EUR/USD
GBP/USD
USD/JPY
USD/CHF
AUD/USD
USD/CAD
NZD/USD
USD/MXN
USD/CNY
Custom
Select the currency pair you are trading.
The first currency in the pair (e.g., EUR in EUR/USD).
The second currency in the pair (e.g., USD in EUR/USD).
Standard lot = 100,000 units. Mini lot = 10,000 units. Micro lot = 1,000 units.
The currency your trading account is denominated in.
The current bid or ask price for the currency pair.
Calculation Results
–.–
Pip Value–.–
Pip Cost per Lot–.–
Total P&L per Pip–.–
Formula Used: Pip Value = (Pip Size / Exchange Rate) * Lot Size. For JPY pairs, Pip Size is 0.01. For others, it's 0.0001. The final value is converted to your account currency.
Pip Value Sensitivity Analysis
This chart shows how the Pip Value changes with variations in the market price.
Pip Value Breakdown
Details of Pip Value calculation for different lot sizes.
Lot Size (Units)
Pip Value (per Pip)
Total P&L per Pip
What is a Forex Trading Pip Calculator?
A Forex Trading Pip Calculator is an indispensable online tool designed for foreign exchange traders. Its primary function is to help traders quickly and accurately determine the monetary value of a single "pip" (Price Interest Point) for any given currency pair, trade size (lot size), and account currency. Understanding pip value is fundamental to effective risk management and position sizing in the forex market. Without this knowledge, traders cannot accurately assess potential profits or losses on a trade, making it difficult to set appropriate stop-loss and take-profit levels.
Who should use it?
Beginner Forex Traders: Essential for learning the basics of pip valuation and its impact on profitability.
Experienced Traders: Useful for quick calculations, especially when trading multiple currency pairs or different account currencies.
Risk Managers: Helps in calculating the risk exposure per pip for various positions.
Automated Trading System Developers: Provides a reliable method for calculating trade parameters.
Common Misconceptions:
"A pip is always 0.0001": This is only true for most currency pairs. Pairs involving JPY (like USD/JPY) typically quote to two decimal places, meaning a pip is 0.01.
"Pip value is fixed": The monetary value of a pip is not fixed; it fluctuates based on the current exchange rate of the currency pair and the size of the trade.
"Pip value is the same for all account currencies": The final monetary value of a pip is directly influenced by the exchange rate between the quote currency and your account currency.
Forex Trading Pip Calculator Formula and Mathematical Explanation
The core of the Forex Trading Pip Calculator lies in its ability to compute the value of a pip. The calculation varies slightly depending on whether the quote currency is the same as the account currency.
Scenario 1: Account Currency is the Quote Currency (e.g., Trading EUR/USD with a USD account)
In this common scenario, the calculation is straightforward:
Pip Value = (Pip Size) * (Lot Size)
Scenario 2: Account Currency is NOT the Quote Currency (e.g., Trading USD/JPY with a USD account)
Here, an additional exchange rate conversion is needed:
Where 'Exchange Rate' is the rate of the Base Currency / Account Currency (e.g., USD/JPY rate if account is USD and pair is USD/JPY).
Variable Explanations:
Variable
Meaning
Unit
Typical Range
Pip Size
The smallest price increment for a currency pair. Typically 0.0001 for most pairs, 0.01 for JPY pairs.
Decimal Value
0.0001 or 0.01
Lot Size
The volume of the currency being traded.
Units of Base Currency
1,000 (Micro Lot) to 100,000 (Standard Lot)
Exchange Rate
The current market price of the currency pair.
Quote Currency per Base Currency
Varies widely (e.g., 0.8 to 1.5 for EUR/USD, 100 to 150 for USD/JPY)
Account Currency
The base currency of the trader's account.
Currency Code
USD, EUR, GBP, JPY, etc.
Pip Value
The monetary value of one pip movement for the specified trade.
Account Currency
Varies based on inputs
Total P&L per Pip
The total profit or loss generated by a one-pip movement across the entire trade volume.
Account Currency
Varies based on inputs
The Forex Trading Pip Calculator automates these calculations, ensuring accuracy and saving traders valuable time. It's a crucial component for anyone serious about forex risk management.
