Futures Risk Calculator

Futures Risk Calculator: Assess Your Trading Exposure :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 2px 5px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; padding-top: 20px; padding-bottom: 40px; } .container { width: 100%; max-width: 960px; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); margin: 0 auto; display: flex; flex-direction: column; align-items: center; } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 20px; } h1 { font-size: 2.2em; margin-bottom: 30px; } h2 { font-size: 1.8em; margin-top: 40px; border-bottom: 2px solid var(–primary-color); padding-bottom: 10px; } h3 { font-size: 1.4em; margin-top: 30px; } .loan-calc-container { width: 100%; background-color: var(–card-background); padding: 25px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; } .input-group { margin-bottom: 20px; width: 100%; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: var(–primary-color); } .input-group input[type="number"], .input-group input[type="text"], .input-group select { width: calc(100% – 22px); padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1em; box-sizing: border-box; } .input-group input[type="number"]:focus, .input-group input[type="text"]:focus, .input-group select:focus { outline: none; border-color: var(–primary-color); box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; display: block; } .error-message { color: red; font-size: 0.8em; margin-top: 5px; display: none; /* Hidden by default */ height: 1.2em; /* Reserve space */ } .error-message.visible { display: block; } .button-group { display: flex; justify-content: space-between; margin-top: 25px; gap: 10px; } button { padding: 12px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1em; font-weight: bold; transition: background-color 0.3s ease; } .btn-calculate { background-color: var(–primary-color); color: white; flex-grow: 1; } .btn-calculate:hover { background-color: #003366; } .btn-reset { background-color: #6c757d; color: white; } .btn-reset:hover { background-color: #5a6268; } .btn-copy { background-color: #ffc107; color: #212529; } .btn-copy:hover { background-color: #e0a800; } #results-container { width: 100%; margin-top: 30px; padding: 25px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); text-align: center; } #results-container h3 { margin-top: 0; color: var(–primary-color); } .primary-result { font-size: 2.5em; font-weight: bold; color: var(–success-color); margin: 15px 0; padding: 15px; background-color: #e8f5e9; border-radius: 5px; display: inline-block; min-width: 200px; } .intermediate-results { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-top: 25px; padding-top: 20px; border-top: 1px solid var(–border-color); } .intermediate-results div { text-align: center; padding: 10px 15px; background-color: var(–background-color); border-radius: 5px; min-width: 150px; } .intermediate-results span { display: block; font-size: 1.8em; font-weight: bold; color: var(–primary-color); } .intermediate-results p { margin: 5px 0 0 0; font-size: 0.9em; color: #555; } .formula-explanation { margin-top: 25px; padding-top: 20px; border-top: 1px solid var(–border-color); font-size: 0.95em; color: #555; text-align: left; } .formula-explanation strong { color: var(–primary-color); } #chart-container { width: 100%; margin-top: 30px; padding: 25px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); text-align: center; } #chart-container h3 { margin-top: 0; } canvas { max-width: 100%; height: auto; } .chart-caption { font-size: 0.9em; color: #666; margin-top: 10px; display: block; } #table-container { width: 100%; margin-top: 30px; padding: 25px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); overflow-x: auto; /* For responsiveness */ } #table-container h3 { margin-top: 0; } table { width: 100%; border-collapse: collapse; margin-top: 15px; } th, td { border: 1px solid var(–border-color); padding: 12px; text-align: right; } th { background-color: var(–primary-color); color: white; font-weight: bold; text-align: center; } td { background-color: var(–card-background); } thead th { background-color: var(–primary-color); } tbody tr:nth-child(even) td { background-color: var(–background-color); } .table-caption { font-size: 0.9em; color: #666; margin-bottom: 10px; display: block; text-align: left; } .article-content { width: 100%; max-width: 960px; margin-top: 40px; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); text-align: left; } .article-content p, .article-content ul, .article-content ol { margin-bottom: 1.5em; font-size: 1.05em; } .article-content ul, .article-content ol { padding-left: 25px; } .article-content li { margin-bottom: 0.8em; } .article-content strong { color: var(–primary-color); } .article-content a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .article-content a:hover { text-decoration: underline; } .faq-item { margin-bottom: 20px; padding: 15px; background-color: var(–background-color); border-radius: 5px; border-left: 4px solid var(–primary-color); } .faq-item strong { display: block; font-size: 1.1em; color: var(–primary-color); margin-bottom: 5px; } .related-tools { margin-top: 30px; padding: 20px; background-color: var(–background-color); border-radius: 5px; } .related-tools ul { list-style: none; padding: 0; } .related-tools li { margin-bottom: 10px; } .related-tools a { font-weight: bold; } .related-tools p { font-size: 0.9em; color: #555; margin-top: 3px; } .highlight { background-color: var(–success-color); color: white; padding: 2px 5px; border-radius: 3px; } .tooltip { position: relative; display: inline-block; cursor: help; border-bottom: 1px dotted var(–primary-color); } .tooltip .tooltiptext { visibility: hidden; width: 220px; background-color: #555; color: #fff; text-align: center; border-radius: 6px; padding: 5px 10px; position: absolute; z-index: 1; bottom: 125%; left: 50%; margin-left: -110px; opacity: 0; transition: opacity 0.3s; font-size: 0.85em; line-height: 1.4; } .tooltip .tooltiptext::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -5px; border-width: 5px; border-style: solid; border-color: #555 transparent transparent transparent; } .tooltip:hover .tooltiptext { visibility: visible; opacity: 1; }

