Enter your win rate and your average win against your average loss to get the mathematically optimal fraction — and the fraction a human can survive.
Kelly is the size that grows an account fastest over infinite trades. It is also brutally volatile, assumes your inputs are exact, and full Kelly on slightly-wrong numbers is how accounts die. Most people trade a quarter to a half of it.
Enter the win rate you actually achieve.
Add your average win and average loss.
Read the full Kelly fraction.
Trade a half or a quarter of it.
Short, practical answers. Trade-offs explained, no advice framing.
Shares from account size, risk percent and stop distance, so the loss is decided before the entry.
R-multiples from entry, stop and target, plus the win rate each ratio needs to break even.
What a steady return does to an account over years, with or without monthly deposits.