If I Had Bought Apple Stock Calculator

If I Had Bought Apple Stock Calculator: See Your Potential Gains :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; } .container { max-width: 1000px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } h1, h2, h3 { color: var(–primary-color); text-align: center; } h1 { margin-bottom: 10px; } .subtitle { text-align: center; color: #666; font-size: 1.1em; margin-bottom: 30px; } .calculator-section { margin-bottom: 40px; padding: 25px; border: 1px solid var(–border-color); border-radius: 8px; background-color: var(–card-background); box-shadow: var(–shadow); } .calculator-section h2 { margin-top: 0; margin-bottom: 20px; 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If I Had Bought Apple Stock Calculator

Discover the potential growth of an Apple (AAPL) investment from a past date to today.

Investment Scenario

Enter the amount you would have invested.
Select the date you would have bought the stock.
Currently set to Apple Inc. (AAPL).

Investment Performance Summary

Key Metrics

Initial Investment:
Value on Purchase Date:
Current Value:
Total Gain:
Total Percentage Gain:

Assumptions

Stock Symbol:
Purchase Date:
Current Date:
Initial Investment:
Formula Used:

The calculator determines the value of your investment by comparing the stock price on your chosen purchase date to its current price. 1. It finds the stock price on the Purchase Date. 2. It calculates the number of shares you could buy with your Initial Investment (Initial Investment / Price on Purchase Date). 3. It determines the Current Value by multiplying the number of shares by the current stock price. 4. Total Gain is Current Value – Initial Investment. 5. Percentage Gain is (Total Gain / Initial Investment) * 100. *Note: This calculation does not account for stock splits, dividends, or trading fees, which can significantly impact actual returns.*

Historical Price Trend (Purchase Date vs. Current Date)
Investment Performance Table
Metric Value
Initial Investment
Value on Purchase Date
Current Value
Total Gain
Percentage Gain
Shares Purchased

What is an "If I Had Bought Apple Stock" Calculator?

An "If I Had Bought Apple Stock" calculator is a specialized financial tool designed to illustrate the potential returns an investor could have achieved by investing a specific amount in Apple Inc. (AAPL) stock on a particular past date. It allows users to input an initial investment amount and a historical purchase date, then projects what that investment would be worth today, based on historical stock price data. This type of calculator is invaluable for understanding the power of long-term investing, the impact of market timing, and the historical performance of one of the world's most prominent technology companies.

Who Should Use It? This calculator is beneficial for:

  • Prospective investors curious about Apple's historical growth.
  • Students learning about stock market performance and compound returns.
  • Financial enthusiasts exploring hypothetical investment scenarios.
  • Anyone interested in visualizing the long-term wealth creation potential of successful stocks.

Common Misconceptions: A frequent misconception is that past performance guarantees future results. While Apple has shown remarkable growth, market conditions change, and future returns are not assured. Another misconception is that this calculator accounts for all real-world trading complexities. It typically simplifies the process by ignoring factors like dividends, stock splits, trading fees, and taxes, which would affect the actual outcome. The "If I Had Bought Apple Stock" calculator is a powerful educational tool, not a prediction engine.

"If I Had Bought Apple Stock" Calculator Formula and Mathematical Explanation

The core of the "If I Had Bought Apple Stock" calculator relies on a straightforward calculation of potential investment growth. It simulates buying shares at a past price and selling them at the current price.

Step-by-Step Derivation:

  1. Determine Shares Purchased: The first step is to calculate how many shares of Apple stock could have been purchased on the specified Purchase Date with the given Initial Investment Amount. This is done by dividing the initial investment by the stock's price on that date.
    Shares Purchased = Initial Investment Amount / Price on Purchase Date
  2. Calculate Current Value: Next, the calculator determines the potential value of these shares on the current date. This is achieved by multiplying the number of shares purchased by the stock's current market price.
    Current Value = Shares Purchased * Current Stock Price
  3. Calculate Total Gain: The total profit or loss from the investment is found by subtracting the initial investment from the calculated current value.
    Total Gain = Current Value - Initial Investment Amount
  4. Calculate Percentage Gain: To express the return as a percentage, the total gain is divided by the initial investment amount and then multiplied by 100.
    Percentage Gain = (Total Gain / Initial Investment Amount) * 100

Variable Explanations:

The calculator uses the following key variables:

