What is a margin Calculator?
Margin trading lets you take a larger position than your available funds would normally allow, by putting down only a fraction of the trade value upfront — the broker effectively funds the rest for the day. This is common for intraday equity trades, where brokers commonly offer 4x–5x leverage (sometimes more), though the exact multiple is set by the broker and can change based on the stock and market conditions.
Enter the stock price, quantity, and the leverage your broker offers to see the margin required, and how much quantity your available funds could support at that leverage.
How margin is calculated
This is a simplified view for equity intraday trades with flat leverage. F&O margin requirements (SPAN + exposure margin) are set by the exchange per contract and aren’t a simple multiple — this calculator doesn’t model those.
Worked example: how leverage changes what ₹50,000 can buy
With ₹50,000 available and a ₹500 stock, no leverage (1x) buys 100 shares — a ₹50,000 position. At 4x leverage, the same ₹50,000 can control 400 shares, a ₹2,00,000 position. At 5x, 500 shares, ₹2,50,000. At 10x, 1,000 shares, a ₹5,00,000 position — ten times your actual capital.
The leverage multiplies both potential profit and potential loss identically. A 2% adverse move against a 10x-leveraged ₹5,00,000 position is a ₹10,000 loss — 20% of your original ₹50,000, from a stock price move of just 2%.
Why leverage is a tool, not a strategy
Higher leverage doesn’t improve your odds of a trade working out — it only scales the outcome, good or bad, of whatever the trade already does. It’s most defensible for very short-duration, high-conviction trades with a clear, tight risk plan (a predetermined exit if the trade moves against you), and least defensible as a way to "make more money" from an otherwise ordinary trade idea, since the added risk compounds exactly as fast as the added potential reward.
Frequently asked questions
Does this apply to F&O trading?
No — F&O margins are computed by the exchange using SPAN and exposure margin methodology, which varies by contract and market volatility, not a flat leverage multiple. This calculator is for equity intraday trades only.
What happens if a leveraged position moves against me?
Your broker may issue a margin call or square off your position automatically if losses erode your margin below the required maintenance level — leverage magnifies losses exactly as much as it magnifies gains.
Is the leverage multiple the same for every stock?
No — brokers typically offer lower leverage (or none) on illiquid or highly volatile stocks, and this can change without much notice, so always confirm the current leverage for a specific stock on your broker’s app before placing the trade.
What’s the difference between margin and exposure?
Margin is the funds you must have available to enter and hold a leveraged position. Exposure is the total value of the position you control — in a 5x leveraged trade, your margin is one-fifth of your exposure.
Do I pay interest on the leveraged (borrowed) portion?
For intraday positions squared off same-day, typically no separate interest is charged — the cost is embedded in brokerage and other trade charges. Carrying a leveraged position overnight (where permitted) usually does attract a separate funding charge from the broker.
Can leverage on a stock change during market hours?
Yes — brokers can reduce (or occasionally increase) available leverage intraday in response to volatility or exchange-level circuit filters, particularly for stocks experiencing sharp price moves.
Is using maximum available leverage ever a good default?
Generally not recommended as a default — using less than the maximum available leverage leaves a buffer against adverse moves and reduces the chance of a forced square-off at the worst possible moment. Many experienced traders use only a fraction of the leverage a broker technically offers.