Win Rate Profit Calculator

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Win Rate Profit Calculator

Calculate the potential net profit of a trading or betting strategy based on win percentage, average wins, and average losses over a series of trades.

The percentage of trades that are profitable.
function calculateWinRateProfit() { var totalTradesStr = document.getElementById('totalTradesInput').value; var winRateStr = document.getElementById('winRateInput').value; var avgWinStr = document.getElementById('avgWinInput').value; var avgLossStr = document.getElementById('avgLossInput').value; var resultDiv = document.getElementById('wrpResult'); var totalTrades = parseInt(totalTradesStr); var winRate = parseFloat(winRateStr); var avgWin = parseFloat(avgWinStr); var avgLoss = parseFloat(avgLossStr); if (isNaN(totalTrades) || totalTrades <= 0 || isNaN(winRate) || winRate 100 || isNaN(avgWin) || avgWin < 0 || isNaN(avgLoss) || avgLoss 0) { profitFactorTxt = (totalGrossProfit / totalGrossLoss).toFixed(2); } else if (totalGrossProfit === 0 && totalGrossLoss === 0) { profitFactorTxt = "0.00"; } // Calculate Expected Value per trade var evPerTrade = ((winRate/100) * avgWin) – ((1 – (winRate/100)) * avgLoss); var netProfitStyle = netProfit >= 0 ? 'color: #00a32a;' : 'color: #d63638;'; var profitFactorStyle = (parseFloat(profitFactorTxt) >= 1 || profitFactorTxt === "N/A (No Losses)") ? 'color: #00a32a;' : 'color: #d63638;'; var outputHtml = '

Profitability Results

'; outputHtml += 'Summary over ' + totalTrades + ' trades:'; outputHtml += '
    '; outputHtml += '
  • Winning Trades: ' + numWins + '
    • '; outputHtml += '
  • Losing Trades: ' + numLosses + '
    • '; outputHtml += '
  • Total Gross Profit: $' + totalGrossProfit.toFixed(2).replace(/\B(?=(\d{3})+(?!\d))/g, ",") + '
    • '; outputHtml += '
  • Total Gross Loss: -$' + totalGrossLoss.toFixed(2).replace(/\B(?=(\d{3})+(?!\d))/g, ",") + '
    • '; outputHtml += '
  • Net Profit/Loss: $' + netProfit.toFixed(2).replace(/\B(?=(\d{3})+(?!\d))/g, ",") + '
    • '; outputHtml += '
  • Profit Factor: ' + profitFactorTxt + ' (Gross Profit / Gross Loss)
    • '; outputHtml += '
  • Expected Value (EV) per Trade: $' + evPerTrade.toFixed(2) + '
    • '; outputHtml += '
'; if (netProfit 50) { outputHtml += 'Note: You have a winning win rate (>50%), but a net loss. This indicates your average losses are too high compared to your average winners (negative risk/reward ratio).'; } resultDiv.style.display = 'block'; resultDiv.innerHTML = outputHtml; }

Understanding Win Rate vs. Profitability

A common misconception in trading, poker, or sports betting is that a high win rate guarantees profitability. This is incorrect. You can win 80% of the time, but if your losses on the remaining 20% are catastrophic, you will still end up with a net loss.

Profitability is a function of both your Win Rate (how often you are correct) and your Risk/Reward Ratio (how much you win versus how much you lose on average). This calculator helps you combine these metrics to see the actual bottom-line result over a sample size of trades.

How to Interpret the Results

  • Net Profit: The final amount earned or lost after subtracting total gross losses from total gross profits.
  • Profit Factor: This metric is calculated by dividing your gross profit by your gross loss. A profit factor above 1.0 indicates a profitable strategy. A factor below 1.0 means the system is losing money. Professional traders often aim for a profit factor of 1.5 or higher.
  • Expected Value (EV) per Trade: This shows how much money you can expect to make (or lose) on average for every single trade placed, based on your win rate and average payouts. A positive EV is crucial for long-term success.

Realistic Example: The High Win Rate Trap

Imagine a trader using a "scalping" strategy. They win very frequently but take small profits, and occasionally suffer a large loss when a trade goes against them.

  • Total Trades: 100
  • Win Rate: 70% (Very high)
  • Average Profit per Win: $50
  • Average Loss per Loss: $150

If you input these numbers into the calculator, you will see that despite winning 70 out of 100 trades, the net result is a loss of -$1,000. The gross profit ($3,500) is completely wiped out by the gross losses ($4,500). This demonstrates why managing the size of your losses is just as important as how often you win.

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