Variable Meaning Unit Typical Range
Initial Investment Amount The total sum of money the user hypothetically invested. USD ($) $100 – $1,000,000+
Purchase Date The specific historical date chosen by the user for the hypothetical stock purchase. Date Any past date for which data is available.
Stock Symbol The unique ticker symbol representing the company's stock (AAPL for Apple Inc.). Text AAPL
Price on Purchase Date The closing price (or adjusted closing price) of the stock on the specified purchase date. USD ($) Varies significantly based on date.
Current Stock Price The most recent available closing price (or adjusted closing price) of the stock. USD ($) Varies significantly.
Shares Purchased The calculated number of shares bought with the initial investment at the purchase date price. Shares Fractional to thousands (or more).
Current Value The projected worth of the purchased shares at the current stock price. USD ($) Varies significantly.
Total Gain The absolute difference between the current value and the initial investment. USD ($) Can be positive (gain) or negative (loss).
Percentage Gain The total gain expressed as a percentage of the initial investment. % Can be positive or negative.

*Note: This calculator typically uses adjusted closing prices to account for stock splits and dividends, providing a more accurate representation of historical returns. However, it does not include transaction fees or taxes.*

Practical Examples (Real-World Use Cases)

Let's explore a couple of scenarios using the "If I Had Bought Apple Stock" calculator to illustrate its practical application.

Example 1: Early iPhone Era Investment

Scenario: An investor decides to put $5,000 into Apple stock right after the first iPhone was released, on January 15, 2007.

Inputs:

  • Initial Investment Amount: $5,000
  • Purchase Date: 2007-01-15
  • Stock Symbol: AAPL

Hypothetical Outputs (as of a recent date, e.g., late 2023):

  • Price on Purchase Date (approx.): $11.50 (adjusted)
  • Shares Purchased (approx.): 434.78 shares
  • Current Stock Price (approx.): $175.00
  • Current Value (approx.): $76,086.50
  • Total Gain (approx.): $71,086.50
  • Percentage Gain (approx.): 1421.73%

Financial Interpretation: This example highlights the immense growth potential of investing early in a revolutionary product's company. A modest $5,000 investment could have grown to over $76,000 in roughly 16 years, demonstrating the power of Apple's innovation and market dominance. This underscores the importance of identifying and holding onto successful growth stocks for the long term.

Example 2: Post-Financial Crisis Investment

Scenario: Someone invests $10,000 in Apple stock on March 23, 2009, during the recovery period following the 2008 financial crisis.

Inputs:

  • Initial Investment Amount: $10,000
  • Purchase Date: 2009-03-23
  • Stock Symbol: AAPL

Hypothetical Outputs (as of a recent date, e.g., late 2023):

  • Price on Purchase Date (approx.): $4.50 (adjusted)
  • Shares Purchased (approx.): 2222.22 shares
  • Current Stock Price (approx.): $175.00
  • Current Value (approx.): $388,888.89
  • Total Gain (approx.): $378,888.89
  • Percentage Gain (approx.): 3788.89%

Financial Interpretation: This scenario shows the benefit of investing during market downturns when asset prices are lower. Investing $10,000 at this strategic point could have yielded nearly $380,000 in about 14 years. It emphasizes that market timing, while difficult, can be highly rewarding, and that periods of economic uncertainty can present significant buying opportunities for long-term investors. This also highlights Apple's resilience and continued growth trajectory through various economic cycles.

How to Use This "If I Had Bought Apple Stock" Calculator

Using the "If I Had Bought Apple Stock" calculator is simple and intuitive. Follow these steps to explore potential investment outcomes:

  1. Enter Initial Investment: In the "Initial Investment Amount" field, type the dollar amount you would have hypothetically invested in Apple stock. Use realistic figures based on your financial capacity or curiosity.
  2. Select Purchase Date: Use the "Purchase Date" calendar input to choose the specific historical date you want to simulate buying Apple stock. Ensure the date is in the past.
  3. Verify Stock Symbol: The "Stock Symbol" field is pre-filled with "AAPL" for Apple Inc. and is typically read-only, ensuring accuracy for this specific calculator.
  4. Calculate: Click the "Calculate Potential Gains" button. The calculator will fetch historical stock data (using a placeholder API or static data for demonstration) and compute the results.
  5. Review Results: The results section will update dynamically. You'll see:
    • Primary Highlighted Result: The projected current value of your investment in large, bold font.
    • Key Metrics: Intermediate values like the value on the purchase date, total gain, and percentage gain.
    • Assumptions: A summary of the inputs used for the calculation.
    • Chart: A visual representation of the stock's price trend between your purchase date and the current date.
    • Table: A detailed breakdown of all calculated metrics.
  6. Interpret the Data: Analyze the results to understand the potential growth of your hypothetical investment. Consider the percentage gain as a measure of return on investment.
  7. Copy Results: If you want to save or share the calculated data, click the "Copy Results" button. The key figures and assumptions will be copied to your clipboard.
  8. Reset: To start over with the default values, click the "Reset Defaults" button.

