Free tool
How many lots should I trade?
Enter your capital, the option price and the lot size. We'll show how many lots fit within the MGTA rules.
30%Use at most 30% of your capital in one trade10%Keep your stop-loss within 10% of the option price5%Stop for the day if you lose 5% of your capital
Why? With these limits, one stop-loss costs you at most about 3% of your capital, so a few bad trades can't wipe out your account.
Your numbers
Set your own stop-loss and target (optional)
Your answer
Trade with
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- Use in this trade (30% of capital)
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- Money you'll actually use
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- Stop-loss at 10%
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- You lose if that stop-loss hits
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- You lose at your stop-loss
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- You make at your target
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- Reward : risk
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Also try: Recovery calculator → Intrinsic value calculator → See all free tools →
For learning only. This does not include brokerage, taxes or slippage, and option prices can jump past a stop-loss. Not investment advice.