Who it's for — For those who want the mathematical formula to survive the markets indefinitely, even when hitting consecutive losing streaks.
Percentage Risk is the application of Risk per Trade measured not in dollars, but as a percentage of the total Capital.
Professional traders never risk fixed amounts ("I risk 100€"), but fixed percentages (often from 0.5% to 2% of their account). This means that if you have a $10,000 account and adopt a 1% risk, your Stop Loss for the next trade will be set to make you lose exactly $100.
In simple terms — Imagine you have a cake (your Capital) and you bet a slice of it on every trade. If you bet 20% slices, it will only take 5 mistakes in a row to have no cake left. If you bet 1% crumbs, after 5 consecutive mistakes you will still have 95% of the cake intact. The smaller the slice, the more indestructible you are.
The magic of inverse compounding
Why is percentage better than a fixed number? Because it adapts to your situation of success or crisis.
- If you lose: Your capital goes down. 1% of a smaller capital means you will risk fewer dollars on the next trade. The market automatically puts you on a diet while you are struggling.
- If you win: Your capital goes up. 1% of a larger capital means you will risk more dollars on the next trade. The market automatically boosts you when you are in top form.
The limit of ruin
Risking more than 2-3% per trade is considered pure gambling. Statistics show that any strategy will sooner or later have a streak of 5-10 consecutive losing trades (Drawdown). If you risk 5% per trade, in 10 wrong trades you have halved the account. And recovering a -50% doesn't require making +50%, but +100%.
Summary Sheet
- Golden rule: Never risk more than 1% or 2% of total capital on a single trading idea.
- Automatic defense: Risking by percentage reduces dollar exposure during negative phases.
- Longevity: With 1% risk, you have to get 100 trades wrong in a row to wipe out the account (mathematically even more due to the decreasing capital).
Links
- drawdown — What happens when you hit a losing streak.
- risk-of-ruin — The mathematical probability of blowing up the account.
- bronze-path
Module: Module 4 — Risk before profit
The first skill of a trader is survival.