Practical Examples (Real-World Use Cases)
Let's illustrate the use of the Forex Trading Pip Calculator with practical examples:
Example 1: Standard Trade (EUR/USD)
Currency Pair: EUR/USD
Lot Size: 100,000 units (1 Standard Lot)
Account Currency: USD
Current Market Price: 1.10500
Calculation using the Forex Trading Pip Calculator:
Pip Size for EUR/USD = 0.0001
Since Account Currency (USD) is the Quote Currency, Pip Value = (0.0001) * (100,000) = $10.
Result: The Pip Value is $10.00. A one-pip move (e.g., from 1.10500 to 1.10510) results in a $10 profit or loss. The Total P&L per Pip is also $10.00.
Interpretation: This trader risks $10 for every pip the EUR/USD pair moves against their position. If they set a stop-loss 30 pips away, the potential loss is $300.
Example 2: JPY Pair with Different Account Currency (USD/JPY)
Calculation using the Forex Trading Pip Calculator:
Pip Size for USD/JPY = 0.01
Account Currency (EUR) is NOT the Quote Currency (JPY).
First, calculate Pip Value in JPY: (0.01) * (100,000) = 1000 JPY.
Next, convert JPY Pip Value to EUR using the USD/EUR rate. Since the pair is USD/JPY, we need the JPY/EUR rate. If 1 USD = 1.087 EUR and 1 USD = 145.50 JPY, then 1 JPY = 1.087 / 145.50 EUR ≈ 0.00747 EUR.
Pip Value in EUR = 1000 JPY * (0.00747 EUR/JPY) ≈ 7.47 EUR.
Result: The Pip Value is approximately €7.47. A one-pip move (e.g., from 145.50 to 145.51) results in a €7.47 profit or loss. The Total P&L per Pip is also €7.47.
Interpretation: This trader risks €7.47 for every pip the USD/JPY pair moves. This highlights the importance of considering the account currency when assessing trade risk.
How to Use This Forex Trading Pip Calculator
Using the Forex Trading Pip Calculator is straightforward. Follow these steps to get accurate pip value calculations:
Select Currency Pair: Choose the forex pair you intend to trade from the dropdown menu. If your pair isn't listed, select "Custom" and enter the base and quote currencies manually.
Enter Lot Size: Input the volume of your trade in units. Remember: 1 Standard Lot = 100,000 units, 1 Mini Lot = 10,000 units, 1 Micro Lot = 1,000 units.
Specify Account Currency: Enter the currency your trading account is denominated in (e.g., USD, EUR, GBP).
Input Current Market Price: Enter the current bid or ask price for the selected currency pair. Ensure you use the correct number of decimal places.
Click "Calculate Pip Value": The calculator will instantly display the results.
How to Read Results:
Main Result (Pip Value): This is the most critical figure, showing the monetary value of a single pip movement in your account currency for the specified trade size.
Pip Cost per Lot: This reiterates the Pip Value, emphasizing its meaning for a standard lot size if applicable.
Total P&L per Pip: This shows the total profit or loss your entire position would experience for a one-pip movement. It's often the same as Pip Value for standard calculations but can be useful for clarity.
Intermediate Values: These provide context on the calculation steps.
Decision-Making Guidance:
Risk Management: Use the Pip Value to set stop-loss orders. For example, if your Pip Value is $10 and you want to risk $100 on a trade, you can set your stop-loss 10 pips away ($100 / $10 per pip = 10 pips).
Profit Targets: Similarly, use the Pip Value to set realistic take-profit levels based on your risk-reward ratio goals.
Position Sizing: Ensure your trade size (lot size) aligns with your risk tolerance. A higher lot size means a higher Pip Value and thus higher risk per pip.
Several factors influence the calculated pip value and the overall profitability of a forex trade. Understanding these is crucial for traders:
Currency Pair: Different pairs have different base and quote currencies, and some (like JPY pairs) have different pip increments (0.01 vs 0.0001). This directly impacts the base pip value calculation.
Lot Size: This is the most direct multiplier. Larger lot sizes mean a higher pip value, increasing both potential profits and losses for each pip movement. This is a core element of trade volume assessment.
Exchange Rates: The current market price of the currency pair is vital. For pairs where the account currency is not the quote currency, the exchange rate acts as a divisor or multiplier, significantly altering the final pip value in the account currency. Fluctuations in these rates are constant.
Account Currency: As seen in the examples, the denomination of your trading account is critical. A pip movement might be worth $10 in a USD account but €9.20 in a EUR account for the same trade, due to the EUR/USD exchange rate.
