Arbitrage Calculator

Find pricing inefficiencies between bookmakers and calculate the exact stake distribution to lock in a guaranteed profit.

FREEMarket Inefficiency

Why arbitrage exists

Bookmakers disagree on prices. When the total implied probability is below 100%, a guaranteed profit is possible no matter which outcome occurs.

1. Inputs

Enter decimal odds and your total stake

Market type

Bookmaker A

= 47.6% implied

Bookmaker B

= 50.0% implied

Fees & Taxes

Toggle to apply exchange commission or betting tax.

Find Arbitrage

Works best with decimal odds

2. Arbitrage Result
Arbitrage Found
Guaranteed profit locked in.
+2.44%
Guaranteed Return
Guaranteed Profit
+€24.39
No matter the outcome
ROI (Risk-Free)
2.44%
On total stake
Overround (After Fees)
97.62%
Market is efficient
Required Stakes
€1,000.00
Total to distribute
3. Stake Distribution
OutcomeOddsStakeReturn (after fees)
Outcome 1 (Home Win)
2.10
€487.80
48.8%
€1024.39
+€24.39
Outcome 2 (Away Win)
2.00
€512.20
51.2%
€1024.39
+€24.39
Total€1000.00€1024.39

Returns are nearly equal no matter which outcome wins.

Distribution
€1000Total Stake
Outcome 1 (Home Win)48.78%
Outcome 2 (Away Win)51.22%
4. Reality Check

Odds change quickly — act fast.

Bookmakers may limit or void bets.

Payout limits or void rules can reduce profit.

Withdrawals and fees lessen returns.

Arbitrage is about execution, not just numbers.

Always read bookmaker terms and conditions.

5. What This Means

You have found a pricing disagreement between bookmakers. By splitting your stake correctly, every possible outcome returns the same payout.

Different prices
Optimal stakes
Same payout
No matter which outcome wins, you profit.
6. Profit at Scale
Profit per €1,000 staked+€24.39
Profit per €5,000 staked (5x)+€121.95
Profit per €10,000 staked (10x)+€243.90
Profit per €50,000 staked (50x)+€1,219.51

Small edges + high volume = serious profit

8. Key Insights
Arbitrage isn't betting skill

It's identifying market inefficiencies created by pricing disagreements between books.

Small edges matter

A 2% risk-free return compounds massively when scaled with disciplined execution.

Execution is everything

Speed, limits, and accuracy separate winners from missed opportunities.

Odds and markets change. Always shop around and compare books.

Learn More
Next step

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