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Glossary

Terms, defined plainly

Breakeven win rateRisk
Win rate needed to break even at a fixed reward:risk of k:1, equal to 1 ÷ (1 + k) before costs.
Lesson: R-multiples and expectancy
Option breakevenOptions
Underlying price at expiration where P/L is zero: strike + premium for calls, strike − premium for puts.
Lesson: Payoff diagrams, breakeven and maximum loss