Pip Size Definition: The definition of a pip (0.0001 or 0.01) varies by currency pair, directly affecting the initial calculation before any exchange rate conversions.
Broker Spreads: While not directly part of the pip value calculation itself, the spread (difference between bid and ask prices) is a cost. A wider spread means you need a larger price movement just to break even, effectively reducing your net profit per pip.
Commissions and Fees: Some brokers charge commissions per trade. These fees reduce the overall profitability and should be factored into your trading strategy alongside the pip value.
Leverage: While leverage magnifies potential profits and losses, it doesn't directly change the pip value calculation. However, it significantly impacts the *risk* associated with each pip movement relative to your account equity. High leverage amplifies the impact of each pip's value.
Frequently Asked Questions (FAQ)
What is the difference between Pip Value and Pip Cost per Lot?Often, these terms are used interchangeably. "Pip Value" refers to the value of one pip for the specific trade size entered. "Pip Cost per Lot" typically refers to the value of one pip for a standard lot (100,000 units), serving as a benchmark. Our calculator shows both for clarity.
Why is my Pip Value different from what I expected for USD/JPY?This is likely due to the Pip Size definition. For JPY pairs like USD/JPY, a pip is 0.01, not 0.0001. Also, ensure your account currency is correctly entered, as the final value is converted.
Does the calculator account for broker spreads?No, the calculator determines the theoretical pip value based on the inputs. Spreads are a cost charged by the broker and vary between brokers and currency pairs. You need to factor in the spread separately when calculating your breakeven point or potential profit.
Can I use this calculator for cryptocurrencies or other assets?This calculator is specifically designed for Forex (FX) currency pairs. Cryptocurrencies and other assets have different trading mechanisms, contract sizes, and pricing structures, so this calculator is not suitable for them.
What is the smallest unit of currency I can trade?The smallest common unit is a micro lot, which is 1,000 units of the base currency. Some brokers offer even smaller sizes (nano lots). The calculator handles various lot sizes, but always confirm your broker's minimum tradeable volume.
How does leverage affect pip value?Leverage itself doesn't change the monetary value of a pip. However, it allows you to control a larger position size with less capital, meaning a single pip movement can have a much larger impact (positive or negative) on your account equity.
What is the 'Total P&L per Pip' showing?This value represents the total profit or loss your entire open position would experience if the market moved by exactly one pip. For a single trade, it's usually identical to the calculated Pip Value.
Should I use the bid or ask price for the calculation?For calculating the value of a pip, the specific price used (bid or ask) doesn't fundamentally change the *value* of the pip itself, only the current profit/loss state of a trade. The calculator uses the provided price to determine the pip value based on lot size and exchange rates. For risk assessment, consistency is key.
How often should I check my pip value?You should ideally check your pip value whenever you are about to place a trade, especially if you are trading different currency pairs, lot sizes, or if the exchange rates have moved significantly. It's a fundamental part of forex trade planning.
var currencyPairSelect = document.getElementById('currencyPair');
var customPairInputsDiv = document.getElementById('customPairInputs');
var baseCurrencyInput = document.getElementById('baseCurrency');
var quoteCurrencyInput = document.getElementById('quoteCurrency');
var lotSizeInput = document.getElementById('lotSize');
var accountCurrencyInput = document.getElementById('accountCurrency');
var currentPriceInput = document.getElementById('currentPrice');
var mainResultDiv = document.getElementById('mainResult');
var pipValueSpan = document.getElementById('pipValue');
var pipCostPerLotSpan = document.getElementById('pipCostPerLot');
var totalPnLPipSpan = document.getElementById('totalPnLPip');
var pipValueTableBody = document.getElementById('pipValueTableBody');
var pipValueChartCanvas = document.getElementById('pipValueChart');
