Position size calculator

Decide the most you are willing to lose on one trade, then size the position so a stop-loss hit costs no more than that.

Trading capital, ₹Risk per trade, %Entry priceStop-loss priceLot size (1 for stocks; e.g. the Nifty lot size for F&O)

Quantity

250

Money at risk

₹5,000 of ₹5,000 allowed

Position value

₹3,50,000

Risk per unit

₹20.00

Side

Long (buy)

Why size positions

Many traders risk 0.5% to 2% of capital per trade, so a losing streak doesn't wipe them out. Gaps can jump past a stop, so real losses can exceed the planned amount.

For study and educational use. Not investment advice. Results are only as good as the numbers you enter.

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