Created
September 7, 2025 15:07
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Sports Betting Arbitrage Calculator (JS)
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| <!DOCTYPE html> | |
| <html lang="it"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Arbitrage Calculator</title> | |
| <style> | |
| body { | |
| font-family: Arial, sans-serif; | |
| padding: 20px; | |
| } | |
| label { | |
| display: block; | |
| margin-top: 10px; | |
| } | |
| input { | |
| margin-top: 5px; | |
| padding: 5px; | |
| width: 100px; | |
| } | |
| button { | |
| margin-top: 15px; | |
| padding: 10px 20px; | |
| } | |
| #result { | |
| margin-top: 20px; | |
| padding: 10px; | |
| white-space: pre-line; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Arbitrage Calculator</h1> | |
| <label>Bankroll (EUR): | |
| <input type="number" id="bankroll" value="10" step="0.01"> | |
| </label> | |
| <label>Quote 1: | |
| <input type="number" id="odds1" value="0" step="0.01"> | |
| </label> | |
| <label>Quote 2: | |
| <input type="number" id="odds2" value="0" step="0.01"> | |
| </label> | |
| <label>Quote 3 (optional, leave 0 for 2-way arbitrage): | |
| <input type="number" id="odds3" value="0" step="0.01"> | |
| </label> | |
| <button onclick="calculateArbitrage()">Calculate</button> | |
| <div id="result"></div> | |
| <script> | |
| function calculateArbitrage() { | |
| const bankroll = parseFloat(document.getElementById('bankroll').value); | |
| const odds1 = parseFloat(document.getElementById('odds1').value); | |
| const odds2 = parseFloat(document.getElementById('odds2').value); | |
| let odds3 = parseFloat(document.getElementById('odds3').value); | |
| if (!odds3) odds3 = 0; | |
| const resultDiv = document.getElementById('result'); | |
| if (odds3 === 0) { | |
| resultDiv.textContent = arbitrageTwo(odds1, odds2, bankroll); | |
| } else { | |
| resultDiv.textContent = arbitrageThree(odds1, odds2, odds3, bankroll); | |
| } | |
| } | |
| function arbitrageTwo(odds1, odds2, bankroll, minBet = 1) { | |
| const inv1 = 1 / odds1; | |
| const inv2 = 1 / odds2; | |
| const arb = inv1 + inv2; | |
| if (arb >= 1) return "No arbitrage..."; | |
| const stake1 = bankroll * (inv1 / arb); | |
| const stake2 = bankroll * (inv2 / arb); | |
| if (stake1 < minBet || stake2 < minBet) return "The calculated bets are lower than the minimum bet."; | |
| const payout = stake1 * odds1; | |
| const profit = payout - (stake1 + stake2); | |
| return `Bet ${stake1.toFixed(2)} on quote ${odds1} | |
| Bet ${stake2.toFixed(2)} on quote${odds2} | |
| Profit: ${profit.toFixed(2)}`; | |
| } | |
| function arbitrageThree(odds1, odds2, odds3, bankroll, minBet = 1) { | |
| const inv1 = 1 / odds1; | |
| const inv2 = 1 / odds2; | |
| const inv3 = 1 / odds3; | |
| const arb = inv1 + inv2 + inv3; | |
| if (arb >= 1) return "No arbitrage..."; | |
| const stake1 = bankroll * (inv1 / arb); | |
| const stake2 = bankroll * (inv2 / arb); | |
| const stake3 = bankroll * (inv3 / arb); | |
| if (stake1 < minBet || stake2 < minBet || stake3 < minBet) return "The calculated bets are lower than the minimum bet."; | |
| const payout1 = stake1 * odds1; | |
| const payout2 = stake2 * odds2; | |
| const payout3 = stake3 * odds3; | |
| const avgPayout = (payout1 + payout2 + payout3) / 3; | |
| const profit = avgPayout - (stake1 + stake2 + stake3); | |
| return `Bet ${stake1.toFixed(2)} on quote ${odds1} | |
| Bet ${stake2.toFixed(2)} on quote ${odds2} | |
| Bet ${stake3.toFixed(2)} on quote ${odds3} | |
| Profit: ${profit.toFixed(2)}`; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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