Futures Risk Calculator

Assess and manage your potential financial exposure in futures trading.

Futures Risk Calculator Inputs

The total value of one futures contract (e.g., Price per unit * Contract Multiplier).
The price at which you entered the futures position.
The price at which you plan to exit the position.
The number of contracts you are trading.
The percentage of the contract value required as margin (e.g., 5 for 5%).
The monetary value of a one-tick move for one contract.

Your Trading Risk Analysis

$0.00

Potential P/L

$0.00

Margin Used

$0.00

Risk per Contract

0.00%

Potential ROI

Formula Used:

Potential P/L: (Exit Price – Entry Price) * Contract Multiplier * Position Size * (Tick Value / Tick Size)
(Simplified: If Tick Value is given, it directly represents the value of a tick move. If not, we use the difference in price points multiplied by contract value and position size.)
Margin Used: (Contract Value * Position Size) * (Initial Margin Requirement / 100)
Risk per Contract: Absolute value of (Exit Price – Entry Price) * Contract Multiplier * (Tick Value / Tick Size)
(Simplified: Absolute value of (Exit Price – Entry Price) * Contract Value)
Potential ROI: (Potential P/L / Margin Used) * 100

Note: The calculation for Potential P/L and Risk per Contract assumes a direct price difference. If your contract has a specific multiplier and tick size not directly reflected in the 'Contract Value' input, the calculation might need adjustment. For simplicity, we're using the provided 'Tick Value' to represent the monetary gain/loss per tick. If 'Tick Value' is not provided, we use the price difference directly.

Price Movement vs. Risk

Visualizing potential profit/loss at different exit prices.

Risk Scenario Table

Potential outcomes based on different exit price scenarios.
Scenario Exit Price Potential P/L Margin Used Potential ROI
Break-Even $0.00 $0.00 0.00%
Target Profit $0.00 $0.00 0.00%
Stop Loss $0.00 $0.00 0.00%

What is a Futures Risk Calculator?

A futures risk calculator is an essential online tool designed for traders to quantify and understand the potential financial exposure associated with trading futures contracts. Futures trading involves significant risk due to leverage, and this calculator helps traders estimate potential profits and losses based on various market movements and trade parameters. It's crucial for anyone involved in futures markets, from beginners learning the ropes to experienced traders managing multiple positions.

Who should use it?

  • New Futures Traders: To grasp the impact of leverage and potential volatility on their capital.
  • Active Futures Traders: To quickly assess the risk-reward ratio of new trades and manage existing positions.
  • Risk Managers: To set appropriate stop-loss levels and position sizes.
  • Financial Advisors: To educate clients about the risks inherent in futures trading.

Common Misconceptions:

  • "Futures are only for speculation": While speculation is common, futures are also widely used for hedging by producers and consumers of commodities.
  • "Leverage always means huge profits": Leverage magnifies both gains and losses. Without proper risk management, it can lead to rapid depletion of capital.
  • "The calculator predicts the future": This tool estimates potential outcomes based on predefined inputs; it does not predict market direction or price.
  • "All futures contracts are the same": Contract specifications (multiplier, tick size, margin) vary significantly, impacting risk calculations.

Futures Risk Calculator Formula and Mathematical Explanation

The core of the futures risk calculator lies in its ability to translate market price movements into monetary terms, considering the specific contract's characteristics and the trader's position. The primary goal is to determine the potential profit or loss (P/L) and the capital required (margin).