Decision-Making Guidance: While this calculator shows past performance, it can inform future decisions by illustrating the potential impact of long-term investing in strong companies. It helps in setting realistic expectations about potential returns and understanding the benefits of consistent investment strategies. Remember to consult with a financial advisor for personalized investment advice.

Key Factors That Affect "If I Had Bought Apple Stock" Results

While the "If I Had Bought Apple Stock" calculator provides a clear picture based on historical data, several real-world factors significantly influence the actual outcome of such an investment. Understanding these elements is crucial for a comprehensive financial perspective.

  1. Stock Splits: Apple has undergone several stock splits throughout its history (e.g., 7-for-1 in 2014, 4-for-1 in 2020). These events increase the number of shares an investor holds and decrease the price per share proportionally, without changing the total value. Adjusted closing prices used by most calculators account for splits, but it's important to be aware of them. Without adjustment, calculations based on raw prices would be inaccurate.
  2. Dividends: Apple initiated its dividend payments in 1987 but suspended them in 1995. It resumed dividend payments in 2012. Dividends represent a portion of a company's profits distributed to shareholders. If the calculator uses adjusted prices, it implicitly includes the reinvestment of dividends. However, if dividends were taken as cash and not reinvested, the final value would be lower. This calculator typically assumes adjusted prices, which factor in reinvested dividends.
  3. Trading Fees and Commissions: Every stock transaction typically incurs fees or commissions charged by a brokerage. These costs reduce the amount of money available to buy shares and decrease the net profit upon selling. For instance, a $10 commission on a $1,000 investment means only $990 is actually invested, slightly altering the number of shares purchased and subsequent returns. High-frequency trading or frequent rebalancing would amplify the impact of fees.
  4. Taxes: Capital gains (profits from selling stocks) are subject to taxes. The tax rate depends on the investor's location, income level, and how long the stock was held (short-term vs. long-term capital gains). Long-term capital gains typically have preferential tax rates. The "net" return after taxes would be considerably lower than the gross return shown by the calculator.
  5. Inflation: The purchasing power of money decreases over time due to inflation. While the calculator shows the nominal increase in investment value (e.g., $1,000 becomes $10,000), the real return (adjusted for inflation) might be lower. For example, if inflation averaged 3% per year, the real growth of the investment would be the nominal growth minus 3%. This is crucial for understanding the true increase in wealth.
  6. Market Volatility and Risk Tolerance: The calculator presents a smooth growth path based on historical prices. In reality, stock prices fluctuate daily. An investor would have experienced periods of significant gains and potentially sharp declines. The ability to hold onto the investment through these volatile periods (risk tolerance) is critical. Panic selling during downturns can turn a potential long-term winner into a loser.
  7. Opportunity Cost: The money invested in Apple stock could have been invested elsewhere. The calculator doesn't account for the potential returns from alternative investments (e.g., bonds, real estate, other stocks). Choosing Apple means forgoing potential gains from other assets. Evaluating the opportunity cost is essential for holistic investment analysis.

Frequently Asked Questions (FAQ)

Q1: Does this calculator account for stock splits?

A: Most modern "If I Had Bought Apple Stock" calculators use adjusted historical stock prices. Adjusted prices factor in events like stock splits and dividend payouts, providing a more accurate representation of the total return an investor would have received if they had held the stock through these events and reinvested dividends.

Q2: Does the calculator include dividends?

A: Typically, yes, if using adjusted closing prices. Adjusted prices reflect the total return, including the reinvestment of dividends. If the calculator uses raw closing prices, it would not account for dividends. Always check the calculator's methodology or assumptions.

Q3: What about trading fees and taxes?

