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Trading Position Entry Calculator

Aug 12, 2026

About this app

A nifty trading position entry calculator to determine how many units to buy based on risk, entry price, and stop loss price.

Trading Position Entry Calculator Trading Position Entry Calculator Long Position Short Position Risk Amount (in $): Entry Price: Stop Loss Price: Profit Multiplier (e.g., 2 for double): Calculate Units Units to Buy: 0.00 Target Price Based on Multiplier: $0.00 Investment Amount Needed: $0.00 Investment Amount (in $): Adjust Units by Investment © 2023 Trading Calculator

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                    <html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">

<title>Trading Position Entry Calculator</title>
<meta name="description" content="A nifty trading position entry calculator to determine how many units to buy based on risk, entry price, and stop loss price.">
<meta name="keywords" content="trading, calculator, entry price, stop loss, risk management, finance, investment">

<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap" rel="stylesheet">

<style>
body {
background: linear-gradient(135deg, #fcf4ff, #e0f7fa);
color: #34495e;
font-family: 'Roboto', sans-serif;
}
#main-container {
margin-top: 50px;
padding: 30px;
border-radius: 10px;
background-color: #ffffff;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
h1, h2 {
text-align: center;
color: #2c3e50;
}
.input-group {
margin-bottom: 15px;
}
button {
background-color: #28a745;
color: white;
border-radius: 5px;
width: 100%;
}
button:hover {
background-color: #218838;
}
footer {
text-align: center;
padding: 10px;
position: relative;
bottom: 0;
width: 100%;
color: #7f8c8d;
}
.position-options {
text-align: center;
margin: 15px 0;
}
.position-options label {
margin: 0 10px;
}
</style>
</head>
<body>
<div id="main-container" class="container">
<h1>Trading Position Entry Calculator</h1>
<div class="position-options">
<label for="longPosition" class="form-label">Long Position</label>
<input type="radio" id="longPosition" name="position" value="long" checked>
<label for="shortPosition" class="form-label">Short Position</label>
<input type="radio" id="shortPosition" name="position" value="short">
</div>
<div class="input-group">
<label for="risk" class="form-label">Risk Amount (in $):</label>
<input type="number" id="risk" class="form-control" placeholder="Enter risk amount..." value="100"/>
</div>
<div class="input-group">
<label for="entryPrice" class="form-label">Entry Price:</label>
<input type="number" id="entryPrice" class="form-control" placeholder="Enter entry price..."/>
</div>
<div class="input-group">
<label for="stopLoss" class="form-label">Stop Loss Price:</label>
<input type="number" id="stopLoss" class="form-control" placeholder="Enter stop loss price..."/>
</div>
<div class="input-group">
<label for="profitMultiplier" class="form-label">Profit Multiplier (e.g., 2 for double):</label>
<input type="number" id="profitMultiplier" class="form-control" placeholder="Enter profit multiplier..." value="1" min="1"/>
</div>
<button id="calculateButton" class="btn btn-success btn-block">Calculate Units</button>
<h2 id="units">Units to Buy: 0.00</h2>
<h3 id="targetPriceWithMultiplier">Target Price Based on Multiplier: $0.00</h3>
<h3 id="investmentNeeded">Investment Amount Needed: $0.00</h3>
<div class="input-group">
<label for="investmentAmount" class="form-label">Investment Amount (in $):</label>
<input type="number" id="investmentAmount" class="form-control" placeholder="Enter investment amount..."/>
</div>
<button id="adjustInvestmentButton" class="btn btn-warning btn-block">Adjust Units by Investment</button>
</div>
<footer>
&copy; 2023 Trading Calculator
</footer>

<script type="text/javascript">
document.addEventListener("DOMContentLoaded", function() {
const calculateUnits = () => {
const risk = parseFloat(document.getElementById("risk").value);
const entryPrice = parseFloat(document.getElementById("entryPrice").value);
const stopLossPrice = parseFloat(document.getElementById("stopLoss").value);
const positionType = document.querySelector('input[name="position"]:checked').value;

if (!isNaN(risk) && !isNaN(entryPrice) && !isNaN(stopLossPrice)) {
const riskPerUnit = entryPrice - stopLossPrice;
if ((positionType === "long" && riskPerUnit <= 0) || (positionType === "short" && riskPerUnit >= 0)) {
alert("Error: Please ensure the stop loss price is correctly positioned for your trade.");
return;
}
const units = Math.max(0, risk / Math.abs(riskPerUnit));
document.getElementById("units").innerText = "Units to Buy: " + units.toFixed(2);

const investmentNeeded = risk * units;
document.getElementById("investmentNeeded").innerText = "Investment Amount Needed: $" + investmentNeeded.toFixed(2);

const profitMultiplier = parseFloat(document.getElementById("profitMultiplier").value);
const targetPriceWithMultiplier = positionType === "long" ? entryPrice + (risk * profitMultiplier / units) : entryPrice - (risk * profitMultiplier / units);
document.getElementById("targetPriceWithMultiplier").innerText = "Target Price Based on Multiplier: $" + targetPriceWithMultiplier.toFixed(2);
} else {
alert("Please fill in all fields with valid numbers.");
}
};

const adjustInvestment = () => {
const investmentAmount = parseFloat(document.getElementById("investmentAmount").value);
const entryPrice = parseFloat(document.getElementById("entryPrice").value);
const risk = 100; // fixed risk amount
const positionType = document.querySelector('input[name="position"]:checked').value;

if (!isNaN(investmentAmount) && investmentAmount > 0 && !isNaN(entryPrice) && entryPrice > 0) {
const adjustedRiskPerUnit = investmentAmount / entryPrice;
const units = Math.max(0, adjustedRiskPerUnit > 0 ? risk / (entryPrice - (entryPrice * (1 - adjustedRiskPerUnit))) : 0);
document.getElementById("units").innerText = "Units to Buy (Adjusted): " + units.toFixed(2);

const investmentNeeded = risk * units;
document.getElementById("investmentNeeded").innerText = "Investment Amount Needed: $" + investmentNeeded.toFixed(2);
} else {
alert("Please enter a valid investment amount and entry price.");
}
};

document.getElementById("calculateButton").addEventListener("click", calculateUnits);
document.getElementById("adjustInvestmentButton").addEventListener("click", adjustInvestment);
});
</script>
</body>
</html>