Direct answer: what “risk-to-reward” means in forex
Risk-to-reward (often written as R:R) is a comparison of two distances measured from your planned entry price:
- Risk: the distance from entry to the level that would end the trade (the stop-loss level).
- Reward: the distance from entry to the level you plan to exit for a profit (the take-profit level).
In a simple form, you determine it as:
R:R = Reward distance / Risk distance
This lets you state, for example, that your planned reward is larger than your planned risk, or smaller than it.
Mechanics: how to calculate it step by step
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Choose the exact reference price for both sides of the comparison. Use the same entry price for risk and reward measurements. In forex, this is usually the price you expect to enter the position at.
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Set the two levels you will measure from.
- Stop-loss level: where you would accept that the trade idea is wrong.
- Take-profit level: where you would exit if the trade idea plays out as expected.
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Measure distances in price terms (not in money terms). For a long position, the distances can be measured as:
- Risk distance = entry price − stop-loss price
- Reward distance = take-profit price − entry price
For a short position, you use the direction consistently so both distances come out as positive magnitudes.
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Compute the ratio. Divide reward distance by risk distance.
Important consistency checks
- The risk distance must be positive and non-zero; otherwise the ratio is meaningless.
- The reward distance should be measured to the planned exit level in the direction of the trade.
- Use the same unit for both distances (for example, both in pips or both as raw price differences). The ratio itself will be the same when units are applied consistently.
Example and independent checks
Simple example (ratio only)
Assume your entry price is in the middle, with:
- stop-loss at a level 10 units away (risk distance = 10)
- take-profit at a level 30 units away (reward distance = 30)
Then:
- R:R = 30 / 10 = 3:1
This means reward distance is three times the risk distance based on your chosen levels.
Checks that reduce mistakes
- Sign check: distances should represent magnitudes, not negative values created by direction errors.
- Distance alignment: both stop and target should be measured from the same entry.
- Sanity bounds: if the ratio changes dramatically after a tiny adjustment to one level, re-check whether you used the correct stop or target price.
Limitations and risks you can verify yourself
Risk-to-reward is a planning metric, not a guarantee.
Key limitations include:
- Market movement uncertainty: even with a favorable R:R, price may move against the position.
- Execution and intraday variability: real fills may not occur at the exact intended entry, stop, or target levels.
- Transaction costs and spread effects: costs can reduce realized performance relative to what the ratio suggests; the ratio by itself does not include these costs.
- Position sizing matters for outcomes: the same R:R can produce different profit/loss in account currency depending on lot size.
Independent verification method: compute R:R using only the three chosen prices (entry, stop, target) and confirm that the ratio matches the intended direction and that the stop distance is non-zero. Then consider whether execution assumptions could differ from the plan.
Because these calculations rely on your specified levels, any change to entry, stop, or target changes the risk-to-reward ratio.