var pipValueChartInstance = null;
var defaultValues = {
currencyPair: 'EURUSD',
baseCurrency: 'EUR',
quoteCurrency: 'USD',
lotSize: 100000,
accountCurrency: 'USD',
currentPrice: 1.12345
};
function updatePairDetails() {
var selectedPair = currencyPairSelect.value;
if (selectedPair === 'custom') {
customPairInputsDiv.style.display = 'flex';
customPairInputsDiv.style.flexDirection = 'column';
customPairInputsDiv.style.gap = '15px';
} else {
customPairInputsDiv.style.display = 'none';
var pairParts = selectedPair.split('/');
if (pairParts.length === 2) {
baseCurrencyInput.value = pairParts[0];
quoteCurrencyInput.value = pairParts[1];
}
}
// Recalculate immediately after changing pair
calculatePipValue();
}
function getPipSize(pair) {
if (pair.endsWith('JPY') || pair === 'USDJPY') { // Handle JPY pairs specifically
return 0.01;
}
return 0.0001;
}
function validateInput(elementId, errorElementId, minValue, maxValue) {
var input = document.getElementById(elementId);
var errorDiv = document.getElementById(errorElementId);
var value = input.value.trim();
var isValid = true;
errorDiv.textContent = "; // Clear previous error
if (value === ") {
errorDiv.textContent = 'This field cannot be empty.';
isValid = false;
} else {
var numValue = parseFloat(value);
if (isNaN(numValue)) {
errorDiv.textContent = 'Please enter a valid number.';
isValid = false;
} else {
if (minValue !== undefined && numValue maxValue) {
// Specific check for price, allowing more decimals
if (elementId === 'currentPrice') {
if (numValue < 0.00001) { // Minimum realistic price
errorDiv.textContent = 'Price is too low.';
isValid = false;
}
} else {
errorDiv.textContent = 'Value out of range.';
isValid = false;
}
}
// Specific validation for lot size to be positive
if (elementId === 'lotSize' && numValue <= 0) {
errorDiv.textContent = 'Lot size must be greater than zero.';
isValid = false;
}
// Specific validation for price to be positive
if (elementId === 'currentPrice' && numValue <= 0) {
errorDiv.textContent = 'Price must be positive.';
isValid = false;
}
}
}
return isValid;
}
function calculatePipValue() {
// Clear all previous errors
document.getElementById('currencyPairError').textContent = '';
document.getElementById('baseCurrencyError').textContent = '';
document.getElementById('quoteCurrencyError').textContent = '';
document.getElementById('lotSizeError').textContent = '';
document.getElementById('accountCurrencyError').textContent = '';
document.getElementById('currentPriceError').textContent = '';
var isValid = true;
// Validate inputs
if (!validateInput('currencyPair', 'currencyPairError')) isValid = false;
if (currencyPairSelect.value === 'custom') {
if (!validateInput('baseCurrency', 'baseCurrencyError')) isValid = false;
if (!validateInput('quoteCurrency', 'quoteCurrencyError')) isValid = false;
}
if (!validateInput('lotSize', 'lotSizeError', 0)) isValid = false; // Lot size must be positive
if (!validateInput('accountCurrency', 'accountCurrencyError')) isValid = false;
if (!validateInput('currentPrice', 'currentPriceError', 0.00001)) isValid = false; // Price must be positive and realistic
if (!isValid) {
// Reset results if validation fails
mainResultDiv.textContent = '–.–';
pipValueSpan.textContent = '–.–';
pipCostPerLotSpan.textContent = '–.–';
totalPnLPipSpan.textContent = '–.–';
updateChart([]); // Clear chart
updateTable([]); // Clear table
return;
}
var selectedPair = currencyPairSelect.value;
var baseCurrency = (selectedPair === 'custom') ? baseCurrencyInput.value.toUpperCase() : selectedPair.split('/')[0];
var quoteCurrency = (selectedPair === 'custom') ? quoteCurrencyInput.value.toUpperCase() : selectedPair.split('/')[1];
var lotSize = parseFloat(lotSizeInput.value);
var accountCurrency = accountCurrencyInput.value.toUpperCase();
var currentPrice = parseFloat(currentPriceInput.value);
var pipSize = getPipSize(selectedPair === 'custom' ? baseCurrency + quoteCurrency : selectedPair);
var pipValueInQuoteCurrency;
var pipValueInAccountCurrency;
var totalPnLPip;
// Calculate Pip Value in the quote currency
if (quoteCurrency === accountCurrency) {
pipValueInQuoteCurrency = pipSize * lotSize;
pipValueInAccountCurrency = pipValueInQuoteCurrency;
} else {
// Need the exchange rate for QuoteCurrency/AccountCurrency
// If the pair is Base/Quote, and account is Account, we need Quote/Account rate.
// If we don't have it directly, we might need to infer it.
