Section 4 · Momentum Basics
Risk/Reward Ratio
Asymmetry is your edge — make every trade pay you more than it risks
Why 1:2 Risk/Reward Is the Minimum Acceptable Trade
Risk/reward ratio (R/R) is the single most important concept in trading math. It answers the question: for every dollar I risk on this trade, how many dollars could I make? A 1:2 ratio means risking $1 to potentially make $2. A 1:3 ratio means risking $1 for $3. Here is the profound implication: if your R/R is 1:2 and you are right only 40% of the time, you are still profitable. If you win 4 of every 10 trades at 2:1, you gain $8 and lose $6 — a net positive. This is the mathematical foundation of momentum trading. Most beginners focus obsessively on win rate and ignore R/R completely — this is backwards. You calculate R/R before you enter: divide the distance from entry to target by the distance from entry to stop. If the ratio is less than 2, skip the trade. Period. Asymmetric risk is what separates trading from gambling. When your winners are consistently larger than your losers, mediocre win rates still produce account growth.
3 things to know
A 1:2 R/R trade is profitable even at a 40% win rate — asymmetry makes the math work for you.
Calculate R/R before entry: (entry to target) ÷ (entry to stop). Must be ≥ 2.0 to qualify.
Never enter a trade with less than 1:2 R/R — the odds are mathematically stacked against you.
Dive Deeper
Key vocabulary — tap each card
Practice
Scenario
You spot a momentum setup. Entry: $10.00. The technical stop is at $9.75 (25 cents risk). The measured move target is $10.40 (40 cents potential gain). Should you take this trade based on R/R alone?
Did you know?
A study of 43,000 retail trading accounts found that traders with average R/R above 1:2 were profitable at nearly 3x the rate of traders with R/R below 1:1 — even when both groups had identical win rates. The math of asymmetry is that powerful.