Stock Trade Profit/Loss & ROI Calculator
Use this calculator to determine the potential profit or loss from a stock trade, taking into account the purchase price, selling price, number of shares, and any commissions involved. It also calculates your Return on Investment (ROI).
function calculateStockTrade() {
var purchasePrice = parseFloat(document.getElementById('purchasePrice').value);
var sellingPrice = parseFloat(document.getElementById('sellingPrice').value);
var numberOfShares = parseFloat(document.getElementById('numberOfShares').value);
var buyCommission = parseFloat(document.getElementById('buyCommission').value);
var sellCommission = parseFloat(document.getElementById('sellCommission').value);
if (isNaN(purchasePrice) || isNaN(sellingPrice) || isNaN(numberOfShares) || isNaN(buyCommission) || isNaN(sellCommission) || numberOfShares 0) {
roiPercentage = (netProfitLoss / totalCost) * 100;
} else if (netProfitLoss > 0) { // If cost is 0 but there's profit (e.g., free shares, no commission)
roiPercentage = Infinity; // Or a very large number to represent infinite return
}
document.getElementById('totalCostResult').innerHTML = "
Total Cost: $" + totalCost.toFixed(2);
document.getElementById('totalRevenueResult').innerHTML = "
Total Revenue: $" + totalRevenue.toFixed(2);
document.getElementById('netProfitLossResult').innerHTML = "
Net Profit/Loss: $" + netProfitLoss.toFixed(2);
if (roiPercentage === Infinity) {
document.getElementById('roiPercentageResult').innerHTML = "
Return on Investment (ROI): Infinite%";
} else {
document.getElementById('roiPercentageResult').innerHTML = "
Return on Investment (ROI): " + roiPercentage.toFixed(2) + "%";
}
}
.stock-calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f9f9f9;
padding: 25px;
border-radius: 10px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
max-width: 600px;
margin: 30px auto;
border: 1px solid #e0e0e0;
}
.stock-calculator-container h2 {
color: #2c3e50;
text-align: center;
margin-bottom: 20px;
font-size: 1.8em;
}
.stock-calculator-container p {
color: #555;
text-align: center;
margin-bottom: 25px;
line-height: 1.6;
}
.calculator-form .form-group {
margin-bottom: 18px;
display: flex;
flex-direction: column;
}
.calculator-form label {
margin-bottom: 8px;
color: #34495e;
font-weight: bold;
font-size: 0.95em;
}
.calculator-form input[type="number"] {
padding: 12px;
border: 1px solid #ccc;
border-radius: 6px;
font-size: 1em;
width: 100%;
box-sizing: border-box;
transition: border-color 0.3s ease;
}
.calculator-form input[type="number"]:focus {
border-color: #007bff;
outline: none;
box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}
.calculator-form button {
background-color: #28a745;
color: white;
padding: 14px 25px;
border: none;
border-radius: 6px;
cursor: pointer;
font-size: 1.1em;
font-weight: bold;
width: 100%;
transition: background-color 0.3s ease, transform 0.2s ease;
margin-top: 20px;
}
.calculator-form button:hover {
background-color: #218838;
transform: translateY(-2px);
}
.calculator-form button:active {
transform: translateY(0);
}
.calculator-results {
margin-top: 30px;
padding-top: 25px;
border-top: 1px solid #eee;
}
.calculator-results h3 {
color: #2c3e50;
margin-bottom: 15px;
text-align: center;
font-size: 1.5em;
}
.calculator-results div {
background-color: #e9f7ef;
color: #28a745;
padding: 12px 15px;
margin-bottom: 10px;
border-radius: 6px;
border: 1px solid #d4edda;
font-size: 1.1em;
display: flex;
justify-content: space-between;
align-items: center;
}
.calculator-results div strong {
color: #2c3e50;
margin-right: 10px;
}
/* Specific styling for negative profit/loss */
#netProfitLossResult.negative {
background-color: #f8d7da;
color: #dc3545;
border-color: #f5c6cb;
}
#netProfitLossResult.negative strong {
color: #2c3e50; /* Keep label color consistent */
}
#roiPercentageResult.negative {
background-color: #f8d7da;
color: #dc3545;
border-color: #f5c6cb;
}
#roiPercentageResult.negative strong {
color: #2c3e50; /* Keep label color consistent */
}
// Re-defining the function to include dynamic class assignment for negative results
function calculateStockTrade() {
var purchasePrice = parseFloat(document.getElementById('purchasePrice').value);
var sellingPrice = parseFloat(document.getElementById('sellingPrice').value);
var numberOfShares = parseFloat(document.getElementById('numberOfShares').value);
var buyCommission = parseFloat(document.getElementById('buyCommission').value);
var sellCommission = parseFloat(document.getElementById('sellCommission').value);
var totalCostResultDiv = document.getElementById('totalCostResult');
var totalRevenueResultDiv = document.getElementById('totalRevenueResult');
var netProfitLossResultDiv = document.getElementById('netProfitLossResult');
var roiPercentageResultDiv = document.getElementById('roiPercentageResult');
// Clear previous negative classes
netProfitLossResultDiv.classList.remove('negative');