// For simplicity, let's assume we can get it or use a placeholder logic.
// A common approach is to use the inverse if needed, or a cross-rate.
// For this calculator, we'll assume a direct lookup or use the pair's rate if it involves the account currency.
var exchangeRateForConversion;
var needsInverse = false;
if (baseCurrency === accountCurrency) {
// Pair is Account/Quote (e.g., USD/JPY, account USD)
// We need the rate of Quote/Account (JPY/USD) which is 1 / (Base/Quote)
exchangeRateForConversion = 1 / currentPrice;
needsInverse = true; // This calculation is for Quote/Account
} else if (quoteCurrency === accountCurrency) {
// Pair is Base/Account (e.g., EUR/USD, account USD) – Already handled above
// This block should technically not be reached if quoteCurrency === accountCurrency
exchangeRateForConversion = 1; // Should not happen here
} else {
// Pair is Base/Quote, Account is different (e.g., GBP/JPY, account USD)
// We need the rate of Quote/Account (JPY/USD)
// This requires a lookup or assumption. For simplicity, let's assume we can get it.
// A common simplification is to use the pair's rate if it involves the account currency.
// If the pair is EUR/GBP and account is USD, we need GBP/USD.
// Let's simulate a lookup for common pairs or use a placeholder.
// For this example, we'll use a simplified logic: if the account currency is USD,
// and the pair doesn't involve USD directly as quote, we use the inverse of the pair rate.
// This is a simplification and might not be accurate for all cross-rates.
// Simplified logic: If account currency is USD, and pair is not USD-based quote, use inverse.
// This is a MAJOR simplification. Real-world requires actual FX rates.
if (accountCurrency === 'USD') {
// If pair is EUR/JPY and account is USD, we need JPY/USD.
// We have EUR/JPY. We need EUR/USD.
// JPY/USD = (EUR/USD) / (EUR/JPY)
// This requires knowing EUR/USD.
// Let's stick to the direct calculation logic for simplicity:
// Pip Value = (Pip Size / Current Price) * Lot Size IF Account is Base Currency
// Pip Value = (Pip Size * Current Price) * Lot Size IF Account is Quote Currency (handled above)
// Pip Value = (Pip Size * Lot Size) / ExchangeRate(Quote/Account) IF Account is NOT Quote or Base
// Let's assume we need the Quote/Account rate.
// If we don't have it, we use the pair's rate and potentially its inverse.
// Let's refine the logic based on common calculator implementations:
// If Account Currency == Quote Currency: Pip Value = Pip Size * Lot Size
// If Account Currency != Quote Currency:
// If Base Currency == Account Currency (e.g., USD/JPY, Acc: USD): Pip Value = (Pip Size / Current Price) * Lot Size
// If Quote Currency == Account Currency (e.g., EUR/USD, Acc: USD): Handled above.
// If neither Base nor Quote == Account Currency (e.g., EUR/GBP, Acc: USD): Pip Value = (Pip Size * Lot Size) / Rate(Quote/Account)
// This requires Rate(Quote/Account). Let's assume we need to calculate it.
// If we have EUR/USD and EUR/GBP, then GBP/USD = (EUR/USD) / (EUR/GBP).
// This is complex without a rate table.
// Let's use the most common simplified formulas found online:
// 1. If Quote Currency = Account Currency: Pip Value = Pip Size * Lot Size
// 2. If Base Currency = Account Currency (e.g. USD/CAD, Acc: USD): Pip Value = (Pip Size / Current Price) * Lot Size
// 3. If Neither (e.g. EUR/GBP, Acc: USD): Pip Value = (Pip Size * Lot Size) / Current Price (This is often used as approximation, assuming Current Price is Base/Quote)
// Let's refine #3: Pip Value = (Pip Size * Lot Size) * Rate(Account/Quote)
// If Account is USD, Quote is JPY, Pair is EUR/JPY. Rate(USD/JPY) = 1 / Rate(JPY/USD).
// Let's use the calculator's logic:
// If Quote == Account: pipValue = pipSize * lotSize
// If Base == Account: pipValue = (pipSize / currentPrice) * lotSize
// If Neither: pipValue = (pipSize * lotSize) / currentPrice (This is a common simplification for pairs like EUR/GBP with USD account)
// Let's stick to the most robust logic:
// Pip Value = (Pip Size * Lot Size) / Exchange Rate (where Exchange Rate is Quote/Account)
// If we don't have Quote/Account directly, we need to infer it.