Key Variables:

Variable Meaning Unit Typical Range
Contract Value The total nominal value of one futures contract. Currency (e.g., USD) Varies widely (e.g., $10,000 – $100,000+)
Entry Price The price at which the trader opened the position. Price per unit (e.g., USD/barrel, USD/point) Market dependent
Exit Price The price at which the trader closes the position (can be a stop-loss, take-profit, or target). Price per unit Market dependent
Position Size The number of futures contracts traded. Contracts 1 or more
Initial Margin Requirement The percentage of the contract value required by the broker to open a position. % 1% – 15% (varies by contract and broker)
Tick Value The monetary value of the smallest possible price movement (tick) for one contract. Currency (e.g., USD) Varies widely (e.g., $1 – $50+)
Tick Size The minimum price increment for a contract. Price unit (e.g., $0.01, $0.25) Contract specific

Core Calculations:

  1. Contract Multiplier (Implicit): Often, the 'Contract Value' is derived from 'Entry Price' * 'Contract Multiplier'. If not directly provided, we infer its effect through the 'Tick Value' and 'Contract Value' inputs. For simplicity in this calculator, we focus on the direct price difference and the provided 'Tick Value'.
  2. Price Difference: `(Exit Price – Entry Price)`
  3. Monetary Move per Contract: `Price Difference * (Tick Value / Tick Size)`
    *If 'Tick Value' is provided directly as the value of a price move (e.g., $10 per $0.01 move), this simplifies. For this calculator, we assume 'Tick Value' represents the monetary gain/loss per unit of price change, or we use the direct price difference if 'Tick Value' is not applicable in a simplified context.*
    Simplified P/L Calculation (using provided inputs): `(Exit Price – Entry Price) * Contract Value / Entry Price * Position Size` (This is a rough approximation if Contract Value is based on price. A more accurate method uses Tick Value).
    More Accurate P/L Calculation (using Tick Value): `(Exit Price – Entry Price) * (Tick Value / Tick Size) * Position Size`
    *For this calculator, we'll use a direct approach: `Potential P/L = (Exit Price – Entry Price) * Contract Value * Position Size` if Tick Value is not directly usable, or `Potential P/L = (Exit Price – Entry Price) * (Tick Value / Tick Size) * Position Size` if Tick Value is provided and applicable.*
    Let's refine for the calculator's inputs: Potential P/L = (Exit Price – Entry Price) * Contract Value * Position Size (This assumes Contract Value represents the value per price point change, which is a simplification. A more precise calculation involves the contract multiplier and tick size.)
    Revised P/L Calculation for Calculator: Let's assume `Contract Value` is the total value of the contract at the entry price. The change in value is proportional to the price change. `Price Change = Exit Price – Entry Price` `Value Change per Contract = Price Change * (Contract Value / Entry Price)` (This assumes linear relationship, which holds for many futures) `Potential P/L = Value Change per Contract * Position Size` *However, the most standard way involves Tick Value:* Potential P/L = (Exit Price – Entry Price) * (Tick Value / Tick Size) * Position Size *If Tick Size is not provided, and Contract Value is given, we can approximate:* Potential P/L = (Exit Price – Entry Price) * Contract Value * Position Size (This is a simplification, assuming Contract Value scales directly with price). *Let's use the most common approach with Tick Value:* Potential P/L = (Exit Price – Entry Price) * (Tick Value / Tick Size) * Position Size *If Tick Value is given, and Tick Size is implicitly 1 unit of price change:* Potential P/L = (Exit Price – Entry Price) * Tick Value * Position Size *Let's use this for the calculator's logic.*
  4. Margin Used: `(Contract Value * Position Size) * (Initial Margin Requirement / 100)`
  5. Risk per Contract: `ABS(Exit Price – Entry Price) * Tick Value` (This represents the potential loss on a single contract if the stop-loss is hit).
  6. Potential ROI: `(Potential P/L / Margin Used) * 100`

The futures risk calculator simplifies these by using the provided inputs. The primary result often focuses on the Potential P/L, while intermediate values highlight Margin Used, Risk per Contract, and Potential ROI.

Practical Examples (Real-World Use Cases)

Understanding the futures risk calculator is best done through practical scenarios:

Example 1: Trading Crude Oil Futures

A trader believes the price of Crude Oil (CL) will rise. They decide to buy one contract.

  • Contract Value: $1,000 per barrel (This is a simplified representation; actual CL contract value is $1,000 * Price)
  • Entry Price: $75.00 per barrel
  • Exit Price (Take Profit): $78.00 per barrel
  • Position Size: 1 contract
  • Initial Margin Requirement: 10%
  • Tick Value: $10 (for a $0.01 price move)
  • Tick Size: $0.01

Using the Calculator:

  • Potential P/L: ($78.00 – $75.00) * ($10 / $0.01) * 1 = $3.00 * 1000 * 1 = $3,000
  • Margin Used: ($1,000 * 1) * (10 / 100) = $1,000 * 0.10 = $100 (Note: Actual margin for CL is higher, this is illustrative)
  • Risk per Contract: ABS($78.00 – $75.00) * ($10 / $0.01) = $3.00 * 1000 = $3,000 (This is the profit potential, risk is usually defined by stop loss)
  • Let's assume a Stop Loss Exit Price of $74.00:
  • Potential Loss (Stop Loss): ($74.00 – $75.00) * ($10 / $0.01) * 1 = -$1.00 * 1000 * 1 = -$1,000
  • Risk per Contract (Stop Loss): ABS($74.00 – $75.00) * ($10 / $0.01) = $1.00 * 1000 = $1,000
  • Potential ROI (Take Profit): ($3,000 / $100) * 100 = 3000%

Interpretation: The trader risks $1,000 to potentially make $3,000. The required margin is $100. This highlights the high leverage in futures trading.

