Break-even win rate calculator
The share of trades you must win just to break even at a given payout. A 70% payout needs a 58.8% win rate.
Win rate needed to break even–
Trader’s edge (expectancy) calculator
Your average profit or loss per trade, from your win rate and the payout: win rate × payout + (1 − win rate) × (refund − 1).
Expected result per trade–
Position size calculator
How much to stake per trade so that one loss costs only a small, fixed share of your account. Most traders keep it at 1–3%.
Stake per trade–
Martingale recovery calculator
How fast the stakes grow when you raise them after every loss to win back the losses plus your normal profit. It shows why martingale is so risky.
Total at risk after the losing streak–
Masaniello calculator
Plans the stakes for a fixed series of trades so that if you win at least the number of trades you expect, you finish with a set profit, and if you don’t, you lose the series capital. Each stake follows from the trades and wins still to go.
Capital at the end if you reach your wins–
