Win rate calculator
Win rate is the share of closed trades that finished positive, written as a percentage. Divide the count of wins by the count of all closed trades and multiply by one hundred. Twelve wins out of forty closed trades gives 30%. The figure counts outcomes only — it carries no information about how large any win or loss was.
Calculate
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The formula
win rate = (wins ÷ total closed trades) × 100
The loss share shown beside it is derived by subtracting the rounded result from one hundred, rather than by a second division, so the two figures always sum to exactly one hundred.
Worked example
A record of 12 winning trades and 28 losing trades:
- total trades = 12 + 28 = 40
- 12 ÷ 40 = 0.3
- 0.3 × 100 = 30.00% win rate
- 100 − 30.00 = 70.00% loss rate
Illustrative figures, not a result from any account.
What a given win rate does and does not justify
There is no good or bad win rate in isolation, and any source quoting one without a risk-to-reward figure beside it is quoting half a number. A record winning 30% of its trades can finish ahead if its wins are several times the size of its losses. A record winning 70% can finish behind if its losses are larger than its wins.
The useful comparison is against the breakeven win rate implied by the risk-to-reward ratio actually being used. That is what makes these two calculators a pair rather than two unrelated tools.
What win rate does not tell you
- Nothing about the size of any individual result, so it cannot say whether a record gained or lost.
- Nothing about the order of results, so it hides losing streaks entirely.
- Nothing about costs. Spread, commission and swap are already inside each result, or they are missing from it.
- Nothing about whether the sample is large enough to mean anything. Forty trades is a small number.
Questions
What counts as a win?
A closed trade whose result after costs is above zero. A trade closed at exactly breakeven is neither a win nor a loss, and including it in either count will shift the percentage slightly — decide once and apply it consistently across the record.
Is a higher win rate always better?
No. Win rate ignores the size of each result, so it can rise while a record loses ground, usually by cutting winners early and letting losers run. Read it next to risk-to-reward, never alone.
How many trades do I need before the number means anything?
More than most people assume. A handful of trades produces a percentage that moves by tens of points with one more result, so early figures describe the sample rather than the approach.
Do the win rate and loss rate always add up to 100?
On this page, yes. The loss share is derived by subtracting the rounded result from one hundred, so the two displayed figures always sum to exactly one hundred. Two separately rounded divisions sometimes do not.
Related
Risk/reward calculator — It gives the breakeven win rate a ratio requires — the figure this one should be read against.
GoldenRock Analyser — computes this metric from recorded MT4 and MT5 trading history rather than from figures typed by hand. GoldenRock Analyser is an authenticated GoldenRock feature currently not enabled for general public access.
Position sizing and risk management — the decision this arithmetic does not make for you.
Risk disclosure — educational content only, not investment advice.