Example 2: Trading E-mini S&P 500 Futures

A trader anticipates a market downturn and decides to sell one E-mini S&P 500 (ES) contract.

  • Contract Value: $50 per index point
  • Entry Price: 4500.00 points
  • Exit Price (Stop Loss): 4525.00 points
  • Position Size: 1 contract
  • Initial Margin Requirement: 5%
  • Tick Value: $12.50 (for a 0.25 point move)
  • Tick Size: 0.25

Using the Calculator:

  • Potential Loss (Stop Loss): ($4525.00 – $4500.00) * ($12.50 / 0.25) * 1 = $25.00 * 50 * 1 = $1,250
  • Margin Used: ($50 * 4500) * (5 / 100) = $225,000 * 0.05 = $11,250
  • Risk per Contract (Stop Loss): ABS($4525.00 – $4500.00) * ($12.50 / 0.25) = $25.00 * 50 = $1,250
  • Let's assume a Take Profit Exit Price of 4475.00:
  • Potential Profit (Take Profit): ($4475.00 – $4500.00) * ($12.50 / 0.25) * 1 = -$25.00 * 50 * 1 = -$1,250 (This is a loss because the trader sold, so a lower price is profit)
  • Corrected Potential Profit (Take Profit): ($4500.00 – $4475.00) * ($12.50 / 0.25) * 1 = $25.00 * 50 * 1 = $1,250
  • Potential ROI (Take Profit): ($1,250 / $11,250) * 100 = 11.11%

Interpretation: The trader risks $1,250 to potentially make $1,250. The required margin is $11,250. This demonstrates a 1:1 risk-reward ratio in this scenario.

How to Use This Futures Risk Calculator

Our futures risk calculator is designed for simplicity and clarity. Follow these steps to effectively assess your trading risk:

  1. Input Contract Details: Enter the 'Contract Value' (total value of one contract), 'Entry Price', and 'Tick Value' (monetary value of a minimum price move).
  2. Specify Trade Parameters: Input your 'Position Size' (number of contracts) and the 'Initial Margin Requirement' percentage provided by your broker.
  3. Set Exit Strategy: Enter your planned 'Exit Price'. This could be a target profit level or a predetermined stop-loss level.
  4. Calculate: Click the "Calculate Risk" button.

How to Read Results:

  • Primary Result (Potential P/L): This shows the estimated profit or loss in currency terms if the market moves from your entry price to your specified exit price. A positive number indicates profit, a negative number indicates loss.
  • Intermediate Values:
    • Margin Used: The amount of capital required from your account to open and maintain this position.
    • Risk per Contract: The potential loss on a single contract if the price moves against you to a specific point (often related to the stop-loss).
    • Potential ROI: The percentage return on the margin used, based on the potential profit or loss.
  • Chart and Table: Visualize potential outcomes across different price points and review specific scenarios like break-even, target profit, and stop-loss levels.

Decision-Making Guidance:

Use the results to:

  • Evaluate Risk-Reward Ratio: Compare the potential profit against the potential loss (derived from your stop-loss). Aim for ratios that favor potential gains (e.g., 2:1 or higher).
  • Determine Position Sizing: Ensure the calculated risk (potential loss) is a small, acceptable percentage of your total trading capital (e.g., 1-2%). Adjust 'Position Size' accordingly.
  • Confirm Margin Adequacy: Verify that you have sufficient funds in your account to meet the 'Margin Used' requirement and potential margin calls.
  • Validate Stop-Loss Placement: Ensure your stop-loss level is set at a price that limits your loss to an acceptable amount, considering the 'Tick Value' and 'Position Size'.

Key Factors That Affect Futures Risk Calculator Results

Several factors influence the outcomes generated by a futures risk calculator. Understanding these is key to interpreting the results accurately:

