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Trading Expectancy Calculator: Keep Trading, Cut Risk, or Pause?

Your next trade should not be decided by whether the last trade won. The more useful question is whether the completed sample still shows a positive result after trading costs, and whether another ordinary losing streak would keep the account inside its prewritten drawdown limit. This Trading Expectancy Calculator turns those two checks into a decision card: continue within plan, cut risk, or pause and review. It is an educational review model, not investment advice or a prediction of future performance. Quick answer: should you keep trading this setup? Continue within plan only when the recorded sample has positive net expectancy after entered costs and the planned risk survives the selected loss-streak test without crossing the drawdown ceiling. Cut risk when the edge is positive but the sample is still small, costs consume too much of the gross edge, or the planned risk would breach the drawdown ceiling. Pause and review when net expectancy is zero or negative in a usab...
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Trading Drawdown Calculator: Consecutive Losses, Recovery Gain, and Risk per Trade

A losing streak changes two numbers at the same time: the dollars available for the next trade fall, while the percentage gain needed to return to the starting balance rises. This Trading Drawdown Calculator models both effects. It resizes a long or short stock position from the current account balance after every loss, includes entered fees and adverse stop slippage, and shows the trade-by-trade path from starting equity to ending equity. It is an educational planning model, not investment advice, a price forecast, or a guarantee that a stop will fill. Quick answer: drawdown and recovery formulas Fixed-percentage ending balance: starting balance x (1 - risk per trade) number of losses . Drawdown: (starting balance - ending balance) / starting balance. Recovery gain: (starting balance / ending balance - 1) x 100. Cost-aware whole-share size: floor[(current balance x risk rate - fixed fees) / (entry-to-stop distance + adverse slippage per share)]. A 20% drawdown needs a ...
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Risk-Reward Ratio Calculator: Break-Even Win Rate, Fees, and Slippage

Reward-to-risk ratio compares the potential gain at a target with the modeled loss at a stop. A 2:1 gross ratio means two dollars of price reward for each dollar of price risk, but fees and adverse execution can reduce the net ratio and raise the win rate needed to break even. This calculator separates gross price distances from net dollar outcomes, then estimates break-even win rate, expectancy, account impact, cost-adjusted 2R and 3R targets, win-rate sensitivity, and slippage stress for long or short stock scenarios. A stop price is not a guaranteed fill and a target is not guaranteed to execute. Quick answer Gross reward-to-risk ratio: price reward per share / price risk per share. Net reward-to-risk ratio: potential reward after entered fees and adverse exit slippage / modeled loss after those costs. Break-even win rate: net risk / (net risk + net reward). Binary expectancy: win probability x net reward - loss probability x net risk. A higher ratio does not prove a...
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