What This Assured Edge Calculator Does

FeatureDescription
2-Way ArbitrageFor two outcomes (e.g., Tennis, Basketball winner)
3-Way ArbitrageFor three outcomes (e.g., Soccer 1/X/2)
Arbitrage PercentageBelow 100% = guaranteed profit opportunity
Optimal StakesHow much to bet on each outcome
Guaranteed ProfitRisk-free profit regardless of outcome
ROI CalculationReturn on total stake
Probability DisplayImplied probability from odds

The Arbitrage Formula

Arbitrage Percentage:

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Arb % = (1 / Odds₁ + 1 / Odds₂ + ...) × 100

If Arb % < 100% → Arbitrage Opportunity exists!

Stake Calculation:

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Stake for Outcome = (Total Stake × (1 / Odds)) / Arb%

Example Calculation

2-Way Arbitrage Example:

OutcomeOddsImplied Probability
Team A Win2.1047.62%
Team B Win2.0548.78%
CalculationResult
Arb %96.40%
Total Stake$1,000
Stake on Team A$459.05
Stake on Team B$470.24
Guaranteed Return$963.95
Guaranteed Profit$36.05 (3.6% ROI)

3-Way Example (Soccer)

OutcomeOddsImplied Probability
Home Win2.1047.62%
Draw3.4029.41%
Away Win3.2031.25%
CalculationResult
Arb %108.28%
No arbitrage(Above 100% = No profit)

How to Use

  1. Select Mode — 2-Way or 3-Way
  2. Enter Odds — Decimal odds from different bookmakers
  3. Set Total Stake — How much you want to risk
  4. Check Arb % — If below 100%, you have a guaranteed profit
  5. View Stakes — How much to bet on each outcome
  6. See Profit — Risk-free return amount

Interpreting Results

Arb %Meaning
< 95%Excellent arbitrage opportunity
95% – 99%Good arbitrage opportunity
99% – 100%Small profit opportunity
100%Break-even
> 100%No arbitrage (potential loss)

Important Notes

WarningDescription
Account LimitsBookmakers may limit arbitrage bettors
Speed MattersOdds change quickly
Minimum StakesCheck minimum bet requirements
Market SuspensionOdds may be voided
Tax ImplicationsProfits may be taxable

Keyboard Shortcuts

  • Ctrl/Cmd + Enter — Recalculate
  • Ctrl/Cmd + R — Reset to defaults

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