Position sizing desk
Size the risk before the trade.
Four practical calculators for four different holding styles. Start with the risk you can accept, then let the position size follow.
Long-term portfolio
Investment allocation
Balance conviction with diversification. The smaller of your downside-risk limit and allocation limit determines the quantity.
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Not a prediction—your point for reviewing or exiting.₹
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Days to weeks
Swing trade sizing
Size from entry to stop, round down to your quantity step, and keep a separate cap on capital committed.
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ATR stop helper (optional)
ATR is a volatility guide, not a guarantee against gaps or slippage.
Same-day execution
Intraday sizing
Includes estimated trading cost in the risk per share and checks that the required margin stays inside your intraday allocation.
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Brokerage, taxes, charges and estimated slippage.x
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Defined-risk option buying
Options premium sizing
For buying calls or puts only. It sizes whole lots from premium risk and keeps the premium outlay inside your allocation cap.
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Enter the current exchange lot size for your contract.
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Risk firstDecide what you can lose before deciding how much you want to make.
Round downEvery calculator rounds quantity down so sizing never quietly exceeds the limit.
Review executionGaps, liquidity, fees and slippage can make actual results different from the plan.