  1. Volatility: Higher market volatility means prices can move more drastically. This increases the potential for both larger profits and larger losses, significantly impacting the P/L and ROI calculations. A volatile market requires wider stop-losses, potentially increasing the risk per trade.
  2. Leverage: Futures are highly leveraged instruments. The 'Initial Margin Requirement' is typically a small fraction of the total contract value. While leverage magnifies potential returns (high ROI), it equally magnifies potential losses, making accurate risk assessment critical.
  3. Contract Multiplier & Tick Size: These define the precise monetary value of price movements. A larger multiplier or smaller tick size means each price point change has a greater financial impact, directly affecting the P/L and risk calculations. Our calculator uses 'Tick Value' to simplify this.
  4. Position Sizing: Trading more contracts increases the overall exposure. A small price move can result in a substantial P/L with a large position size. Proper sizing ensures that the risk per trade remains within acceptable limits relative to total capital.
  5. Market Liquidity: Highly liquid markets generally have tighter bid-ask spreads and smaller slippage. In illiquid markets, your actual entry or exit price might differ significantly from your intended price, impacting the realized P/L and potentially widening the gap between calculated risk and actual risk.
  6. Broker Fees and Commissions: While not always included in basic calculators, trading costs (commissions, exchange fees, financing costs for overnight positions) reduce net profit and increase the effective cost of a trade. These need to be factored into a comprehensive risk assessment.
  7. Economic Events & News: Unexpected news or economic data releases can cause sudden, sharp price movements, potentially triggering stop-losses prematurely or leading to significant losses if positions are unhedged. This introduces an element of unpredictable risk.
  8. Margin Calls: If the market moves significantly against your position, your initial margin may not be sufficient. Brokers issue margin calls, requiring you to deposit additional funds or liquidate the position at a loss. The calculator helps estimate potential P/L but doesn't predict margin call levels directly.

Frequently Asked Questions (FAQ)

Q1: What is the difference between margin and the total contract value?

The total contract value is the full worth of the asset being traded (e.g., 1000 barrels of oil * $75/barrel = $75,000). Margin is the smaller amount of money (e.g., 5-10% of the contract value) required by the broker to open and maintain the position, thanks to leverage.

Q2: How does leverage affect my risk?

Leverage magnifies both potential profits and potential losses. A small price movement can result in a large percentage gain or loss relative to the margin used. This increases the risk of substantial capital loss.

Q3: Can this calculator predict my exact profit or loss?

No. The calculator estimates potential P/L based on your inputs and a specific price movement. Actual results can differ due to factors like slippage, changing market conditions, and the exact execution price.

Q4: What is a 'Tick Value' and why is it important?

Tick Value is the monetary worth of the smallest possible price increment (tick) for a futures contract. It's crucial because it directly translates price movements into dollar amounts, forming the basis for P/L calculations.

Q5: How do I determine the right 'Initial Margin Requirement'?

The Initial Margin Requirement is set by the futures exchange and your broker. It varies by contract and can change based on market volatility. Always check with your broker for the current margin requirements for the specific contract you intend to trade.

Q6: Should I always aim for a high ROI?

While a high ROI is attractive, it often comes with higher risk. A balanced approach involves considering the risk-reward ratio. A lower ROI with lower risk might be more sustainable than a high ROI with excessive risk.

Q7: What happens if the market moves beyond my stop-loss price?

If the market gaps past your stop-loss price, your order will execute at the next available price, which could be significantly worse than your intended stop-loss level. This is known as slippage and is a key risk in volatile markets.

Q8: Does the calculator include trading fees?

This basic futures risk calculator typically does not include trading fees (commissions, exchange fees). These costs should be factored in separately when calculating your net profit or loss.

Q9: How does the 'Contract Value' input work if it's price-dependent?

For contracts where the value is price-dependent (e.g., E-mini S&P 500 = $50 * Index Level), the 'Contract Value' input might represent the total contract value at the current market price. The calculation then estimates the change based on the percentage price move or uses the Tick Value for precision.

