Lesson 2 of 10beginner15 min readLast updated March 2026

Risk-to-Reward Ratio (RRR)

How to evaluate whether a trade setup offers favorable odds before entering.

Key Terms

risk-reward ratio·RRR·R-multiple·expectancy

Every trade you take is a bet with a defined downside and a projected upside. The risk-to-reward ratio (RRR) is the tool that quantifies this relationship and tells you whether a trade is mathematically worth taking. Without understanding RRR, you are trading blind, even if your chart analysis is perfect.

This lesson teaches you how to calculate RRR, how it connects to your win rate through the expectancy formula, and why disciplined traders refuse to enter trades below a minimum ratio.

Calculating Risk-to-Reward Ratio

The formula is straightforward:

RRR = Distance to Stop Loss / Distance to Take Profit

Or equivalently:

RRR = Risk (in pips or dollars) : Reward (in pips or dollars)

Worked Example

  • Entry: EUR/USD at 1.0850
  • Stop loss: 1.0820 (30 pips below entry)
  • Take profit: 1.0910 (60 pips above entry)

RRR = 30 pips : 60 pips = 1:2

You are risking 30 pips to gain 60 pips. For every dollar you risk, you stand to make two dollars.

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More Examples

EntryStop LossTake ProfitRisk (pips)Reward (pips)RRR
1.08501.08301.088020301:1.5
1.08501.08001.1000501501:3
1.08501.08101.087040201:0.5
1.08501.08251.092525751:3

Notice the third example: a 1:0.5 ratio means you risk $2 to make $1. You would need to win more than 67% of your trades just to break even at that ratio. This is why most experienced traders avoid trades below 1:1.

Breakeven Win Rates at Various Ratios

The relationship between RRR and required win rate is mathematical and non-negotiable. The breakeven win rate tells you the minimum percentage of trades you must win to avoid losing money at a given ratio:

Breakeven Win Rate = 1 / (1 + Reward/Risk)

Risk:RewardReward MultipleBreakeven Win Rate
1:0.50.5R66.7%
1:11R50.0%
1:1.51.5R40.0%
1:22R33.3%
1:33R25.0%
1:44R20.0%
1:55R16.7%

This table reveals something critical: at a 1:2 ratio, you only need to win 34% of your trades to be profitable. At 1:3, you can be wrong 74% of the time and still make money. This is why professional traders obsess over RRR, it gives you mathematical room to be wrong and still profit.

The Expectancy Formula

Expectancy combines your win rate and your risk-to-reward ratio into a single number that tells you how much you expect to make (or lose) per unit of risk over time:

Expectancy = (Win Rate x Average Win) - (Loss Rate x Average Loss)

Or, expressed in R-multiples:

Expectancy (R) = (Win Rate x Average R-multiple on wins) - (Loss Rate x 1)

Example: Positive Expectancy

  • Win rate: 45%
  • Average win: 2R ($200 on a $100 risk)
  • Loss rate: 55%
  • Average loss: 1R ($100)

Expectancy = (0.45 x $200) - (0.55 x $100) = $90 - $55 = $35 per trade

For every trade taken, this system expects to generate $35 on average. Over 100 trades, that is $3,500 in expected profit.

Example: Negative Expectancy

  • Win rate: 60%
  • Average win: 0.8R ($80 on a $100 risk)
  • Loss rate: 40%
  • Average loss: 1R ($100)

Expectancy = (0.60 x $80) - (0.40 x $100) = $48 - $40 = $8 per trade

Despite winning 60% of the time, this system barely breaks even because the average win is smaller than the average loss. Increase the loss rate slightly or reduce the win size, and this system becomes unprofitable.

Example: High Win Rate, Still Losing

  • Win rate: 70%
  • Average win: 0.5R ($50 on a $100 risk)
  • Loss rate: 30%
  • Average loss: 1R ($100)

Expectancy = (0.70 x $50) - (0.30 x $100) = $35 - $30 = $5 per trade

A 70% win rate that barely turns a profit. One bad month of slightly larger losses or a temporary dip in win rate pushes this into negative territory. This illustrates why a high win rate alone is not enough.