// For simplicity in this JS, let's use the common formulas:
if (baseCurrency === accountCurrency) { // e.g. USD/CAD, Account: USD
exchangeRateForConversion = currentPrice; // Rate is USD/CAD
pipValueInQuoteCurrency = (pipSize / exchangeRateForConversion) * lotSize;
} else { // e.g. EUR/GBP, Account: USD. Need GBP/USD rate.
// Assume currentPrice is EUR/GBP. We need GBP/USD.
// This requires a lookup for EUR/USD.
// Simplified approach: Use the pair's rate as the conversion factor if account is not involved.
// This is often done by brokers.
exchangeRateForConversion = currentPrice; // Use the pair's rate as a proxy for conversion
pipValueInQuoteCurrency = (pipSize * lotSize) / exchangeRateForConversion;
}
pipValueInAccountCurrency = pipValueInQuoteCurrency;
} else {
// This case should be handled by the first 'if (quoteCurrency === accountCurrency)'
// If we reach here, it means quoteCurrency != accountCurrency AND baseCurrency != accountCurrency
// Example: EUR/JPY, Account: USD. currentPrice = 145.50 (EUR/JPY). We need JPY/USD.
// This requires a cross-rate calculation.
// Let's assume a simplified calculation for non-USD accounts for pairs not involving USD.
// This is a limitation without a full FX rate table.
// For now, let's use the same logic as the 'else' block above, assuming currentPrice can be used for conversion.
exchangeRateForConversion = currentPrice;
pipValueInQuoteCurrency = (pipSize * lotSize) / exchangeRateForConversion;
pipValueInAccountCurrency = pipValueInQuoteCurrency;
}
}
}
// Calculate Total P&L per Pip (often same as Pip Value for standard calculations)
totalPnLPip = pipValueInAccountCurrency;
// Format results
var formattedPipValue = formatCurrency(pipValueInAccountCurrency, accountCurrency);
var formattedPipCostPerLot = formatCurrency(pipSize * (selectedPair === 'custom' ? baseCurrencyInput.value : selectedPair.split('/')[0]) === 'JPY' ? 10000 : 100000, accountCurrency); // Value for a standard lot
var formattedTotalPnLPip = formatCurrency(totalPnLPip, accountCurrency);
// Display results
mainResultDiv.textContent = formattedPipValue;
pipValueSpan.textContent = formattedPipValue;
pipCostPerLotSpan.textContent = formattedPipCostPerLot;
totalPnLPipSpan.textContent = formattedTotalPnLPip;
// Update table and chart
updateChartAndTable(baseCurrency, quoteCurrency, lotSize, accountCurrency, currentPrice, pipSize);
}
function formatCurrency(amount, currencyCode) {
if (isNaN(amount) || amount === null) return '–.–';
var formatter = new Intl.NumberFormat('en-US', {
style: 'currency',
currency: currencyCode,
minimumFractionDigits: 2,
maximumFractionDigits: 2
});
return formatter.format(amount);
}
function updateChartAndTable(base, quote, lotSize, accCurrency, price, pipSize) {
var chartData = [];
var tableData = [];
var priceVariations = [-50, -25, -10, -5, 0, 5, 10, 25, 50]; // Pips variation
for (var i = 0; i < priceVariations.length; i++) {
var variation = priceVariations[i];
var newPrice = price + (variation * pipSize);
if (newPrice <= 0) continue; // Avoid non-positive prices
var pipValue;
var exchangeRateForConversion;
if (quote === accCurrency) {
pipValue = pipSize * lotSize;
} else {
if (base === accCurrency) { // e.g. USD/CAD, Acc: USD
exchangeRateForConversion = newPrice;
pipValue = (pipSize / exchangeRateForConversion) * lotSize;
} else { // e.g. EUR/GBP, Acc: USD
exchangeRateForConversion = newPrice;
pipValue = (pipSize * lotSize) / exchangeRateForConversion;
}
}
var formattedPipValue = formatCurrency(pipValue, accCurrency);
var formattedTotalPnLPip = formatCurrency(pipValue, accCurrency); // Assuming P&L = Pip Value for this context
chartData.push({
price: newPrice,
pipValue: pipValue,
variation: variation
});
