The difference between traders who last years in the market and those who blow their accounts in months comes down to one thing: risk management. You can have a profitable strategy and still lose everything if you don't control how much you risk on each trade. This is not optional — it's the foundation of everything.
The 1% Rule
The most important rule in trading is simple: never risk more than 1-2% of your total account on a single trade.
If you have a $1,000 account, your maximum loss per trade is $10-$20. This might sound too small to matter, but consider: if you risk 1% per trade and have 10 losing trades in a row (a realistic bad streak), you've only lost 10% of your account. You still have 90% left to recover with. Trader who risk 10% per trade? They're finished after 10 losses.
A 10% loss requires an 11% gain to recover. A 50% loss requires a 100% gain to recover. A 90% loss requires a 900% gain. This asymmetry is why preserving capital is infinitely more important than chasing gains.
How to Calculate Position Size
Position size is not about how much you want to trade — it's about how much you can afford to lose. Here's the formula:
Example: $5,000 account, 1% risk = $50 maximum loss. If your stop loss is 50 pips and EUR/USD pip value is $1/pip for a mini lot, you can trade 1 mini lot ($50 ÷ 50 pips × $1).
Stop Losses: Non-Negotiable
A stop loss is an automatic order that closes your position if price moves against you by a predetermined amount. Setting a stop loss before you enter is not optional — it's the only way to guarantee your maximum loss on a trade.
- Always set a stop loss before entering, not after
- Place stops at a logical market level (below support, above resistance), not at a round number just because it's convenient
- Never move your stop loss wider to avoid being stopped out — this is how small losses become catastrophic
- You may move stops in your favor (trailing stop) to lock in profits as the trade moves for you
Risk/Reward Ratio
For every trade, you should know your risk/reward ratio — how much you stand to gain compared to how much you risk. A 1:2 ratio means you risk 1 to potentially make 2.
Why does this matter? Consider a trader with a 40% win rate (loses 6 out of 10 trades). With a 1:1 ratio, they lose money. But with a 1:2 ratio, their profits from 4 wins ($200 total) exceed their losses from 6 losses ($150 total) — they're profitable with a below-50% win rate.
Daily & Drawdown Limits
Professional traders use limits to prevent emotional trading from destroying their accounts:
- Daily loss limit — stop trading if you lose 3-5% in a single day (prevents revenge trading)
- Maximum drawdown — define your absolute maximum loss (e.g., 20%) before you stop and reassess your strategy
- Maximum open positions — limit correlated risk (don't trade 3 USD pairs at once)
Revenge trading — increasing position size after a loss to "win it back" quickly. This is pure gambling and the fastest path to a blown account. After any loss, your next trade must be the same size (or smaller) as usual.
Learn risk management in depth
Module 9 of the Beginner course covers position sizing, stop placement and risk/reward with real calculations.
Go to Module 9 — Free →