R-Multiples: A Professional Tracking System

Van Tharp popularized the concept of R-multiples as a standardized way to measure trade performance. "R" represents your initial risk on a trade. Every outcome is then expressed as a multiple of that risk:

  • A trade where you risk $100 and make $250 = +2.5R
  • A trade where you risk $100 and lose $100 = -1R
  • A trade where you risk $100 and make $50 = +0.5R
  • A trade where you risk $100 and lose $60 (partial stop) = -0.6R

Why R-Multiples Matter

R-multiples normalize your performance across different position sizes and account stages. Whether you risk $50 or $500, a +2R trade is a +2R trade. This allows you to:

  1. Compare performance across time, Your results from when you had a $5,000 account are directly comparable to when you have a $50,000 account.
  2. Calculate true expectancy, Sum all R-multiples and divide by the number of trades.
  3. Identify patterns, Are your losses consistently -1R (disciplined stops) or do you see -2R and -3R losses (poor stop discipline)?
  4. Set performance benchmarks, Professional traders aim for a positive average R-multiple, typically between +0.2R and +0.5R per trade.

Most trading educators and professional traders recommend a minimum RRR of 1:2 for the following reasons:

  1. Mathematical forgiveness, At 1:2, you only need to win 34% of trades to break even. Most tested strategies achieve 40-55% win rates, providing a comfortable profit margin.

  2. Psychological cushion, Losing streaks are inevitable. At 1:2, you can lose 6 out of 10 trades and still be profitable. This cushion reduces the emotional pressure to "win every trade."

  3. Account growth, A 45% win rate at 1:2 generates meaningful equity growth over time. The same win rate at 1:1 produces marginal returns that can be wiped out by a few extra losses.

  4. Compensation for costs, Spreads, commissions, and slippage eat into your actual RRR. A planned 1:2 might become 1:1.7 after costs. Starting higher gives you a buffer.

However, RRR is not one-size-fits-all. Scalpers may trade at 1:1 or even 1:0.8 with win rates above 65%. Swing traders might hold for 1:3 or 1:5 with lower win rates. The key is that your RRR and your win rate must combine to produce positive expectancy.

Putting It All Together: A Complete RRR Assessment

Before entering any trade, run through this RRR checklist:

  1. Identify your stop loss level based on market structure or ATR (covered in Lesson 4).
  2. Identify your take profit level based on the next significant structure zone.
  3. Calculate the pip distance for both stop and target.
  4. Divide reward by risk to determine the RRR.
  5. If the ratio is below 1:1.5, skip the trade. The math is not in your favor.
  6. If the ratio is 1:2 or above, proceed to position sizing.
  7. After the trade closes, record the actual R-multiple (not the planned one).

Over time, your journal of actual R-multiples becomes the most valuable data you own. It tells you, with mathematical precision, whether your trading is generating enough reward relative to the risk you are taking.

Common Mistakes in R:R Assessment

  1. Unrealistic take-profit targets, Setting a take profit at 200 pips to claim a "1:4 ratio" when the price has no realistic reason to reach that level. Your take profit must align with market structure, not wishful thinking.

  2. Moving stop losses further away, Widening your stop to avoid being stopped out destroys your RRR and increases your actual risk beyond what you planned.

  3. Ignoring partial closes, If you close half your position at 1R profit and the remainder at 2R, your actual average is 1.5R, not 2R. Track your real outcomes.

  4. Not accounting for frequency, A 1:5 trade that sets up once a month generates less total profit than a 1:2 trade that sets up three times a week, even though the per-trade ratio is worse.

  5. Confusing planned RRR with actual RRR, Your planned ratio means nothing if you consistently exit early or move your targets. Track actual results, not intentions.

Key Takeaways

  • Risk-to-reward ratio (RRR) measures the potential profit relative to potential loss on each trade. A 1:2 ratio means risking $1 to potentially make $2.
  • Breakeven win rate decreases as RRR increases. At 1:2, you need to win only 33.3% of trades to break even. At 1:3, only 25%.
  • Expectancy combines win rate and RRR into a single profitability measure. Positive expectancy means your system makes money over time; negative expectancy means it loses money regardless of any short-term wins.
  • R-multiples standardize trade performance by expressing every outcome as a multiple of initial risk. Track all trades in R for consistent performance measurement.
  • A minimum 1:2 RRR is recommended for most trading styles because it provides mathematical and psychological room for losing streaks.
  • Your planned RRR must be realistic. Take-profit levels should be based on market structure, not arbitrary targets chosen to inflate the ratio on paper.

This lesson is for educational purposes only. It does not constitute financial advice. Trading forex involves significant risk of loss and is not suitable for all investors.

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