What Risk-Reward Ratio Actually Means
The risk-reward ratio (R:R) is the relationship between how much you stand to lose on a trade and how much you stand to gain. If you risk $100 on a trade with a potential profit of $200, your R:R is 1:2. If you risk $100 to make $300, it's 1:3. The first number represents risk (your stop loss distance), and the second represents reward (your target distance).
R:R is one of the most important concepts in trading because it directly determines how often you need to be right to make money. A 1:2 R:R means you only need to win 34% of your trades to break even. A 1:3 R:R drops that breakeven win rate to 25%. This math is liberating once you understand it: you don't need to be right most of the time. You just need your winners to be bigger than your losers.
How to Calculate R:R for Every Trade
The calculation is straightforward. Identify three prices: your entry, your stop loss, and your target. Your risk is the distance from entry to stop. Your reward is the distance from entry to target. Divide reward by risk.
Example: you buy a stock at $50. Your stop loss is at $48 (risk of $2 per share). Your target is at $56 (reward of $6 per share). Your R:R is 6 divided by 2, which is 3. So the R:R is 1:3. For every dollar you risk, you're targeting three dollars in return.
Calculate this before you enter every trade, not after. If the R:R doesn't meet your minimum threshold, don't take the trade. This single habit eliminates a huge number of low-quality trades and forces you to be selective about which setups you pursue.
Why 1:2 or 1:3 Minimum Matters
Most experienced traders require a minimum R:R of 1:2, and many prefer 1:3 or higher. The reason is mathematical resilience. With a 1:1 R:R, you need to win more than 50% of your trades to be profitable (once you account for commissions and slippage). That's a high bar. With a 1:2 R:R, you only need to win about 34% to break even, and anything above that is profit.
Here's a practical comparison. Trader A has a 50% win rate with a 1:1 R:R. Over 100 trades risking $100 each: 50 wins at $100 ($5,000) minus 50 losses at $100 ($5,000) equals $0 before costs. After commissions, this trader loses money. Trader B has a 40% win rate with a 1:2 R:R. Over 100 trades risking $100 each: 40 wins at $200 ($8,000) minus 60 losses at $100 ($6,000) equals $2,000 profit. Trader B wins less often but makes significantly more money.
This is why chasing a high win rate at the expense of R:R is counterproductive. Many of the most profitable trading strategies have win rates below 50% but survive and thrive because their winners are two to three times larger than their losers.
The R-Multiple: Tracking Performance in Units of Risk
The R-multiple is a powerful way to standardize your trade results. Instead of measuring trades in dollars, measure them in R, where 1R equals the amount you risked on that trade. A trade where you risked $100 and made $250 is a 2.5R winner. A trade where you risked $100 and lost $100 is a -1R loser. A trade where you risked $100 and lost $60 (got out early) is a -0.6R loser.
Why is this useful? Because it lets you compare trades across different position sizes and different time periods. A 2R winner on a $50 risk is the same quality trade as a 2R winner on a $500 risk. The dollar amounts are different, but the execution quality is identical.
Your average R-multiple across all trades is your system's expectancy per unit of risk. If your average R-multiple is 0.3R, that means for every dollar you risk, you expect to make $0.30 over time. Multiply that by the number of trades you take and your average risk, and you have your expected income from trading.
Common R:R Mistakes
The first mistake is setting arbitrary targets that don't align with price structure. If you need a 1:3 R:R and the next resistance level is only 1.5R away from your entry, setting your target at 3R means your trade has to break through that resistance level to reach your target. That's possible, but it reduces your probability of winning. The best targets are placed at logical price levels (support, resistance, Fibonacci levels) that also happen to give you an acceptable R:R.
The second mistake is widening your stop to improve the R:R ratio artificially. If your proper stop loss is $2 away but you widen it to $1 to get a 1:3 instead of 1:1.5, you're fooling yourself. Your stop is now inside the noise range, and it will get hit by normal price fluctuations. The R:R looks better on paper, but the win rate will plummet.
The third mistake is not accounting for partial exits. If you take half your position off at 1R profit and trail the rest, your actual R:R on that trade is different from your initial plan. Track the real R-multiple, not the planned one. Partial exits reduce risk but also reduce the average R per trade, and you need to factor that into your expectancy calculations.
Tracking R:R in Your Trading Journal
Every trade in your journal should include: planned R:R (calculated before entry), actual R-multiple (the real result), and the reason for any discrepancy. If your planned R:R was 1:3 but you exited at 1:1.5, why? Did you get scared? Did the setup deteriorate? Did you hit your time-based exit? Understanding these discrepancies is how you improve your trade management.
Over time, your journal will show patterns. Maybe you consistently exit too early on winning trades, cutting your R-multiple from 2R to 1.2R. That's a specific, fixable problem. Maybe your planned R:R is consistently unrealistic, setting 1:3 targets that only get hit 20% of the time. Adjusting to 1:2 targets might actually improve your overall expectancy by increasing your win rate.
TruthAlpha automatically calculates your R-multiples and shows your distribution of outcomes. You can see at a glance whether your winners are bigger than your losers, what your average R is, and how your R:R has changed over time. This data takes the guesswork out of one of the most important aspects of your trading system. Try TruthAlpha free and start tracking the metric that matters most.