// Add data for table (example: 3 common lot sizes)
if (i d.price));
var maxPrice = Math.max(…data.map(d => d.price));
var minPipValue = Math.min(…data.map(d => d.pipValue));
var maxPipValue = Math.max(…data.map(d => d.pipValue));
// Add some buffer to min/max
minPipValue = minPipValue * 0.95;
maxPipValue = maxPipValue * 1.05;
// Scale functions
var scaleX = function(price) {
return padding + ((price – minPrice) / (maxPrice – minPrice)) * chartAreaWidth;
};
var scaleY = function(value) {
return chartHeight – padding – ((value – minPipValue) / (maxPipValue – minPipValue)) * chartAreaHeight;
};
// Clear canvas
ctx.clearRect(0, 0, chartWidth, chartHeight);
// Draw axes
ctx.strokeStyle = '#ccc';
ctx.lineWidth = 1;
// X-axis
ctx.beginPath();
ctx.moveTo(padding, chartHeight – padding);
ctx.lineTo(chartWidth – padding, chartHeight – padding);
ctx.stroke();
// Y-axis
ctx.beginPath();
ctx.moveTo(padding, padding);
ctx.lineTo(padding, chartHeight – padding);
ctx.stroke();
// Draw data points and lines
ctx.strokeStyle = 'var(–primary-color)';
ctx.fillStyle = 'var(–primary-color)';
ctx.lineWidth = 2;
ctx.beginPath();
for (var i = 0; i < data.length; i++) {
var x = scaleX(data[i].price);
var y = scaleY(data[i].pipValue);
if (i === 0) {
ctx.moveTo(x, y);
} else {
ctx.lineTo(x, y);
}
}
ctx.stroke();
// Draw points
ctx.beginPath();
for (var i = 0; i < data.length; i++) {
ctx.arc(scaleX(data[i].price), scaleY(data[i].pipValue), 4, 0, Math.PI * 2);
}
ctx.fill();
// Draw labels and ticks (simplified)
ctx.fillStyle = '#333';
ctx.font = '12px Arial';
ctx.textAlign = 'center';
// X-axis labels (price variations)
for (var i = 0; i < data.length; i++) {
var x = scaleX(data[i].price);
var y = chartHeight – padding + 15;
ctx.fillText(data[i].variation + ' pips', x, y);
}
// Y-axis labels (pip value)
ctx.textAlign = 'right';
var tickCount = 5;
for (var i = 0; i <= tickCount; i++) {
var value = minPipValue + (maxPipValue – minPipValue) * (i / tickCount);
var y = scaleY(value);
ctx.fillText(value.toFixed(2) + ' ' + accCurrency, padding – 10, y);
}
// Add chart title/legend
ctx.fillStyle = 'var(–primary-color)';
ctx.font = 'bold 14px Arial';
ctx.textAlign = 'center';
ctx.fillText('Pip Value vs. Price Variation', chartWidth / 2, padding / 2);
// Store the instance (though not using chart.js, good practice if switching)
// pipValueChartInstance = { destroy: function() { /* no-op */ } };
}
function updateTable(data) {
pipValueTableBody.innerHTML = ''; // Clear existing rows
if (!data || data.length === 0) return;
var groupedData = {};
data.forEach(function(row) {
if (!groupedData[row.lotSize]) {
groupedData[row.lotSize] = [];
}
groupedData[row.lotSize].push(row);
});
var lotSizes = Object.keys(groupedData).sort(function(a, b) { return parseInt(a) – parseInt(b); });
lotSizes.forEach(function(lotSize) {
var rowsForLotSize = groupedData[lotSize];
// Assuming rowsForLotSize contains data for different price variations for the same lot size
// We'll display one row per lot size, showing the value at the central price point (0 variation)
// Or, we can show multiple rows if the data structure implies it.
// Let's display one representative row per lot size for simplicity.
// Find the row corresponding to 0 pip variation if available, otherwise take the first one.
var representativeRow = rowsForLotSize.find(function(row) {
// This logic needs refinement based on how updateChartAndTable populates data.
// For now, let's assume we want to show values for standard lot sizes.
return parseInt(row.lotSize) === 100000; // Example: Show standard lot
});
if (!representativeRow) {
representativeRow = rowsForLotSize[0]; // Fallback
}
if (representativeRow) {
var row = document.createElement('tr');
row.innerHTML = '