A: This calculator generally does not include trading fees, commissions, or taxes (capital gains tax). These costs would reduce the actual profit realized from an investment. For a precise calculation, you would need to subtract these expenses from the gross gains.

Q4: Can I use this calculator for other stocks?

A: While this specific calculator is tailored for Apple (AAPL), the underlying principle can be applied to other stocks. A more general "Investment Return Calculator" would allow you to input any stock symbol and fetch its historical data.

Q5: What is the "Current Date" used for calculation?

A: The "Current Date" is typically the most recent date for which reliable stock price data is available. This ensures the calculation reflects the latest possible valuation of the hypothetical investment.

Q6: How accurate is the historical data?

A: Historical stock data is generally very accurate, sourced from reputable financial data providers. However, minor discrepancies can occur due to different data adjustment methodologies (e.g., how exactly splits or dividends are factored in).

Q7: Does this calculator predict future stock performance?

A: No. This calculator is a historical analysis tool. It shows what *would have happened* based on past data. Past performance is not indicative of future results. Apple's future performance depends on many evolving factors.

Q8: What if I invested a different amount or on a different date?

A: The calculator is designed for this! Simply change the "Initial Investment Amount" and "Purchase Date" inputs and click "Calculate Potential Gains" again. You can explore numerous scenarios to understand how different timing and amounts could have impacted your returns.

Disclaimer: This calculator is for educational and illustrative purposes only. It does not constitute financial advice. Investment decisions should be based on thorough research and consultation with a qualified financial advisor. Past performance is not a guarantee of future results.