roiPercentageResultDiv.classList.remove('negative');
if (isNaN(purchasePrice) || isNaN(sellingPrice) || isNaN(numberOfShares) || isNaN(buyCommission) || isNaN(sellCommission) || numberOfShares 0) {
roiPercentage = (netProfitLoss / totalCost) * 100;
} else if (netProfitLoss > 0) {
roiPercentage = Infinity;
}
totalCostResultDiv.innerHTML = "
Total Cost: $" + totalCost.toFixed(2);
totalRevenueResultDiv.innerHTML = "
Total Revenue: $" + totalRevenue.toFixed(2);
netProfitLossResultDiv.innerHTML = "
Net Profit/Loss: $" + netProfitLoss.toFixed(2);
if (netProfitLoss < 0) {
netProfitLossResultDiv.classList.add('negative');
}
if (roiPercentage === Infinity) {
roiPercentageResultDiv.innerHTML = "
Return on Investment (ROI): Infinite%";
} else {
roiPercentageResultDiv.innerHTML = "
Return on Investment (ROI): " + roiPercentage.toFixed(2) + "%";
if (roiPercentage < 0) {
roiPercentageResultDiv.classList.add('negative');
}
}
}
Understanding Your Stock Trades with the Profit/Loss & ROI Calculator
Investing in the stock market can be a rewarding venture, but it comes with inherent risks and requires careful analysis. Whether you're a seasoned trader or just starting, understanding the financial implications of each trade is crucial. Our Stock Trade Profit/Loss & ROI Calculator is designed to help you quickly assess the potential outcomes of your stock transactions, providing clarity on your investment performance.
What Does This Calculator Do?
This tool allows you to input key figures related to a stock trade and instantly calculates the following:
- Total Cost: The total amount you spent to acquire the shares, including the purchase price per share, the number of shares, and any commission paid to your broker for buying.
- Total Revenue: The total amount you receive from selling your shares, calculated from the selling price per share, the number of shares, minus any commission paid for selling.
- Net Profit/Loss: The ultimate financial gain or deficit from your trade. This is derived by subtracting your Total Cost from your Total Revenue. A positive number indicates a profit, while a negative number signifies a loss.
- Return on Investment (ROI): A percentage that measures the efficiency or profitability of your investment. It tells you how much profit you made relative to the initial cost of the investment. A higher positive ROI indicates a more successful trade.
Why is it Important to Calculate Profit/Loss and ROI?
Accurately calculating these metrics is vital for several reasons:
- Performance Evaluation: It helps you understand if your trading strategies are effective. By analyzing past trades, you can learn what worked and what didn't.
- Risk Management: Before entering a trade, you can use the calculator to project potential profits or losses under different scenarios (e.g., if the stock price goes up by 5% or down by 10%). This helps in setting stop-loss orders and profit targets.
- Commission Impact: Brokerage commissions, though seemingly small, can significantly eat into your profits, especially on smaller trades or frequent trading. This calculator explicitly includes commissions to give you a true net figure.
- Comparative Analysis: ROI allows you to compare the profitability of different investments, even if they involve different amounts of capital. It standardizes performance measurement.
How to Use the Calculator:
Simply input the following details into the respective fields:
- Purchase Price per Share ($): The price at which you bought each share of the stock.
- Selling Price per Share ($): The price at which you sold (or plan to sell) each share.
- Number of Shares: The total quantity of shares involved in the trade.
- Buy Commission ($): The fee charged by your broker when you purchased the shares.
- Sell Commission ($): The fee charged by your broker when you sold the shares.
Once all fields are filled, click the "Calculate Profit/Loss" button to see your detailed results.
Example Scenario:
Let's say you bought 100 shares of Company X at $50.00 per share. Your broker charged a $7.00 buy commission. Later, you sold all 100 shares at $55.00 per share, incurring a $7.00 sell commission.
- Purchase Price per Share: $50.00
- Selling Price per Share: $55.00
- Number of Shares: 100
- Buy Commission: $7.00
- Sell Commission: $7.00
Using the calculator, you would find:
- Total Cost: ($50.00 * 100) + $7.00 = $5,007.00
- Total Revenue: ($55.00 * 100) – $7.00 = $5,493.00
- Net Profit/Loss: $5,493.00 – $5,007.00 = $486.00 (Profit)
- Return on Investment (ROI): ($486.00 / $5,007.00) * 100 = 9.71%
This example clearly shows a profitable trade with a healthy return on your initial investment, even after accounting for commissions.
By regularly utilizing this Stock Trade Profit/Loss & ROI Calculator, you can make more informed decisions, better manage your portfolio, and gain a clearer perspective on your overall investment success.