Risk
Risk calculators
Risk
Position Size Calculator
Work out how many shares to buy for a fixed percent of account risk.
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Risk / Reward Ratio Calculator
Compare potential loss to potential gain before you enter.
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Stop Loss & Take Profit Calculator
See dollar risk and reward for a sized position.
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Win Rate / Expectancy Calculator
Estimate average profit per trade from win rate and payoff.
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Risk of Ruin Calculator
Educational estimate of blow-up odds for even-money risk units.
Open calculator →Stocks
Stocks calculators
Stocks
Stock Profit / Loss Calculator
Net P&L after commissions for a stock trade.
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Stock Average Calculator
Blend two lots into a volume-weighted average price.
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Stock Average Down Calculator
See your new average after buying more at a lower price.
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Stock Return / ROI Calculator
Return on invested capital for a completed or planned outcome.
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Break-even Calculator
Find the exit price that covers entry plus fees.
Open calculator →Options
Options calculators
Options
Options Profit / Loss Calculator
Estimate P&L for a long or short call or put at a chosen underlying price.
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Options Break-even Calculator
Find the underlying price where a single-leg option breaks even at expiry.
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Covered Call Calculator
Net basis, break-even, and max profit if your short call is assigned.
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Cash-Secured Put Calculator
Cash required, break-even, max profit, and return on capital for a CSP.
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Iron Condor Calculator
Max profit, max loss, and break-evens for a credit iron condor.
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Black-Scholes Calculator
Theoretical European option price with continuous dividend yield.
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Options Greeks Calculator
Black-Scholes delta, gamma, theta (per day), vega, and rho.
Open calculator →General