// Placeholder for fetching real stock data – In a real application, this would involve an API call. // For this example, we'll use mock data for specific dates. var mockStockData = { "AAPL": { "2007-01-15": { price: 11.50, date: "2007-01-15" }, // Adjusted close approx. "2009-03-23": { price: 4.50, date: "2009-03-23" }, // Adjusted close approx. "2010-01-01": { price: 7.60, date: "2010-01-01" }, // Adjusted close approx. // Add more dates as needed for a more robust mock }, // Add other stocks if needed }; // Function to get current stock price (mocked) function getCurrentStockPrice(symbol) { // In a real scenario, this would fetch live data. // For demonstration, let's use a fixed recent price for AAPL. if (symbol === "AAPL") { // Using a representative price around late 2023 / early 2024 return { price: 175.00, date: "2023-12-31" }; // Mock current price } return null; // Symbol not found } // Function to get historical stock price (mocked) function getHistoricalStockPrice(symbol, date) { if (mockStockData[symbol] && mockStockData[symbol][date]) { return mockStockData[symbol][date]; } // Fallback for dates not in mock data – try to find nearest available // This is a simplified fallback. A real implementation would be more sophisticated. var availableDates = Object.keys(mockStockData[symbol] || {}).sort(); var inputDate = new Date(date); var closestDate = null; var minDiff = Infinity; for (var i = 0; i < availableDates.length; i++) { var availableDate = new Date(availableDates[i]); var diff = Math.abs(inputDate.getTime() – availableDate.getTime()); if (diff < minDiff) { minDiff = diff; closestDate = availableDates[i]; } } if (closestDate) { console.warn("Using nearest available date for " + date + ": " + closestDate); return mockStockData[symbol][closestDate]; } return null; // Data not found } var priceChartInstance = null; // To hold the chart instance function calculateInvestment() { var initialInvestmentInput = document.getElementById("initialInvestment"); var purchaseDateInput = document.getElementById("purchaseDate"); var stockSymbolInput = document.getElementById("stockSymbol"); var initialInvestmentError = document.getElementById("initialInvestmentError"); var purchaseDateError = document.getElementById("purchaseDateError"); // Clear previous errors initialInvestmentError.textContent = ""; purchaseDateError.textContent = ""; var initialInvestment = parseFloat(initialInvestmentInput.value); var purchaseDateStr = purchaseDateInput.value; var stockSymbol = stockSymbolInput.value.toUpperCase(); // — Input Validation — if (isNaN(initialInvestment) || initialInvestment = today) { purchaseDateError.textContent = "Purchase date must be in the past."; return; } // — Data Fetching (Mocked) — var purchasePriceData = getHistoricalStockPrice(stockSymbol, purchaseDateStr); var currentPriceData = getCurrentStockPrice(stockSymbol); if (!purchasePriceData) { alert("Could not retrieve historical price data for " + stockSymbol + " on " + purchaseDateStr + ". Please try a different date or ensure the symbol is correct."); return; } if (!currentPriceData) { alert("Could not retrieve current price data for " + stockSymbol + ". Please check the symbol or try again later."); return; } var priceOnPurchaseDate = parseFloat(purchasePriceData.price); var currentStockPrice = parseFloat(currentPriceData.price); var actualPurchaseDate = purchasePriceData.date; // Use the date from fetched data var actualCurrentDate = currentPriceData.date; // Use the date from fetched data // — Calculations — var sharesPurchased = initialInvestment / priceOnPurchaseDate; var currentValue = sharesPurchased * currentStockPrice; var totalGain = currentValue – initialInvestment; var percentageGain = (totalGain / initialInvestment) * 100; // — Display Results — var resultsContainer = document.getElementById("results-container"); resultsContainer.style.display = "block"; document.getElementById("primaryResult").textContent = "$" + currentValue.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }); document.getElementById("intermediateValue1").innerHTML = 'Initial Investment: $' + initialInvestment.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + ''; document.getElementById("intermediateValue2").innerHTML = 'Value on Purchase Date: $' + priceOnPurchaseDate.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + ''; document.getElementById("intermediateValue3").innerHTML = 'Current Value: $' + currentValue.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + ''; document.getElementById("intermediateValue4").innerHTML = 'Total Gain: = 0 ? 'var(–success-color)' : 'red') + ';">$' + totalGain.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + ''; document.getElementById("intermediateValue5").innerHTML = 'Total Percentage Gain: = 0 ? 'var(–success-color)' : 'red') + ';">' + percentageGain.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + '%'; document.getElementById("assumption1").innerHTML = 'Stock Symbol: ' + stockSymbol + ''; document.getElementById("assumption2").innerHTML = 'Purchase Date: ' + actualPurchaseDate + ''; document.getElementById("assumption3").innerHTML = 'Current Date: ' + actualCurrentDate + ''; document.getElementById("assumption4").innerHTML = 'Initial Investment: $' + initialInvestment.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + ''; // Update Table document.getElementById("tableInitialInvestment").textContent = "$" + initialInvestment.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }); document.getElementById("tablePurchaseDateValue").textContent = "$" + priceOnPurchaseDate.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }); document.getElementById("tableCurrentValue").textContent = "$" + currentValue.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }); document.getElementById("tableTotalGain").textContent = "$" + totalGain.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }); document.getElementById("tablePercentageGain").textContent = percentageGain.