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All 17 calculators, one page each

Each opens on its own, so you can link to, bookmark or embed the single one you use.

• Position Size Calculator
  Position size from a stop distance and a fixed fraction of the account.
• Risk/Reward Calculator
  Reward to risk on a trade, and the win rate it has to clear to break even.
• Profit/Loss Calculator
  What a position returns in currency and in percent, before and after costs.
• Fee and Commission Calculator
  What a round trip costs in fees, commission and spread, as a share of the move.
• Compound Growth Calculator
  What a per-trade edge compounds to over a number of trades.
• Expectancy Calculator
  Expected value per trade from a win rate and an average win and loss.
• Drawdown Recovery Calculator
  The gain needed to return to a previous high after a drawdown.
• Position Scaling Calculator
  Average entry and total risk when a position is built in more than one piece.
• Slippage Calculator
  What slippage costs across a number of trades, against the edge it eats.
• R-Multiple Calculator
  A result expressed in R, so trades of different sizes can be compared.
• Break-Even Calculator
  The win rate a reward-to-risk ratio needs before it makes money.
• Portfolio Heat Calculator
  Total open risk across positions, as a share of the account.
• Kelly Criterion Calculator
  The Kelly fraction from a win rate and a payoff, and why you would size under it.
• Correlation-Adjusted Risk Calculator
  What correlated positions really risk together, rather than one at a time.
• Margin Call Price Calculator
  The price at which a broker starts selling, from leverage and maintenance margin.
• Friction Ratio Calculator
  Round-trip cost as a share of the instrument’s daily range.
• Minimum Futures Account Calculator
  The account a futures stop implies, from tick value and a risk fraction.