Related Tools and Internal Resources

var chartInstance = null; // Global variable to hold chart instance function validateInput(value, id, min, max, message) { var errorElement = document.getElementById(id + 'Error'); if (value === "") { errorElement.textContent = "This field cannot be empty."; errorElement.classList.add('visible'); return false; } var numValue = parseFloat(value); if (isNaN(numValue)) { errorElement.textContent = "Please enter a valid number."; errorElement.classList.add('visible'); return false; } if (min !== null && numValue max) { errorElement.textContent = message || `Value cannot exceed ${max}.`; errorElement.classList.add('visible'); return false; } errorElement.textContent = ""; errorElement.classList.remove('visible'); return true; } function calculateRisk() { // Get input values var contractValue = document.getElementById("contractValue").value; var entryPrice = document.getElementById("entryPrice").value; var exitPrice = document.getElementById("exitPrice").value; var positionSize = document.getElementById("positionSize").value; var marginRequirement = document.getElementById("marginRequirement").value; var tickValue = document.getElementById("tickValue").value; // Clear previous errors document.getElementById("contractValueError").classList.remove('visible'); document.getElementById("entryPriceError").classList.remove('visible'); document.getElementById("exitPriceError").classList.remove('visible'); document.getElementById("positionSizeError").classList.remove('visible'); document.getElementById("marginRequirementError").classList.remove('visible'); document.getElementById("tickValueError").classList.remove('visible'); // Validate inputs var isValid = true; if (!validateInput(contractValue, "contractValue", 0, null, "Contract value must be positive.")) isValid = false; if (!validateInput(entryPrice, "entryPrice", 0, null, "Entry price must be positive.")) isValid = false; if (!validateInput(exitPrice, "exitPrice", 0, null, "Exit price must be positive.")) isValid = false; if (!validateInput(positionSize, "positionSize", 1, null, "Position size must be at least 1 contract.")) isValid = false; if (!validateInput(marginRequirement, "marginRequirement", 0.1, 100, "Margin requirement must be between 0.1% and 100%.")) isValid = false; if (!validateInput(tickValue, "tickValue", 0, null, "Tick value must be positive.")) isValid = false; if (!isValid) { // Clear results if validation fails document.getElementById("primaryResult").textContent = "–"; document.getElementById("potentialProfitLoss").textContent = "$0.00"; document.getElementById("marginUsed").textContent = "$0.00"; document.getElementById("riskPerContract").textContent = "$0.00"; document.getElementById("roiPercentage").textContent = "0.00%"; updateTableAndChart([], null); // Clear table and chart return; } // Convert values to numbers var numContractValue = parseFloat(contractValue); var numEntryPrice = parseFloat(entryPrice); var numExitPrice = parseFloat(exitPrice); var numPositionSize = parseInt(positionSize); var numMarginRequirement = parseFloat(marginRequirement); var numTickValue = parseFloat(tickValue); // — Calculations — // Simplified P/L calculation using Tick Value // Assumes Tick Size is 1 unit of price change if not explicitly given, or uses Tick Value directly. // A more robust calculation would require Tick Size. For this calculator, we'll use: // Potential P/L = (Exit Price – Entry Price) * Tick Value * Position Size // This assumes Tick Value is the monetary value per unit price change. var priceDifference = numExitPrice – numEntryPrice; var potentialProfitLoss = priceDifference * numTickValue * numPositionSize; // Margin Used Calculation var totalContractValue = numContractValue * numPositionSize; // Total value of all contracts var marginUsed = totalContractValue * (numMarginRequirement / 100); // Risk per Contract (using the absolute price difference and tick value) var riskPerContract = Math.abs(priceDifference) * numTickValue; // Potential ROI Calculation var roiPercentage = 0; if (marginUsed > 0) { roiPercentage = (potentialProfitLoss / marginUsed) * 100; } // — Display Results — document.getElementById("primaryResult").textContent = "$" + potentialProfitLoss.toFixed(2); document.getElementById("potentialProfitLoss").textContent = "$" + potentialProfitLoss.toFixed(2); document.getElementById("marginUsed").textContent = "$" + marginUsed.toFixed(2); document.getElementById("riskPerContract").textContent = "$" + riskPerContract.toFixed(2); document.getElementById("roiPercentage").textContent = roiPercentage.toFixed(2) + "%"; // — Update Table and Chart — updateTableAndChart( { marginUsed: marginUsed.toFixed(2), entryPrice: numEntryPrice, exitPrice: numExitPrice, tickValue: numTickValue, positionSize: numPositionSize, contractValue: numContractValue }, { potentialProfitLoss: potentialProfitLoss, marginUsed: marginUsed, riskPerContract: riskPerContract, roiPercentage: roiPercentage } ); } function updateTableAndChart(calcData, results) { var beExitPrice = document.getElementById("beExitPrice"); var beMarginUsed = document.getElementById("beMarginUsed"); var tpExitPrice = document.getElementById("tpExitPrice"); var tpProfit = document.getElementById("tpProfit"); var tpMarginUsed = document.getElementById("tpMarginUsed"); var tpRoi = document.getElementById("tpRoi"); var slExitPrice = document.getElementById("slExitPrice"); var slLoss = document.getElementById("slLoss"); var slMarginUsed = document.getElementById("slMarginUsed"); var slRoi = document.getElementById("slRoi"); if (!calcData || !results) { beExitPrice.textContent = "–"; beMarginUsed.textContent = "$0.00"; tpExitPrice.textContent = "–"; tpProfit.textContent = "$0.00"; tpMarginUsed.textContent = "$0.00"; tpRoi.textContent = "0.00%"; slExitPrice.textContent = "–"; slLoss.textContent = "$0.00"; slMarginUsed.textContent = "$0.00"; slRoi.textContent = "0.00%"; clearChart(); return; } var entryPrice = calcData.entryPrice; var tickValue = calcData.tickValue; var positionSize = calcData.positionSize; var marginUsed = parseFloat(calcData.marginUsed); // Already formatted // Break-Even Calculation // For P/L = 0, Exit Price = Entry Price beExitPrice.textContent = entryPrice.toFixed(4); // Assuming price format beMarginUsed.textContent = "$" + marginUsed.toFixed(2); // Target Profit Scenario (e.g., 1x Risk per Contract) var targetProfitValue = results.riskPerContract; // Assuming risk per contract is the target profit var tpExitPriceValue = entryPrice + (targetProfitValue / tickValue / positionSize); tpExitPrice.textContent = tpExitPriceValue.toFixed(4); // Assuming price format tpProfit.textContent = "$" + targetProfitValue.toFixed(2); tpMarginUsed.textContent = "$" + marginUsed.toFixed(2); var tpRoiValue = 0; if (marginUsed > 0) { tpRoiValue = (targetProfitValue / marginUsed) * 100; } tpRoi.textContent = tpRoiValue.toFixed(2) + "%"; // Stop Loss Scenario (e.g., 1x Risk per Contract loss) var stopLossValue = results.riskPerContract; // Assuming risk per contract is the max loss var slExitPriceValue = entryPrice – (stopLossValue / tickValue / positionSize); slExitPrice.textContent = slExitPriceValue.toFixed(4); // Assuming price format slLoss.textContent = "-$" + stopLossValue.toFixed(2); slMarginUsed.textContent = "$" + marginUsed.toFixed(2); var slRoiValue = 0; if (marginUsed > 0) { slRoiValue = (-stopLossValue / marginUsed) * 100; } slRoi.textContent = slRoiValue.toFixed(2) + "%"; // Update Chart updateChart(entryPrice, tpExitPriceValue, slExitPriceValue, results.potentialProfitLoss, -stopLossValue); } function updateChart(entryPrice, targetProfitPrice, stopLossPrice, potentialProfit, potentialLoss) { var ctx = document.getElementById('riskChart').getContext('2d'); // Define price points for the chart var pricePoints = [stopLossPrice, entryPrice, targetProfitPrice]; pricePoints.sort(function(a, b) { return a – b; }); // Ensure prices are sorted // Calculate corresponding P/L values for these price points var profitLossValues = pricePoints.map(function(price) { var priceDiff = price – entryPrice; // Use the same logic as P/L calculation in calculateRisk // Potential P/L = (Exit Price – Entry Price) * Tick Value * Position Size var tickValue = parseFloat(document.getElementById("tickValue").value); var positionSize = parseInt(document.getElementById("positionSize").value); if (isNaN(tickValue) || isNaN(positionSize)) return 0; // Handle invalid inputs return priceDiff * tickValue * positionSize; }); // Ensure the chart data includes the entry point correctly var chartDataPoints = []; var chartLabels = []; // Add stop loss point chartDataPoints.push(potentialLoss); chartLabels.push(stopLossPrice.toFixed(4)); // Add entry point chartDataPoints.push(0); // P/L at entry price is 0 chartLabels.push(entryPrice.toFixed(4)); // Add target profit point chartDataPoints.push(potentialProfit); chartLabels.push(targetProfitPrice.toFixed(4)); // Sort points by price for a clean line chart var combined = []; for (var i = 0; i < chartLabels.length; i++) { combined.push({ label: chartLabels[i], value: chartDataPoints[i], price: parseFloat(chartLabels[i]) }); } combined.sort(function(a, b) { return a.price – b.price; }); var sortedLabels = combined.map(function(item) { return item.label; }); var sortedValues = combined.map(function(item) { return item.value; }); if (chartInstance) { chartInstance.destroy(); } chartInstance = new Chart(ctx, { type: 'line', data: { labels: sortedLabels, datasets: [{ label: 'Potential Profit/Loss ($)', data: sortedValues, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: true, tension: 0.1, pointRadius: 5, pointHoverRadius: 7 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: false, title: { display: true, text: 'Potential Profit / Loss ($)' } }, x: { title: { display: true, text: 'Exit Price' } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += '$' + context.parsed.y.toFixed(2); } return label; } } } } } }); } function clearChart() { var ctx = document.getElementById('riskChart').getContext('2d'); if (chartInstance) { chartInstance.destroy(); chartInstance = null; } // Clear canvas content if needed, though destroy should handle it ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height); } function resetCalculator() { document.getElementById("contractValue").value = ""; document.getElementById("entryPrice").value = ""; document.getElementById("exitPrice").value = ""; document.getElementById("positionSize").value = "1"; document.getElementById("marginRequirement").value = "5"; document.getElementById("tickValue").value = ""; // Clear errors document.getElementById("contractValueError").textContent = ""; document.getElementById("entryPriceError").textContent = ""; document.getElementById("exitPriceError").textContent = ""; document.getElementById("positionSizeError").textContent = ""; document.getElementById("marginRequirementError").textContent = ""; document.getElementById("tickValueError").textContent = ""; // Clear results document.getElementById("primaryResult").textContent = "–"; document.getElementById("potentialProfitLoss").textContent = "$0.00"; document.getElementById("marginUsed").textContent = "$0.00"; document.getElementById("riskPerContract").textContent = "$0.00"; document.getElementById("roiPercentage").textContent = "0.00%"; // Clear table and chart updateTableAndChart([], null); } function copyResults() { var primaryResult = document.getElementById("primaryResult").textContent; var potentialProfitLoss = document.getElementById("potentialProfitLoss").textContent; var marginUsed = document.getElementById("marginUsed").textContent; var riskPerContract = document.getElementById("riskPerContract").textContent; var roiPercentage = document.getElementById("roiPercentage").textContent; var beExitPrice = document.getElementById("beExitPrice").textContent; var beMarginUsed = document.getElementById("beMarginUsed").textContent; var tpExitPrice = document.getElementById("tpExitPrice").textContent; var tpProfit = document.getElementById("tpProfit").textContent; var tpMarginUsed = document.getElementById("tpMarginUsed").textContent; var tpRoi = document.getElementById("tpRoi").textContent; var slExitPrice = document.getElementById("slExitPrice").textContent; var slLoss = document.getElementById("slLoss").textContent; var slMarginUsed = document.getElementById("slMarginUsed").textContent; var slRoi = document.getElementById("slRoi").textContent; var contractValue = document.getElementById("contractValue").value || "N/A"; var entryPrice = document.getElementById("entryPrice").value || "N/A"; var exitPrice = document.getElementById("exitPrice").value || "N/A"; var positionSize = document.getElementById("positionSize").value || "N/A"; var marginRequirement = document.getElementById("marginRequirement").value || "N/A"; var tickValue = document.getElementById("tickValue").value || "N/A"; var resultsText = "— Futures Risk Analysis —\n\n"; resultsText += "Primary Result (Potential P/L): " + primaryResult + "\n"; resultsText += "Potential Profit/Loss: " + potentialProfitLoss + "\n"; resultsText += "Margin Used: " + marginUsed + "\n"; resultsText += "Risk per Contract: " + riskPerContract + "\n"; resultsText += "Potential ROI: " + roiPercentage + "\n\n"; resultsText += "— Key Assumptions —\n"; resultsText += "Contract Value (per unit): " + contractValue + "\n"; resultsText += "Entry Price: " + entryPrice + "\n"; resultsText += "Exit Price (Target/Stop): " + exitPrice + "\n"; resultsText += "Position Size (Contracts): " + positionSize + "\n"; resultsText += "Initial Margin Requirement (%): " + marginRequirement + "\n"; resultsText += "Tick Value: " + tickValue + "\n\n"; resultsText += "— Scenario Table —\n"; resultsText += "Scenario\tExit Price\tPotential P/L\tMargin Used\tPotential ROI\n"; resultsText += "Break-Even\t" + beExitPrice + "\t$0.00\t" + beMarginUsed + "\t0.00%\n"; resultsText += "Target Profit\t" + tpExitPrice + "\t" + tpProfit + "\t" + tpMarginUsed + "\t" + tpRoi + "\n"; resultsText += "Stop Loss\t" + slExitPrice + "\t" + slLoss + "\t" + slMarginUsed + "\t" + slRoi + "\n"; // Use a temporary textarea to copy text var textArea = document.createElement("textarea"); textArea.value = resultsText; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied!' : 'Copy failed!'; alert(msg); // Simple feedback } catch (err) { alert('Copying failed. Please copy manually.'); } document.body.removeChild(textArea); } // Initial calculation on load if inputs have default values document.addEventListener('DOMContentLoaded', function() { // Check if default values exist and calculate var contractValue = document.getElementById("contractValue").value; var entryPrice = document.getElementById("entryPrice").value; var exitPrice = document.getElementById("exitPrice").value; var positionSize = document.getElementById("positionSize").value; var marginRequirement = document.getElementById("marginRequirement").value; var tickValue = document.getElementById("tickValue").value; if (contractValue && entryPrice && exitPrice && positionSize && marginRequirement && tickValue) { calculateRisk(); } else { // Set default values if they are empty and then calculate if (!contractValue) document.getElementById("contractValue").value = "1000"; if (!entryPrice) document.getElementById("entryPrice").value = "1.2500"; if (!exitPrice) document.getElementById("exitPrice").value = "1.2400"; if (!tickValue) document.getElementById("tickValue").value = "10"; calculateRisk(); } }); // Load Chart.js library dynamically if not already present function loadChartJs() { if (typeof Chart === 'undefined') { var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; script.onload = function() { console.log('Chart.js loaded.'); // Trigger initial calculation after Chart.js is loaded calculateRisk(); }; script.onerror = function() { console.error('Failed to load Chart.js.'); }; document.head.appendChild(script); } else { console.log('Chart.js already loaded.'); // Trigger initial calculation if Chart.js is already loaded calculateRisk(); } } // Call loadChartJs when the DOM is ready document.addEventListener('DOMContentLoaded', loadChartJs);

Leave a Comment