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + '%'; document.getElementById("tableSharesPurchased").textContent = sharesPurchased.toLocaleString(undefined, { minimumFractionDigits: 4, maximumFractionDigits: 4 }); // — Update Chart — updateChart(stockSymbol, actualPurchaseDate, actualCurrentDate, priceOnPurchaseDate, currentStockPrice); } function updateChart(symbol, purchaseDate, currentDate, purchasePrice, currentPrice) { var ctx = document.getElementById('priceChart').getContext('2d'); // Destroy previous chart instance if it exists if (priceChartInstance) { priceChartInstance.destroy(); } // Mock data for chart – in a real app, fetch a range of dates var chartData = { labels: [purchaseDate, currentDate], datasets: [{ label: symbol + ' Price', data: [purchasePrice, currentPrice], borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: true, tension: 0.1, pointRadius: 5, pointBackgroundColor: 'var(–primary-color)', pointBorderColor: '#fff', pointHoverRadius: 7, pointHoverBackgroundColor: 'var(–primary-color)', pointHoverBorderColor: '#fff' }] }; priceChartInstance = new Chart(ctx, { type: 'line', data: chartData, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: false, title: { display: true, text: 'Stock Price (USD)' } }, x: { title: { display: true, text: 'Date' } } }, plugins: { legend: { display: true, position: 'top', }, title: { display: true, text: 'Stock Price Comparison: Purchase Date vs. Current Date' } } } }); } function resetCalculator() { document.getElementById("initialInvestment").value = "1000"; document.getElementById("purchaseDate").value = "2010-01-01"; document.getElementById("stockSymbol").value = "AAPL"; // Clear errors document.getElementById("initialInvestmentError").textContent = ""; document.getElementById("purchaseDateError").textContent = ""; // Clear results document.getElementById("results-container").style.display = "none"; document.getElementById("primaryResult").textContent = "–"; document.getElementById("intermediateValue1").innerHTML = 'Initial Investment: '; document.getElementById("intermediateValue2").innerHTML = 'Value on Purchase Date: '; document.getElementById("intermediateValue3").innerHTML = 'Current Value: '; document.getElementById("intermediateValue4").innerHTML = 'Total Gain: '; document.getElementById("intermediateValue5").innerHTML = 'Total Percentage Gain: '; document.getElementById("assumption1").innerHTML = 'Stock Symbol: '; document.getElementById("assumption2").innerHTML = 'Purchase Date: '; document.getElementById("assumption3").innerHTML = 'Current Date: '; document.getElementById("assumption4").innerHTML = 'Initial Investment: '; // Clear table document.getElementById("tableInitialInvestment").textContent = "–"; document.getElementById("tablePurchaseDateValue").textContent = "–"; document.getElementById("tableCurrentValue").textContent = "–"; document.getElementById("tableTotalGain").textContent = "–"; document.getElementById("tablePercentageGain").textContent = "–"; document.getElementById("tableSharesPurchased").textContent = "–"; // Clear chart if (priceChartInstance) { priceChartInstance.destroy(); priceChartInstance = null; } var canvas = document.getElementById('priceChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); // Optionally, display a placeholder message on the canvas ctx.font = "16px Arial"; ctx.fillStyle = "grey"; ctx.textAlign = "center"; ctx.fillText("Chart will appear after calculation", canvas.width/2, canvas.height/2); } function copyResults() { var resultsContainer = document.getElementById("results-container"); if (resultsContainer.style.display === "none") { alert("No results to copy yet. Please perform a calculation first."); return; } var primaryResult = document.getElementById("primaryResult").innerText; var iv1 = document.getElementById("intermediateValue1″).innerText.replace('Initial Investment: ', "); var iv2 = document.getElementById("intermediateValue2″).innerText.replace('Value on Purchase Date: ', "); var iv3 = document.getElementById("intermediateValue3″).innerText.replace('Current Value: ', "); var iv4 = document.getElementById("intermediateValue4″).innerText.replace('Total Gain: ', "); var iv5 = document.getElementById("intermediateValue5″).innerText.replace('Total Percentage Gain: ', "); var ass1 = document.getElementById("assumption1″).innerText.replace('Stock Symbol: ', "); var ass2 = document.getElementById("assumption2″).innerText.replace('Purchase Date: ', "); var ass3 = document.getElementById("assumption3″).innerText.replace('Current Date: ', "); var ass4 = document.getElementById("assumption4″).innerText.replace('Initial Investment: ', "); var copyText = "— Investment Performance Summary —\n\n"; copyText += "Projected Current Value: " + primaryResult + "\n\n"; copyText += "— Key Metrics —\n"; copyText += "- Initial Investment: " + iv1 + "\n"; copyText += "- Value on Purchase Date: " + iv2 + "\n"; copyText += "- Current Value: " + iv3 + "\n"; copyText += "- Total Gain: " + iv4 + "\n"; copyText += "- Total Percentage Gain: " + iv5 + "\n\n"; copyText += "— Assumptions —\n"; copyText += "- Stock Symbol: " + ass1 + "\n"; copyText += "- Purchase Date: " + ass2 + "\n"; copyText += "- Current Date: " + ass3 + "\n"; copyText += "- Initial Investment: " + ass4 + "\n"; navigator.clipboard.writeText(copyText).then(function() { alert("Results copied to clipboard!"); }, function(err) { console.error("Failed to copy text: ", err); alert("Failed to copy results. Please copy manually."); }); } // Initial calculation on page load with default values document.addEventListener('DOMContentLoaded', function() { // Ensure Chart.js is loaded before attempting to use it if (typeof Chart === 'undefined') { console.error("Chart.js is not loaded. Please include the Chart.js library."); // Optionally, display a message to the user var canvas = document.getElementById('priceChart'); if(canvas) { var ctx = canvas.getContext('2d'); ctx.font = "16px Arial"; ctx.fillStyle = "red"; ctx.textAlign = "center"; ctx.fillText("Chart library not loaded.", canvas.width/2, canvas.height/2); } } else { calculateInvestment(); // Perform initial calculation } });

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