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Arbitrage Guide

Checks whether the sum of implied probabilities is below 100% and allocates the stake. This guide explains what to enter, the calculation logic, a worked example and how to read the result.

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1Open Arbitrage and start from the pre-filled example or your own data.
2Enter the requested odds, stake and any additional parameters.
3Run the calculation and check the main output first.
4Compare the detailed values or scenarios before changing one input at a time.
⌨️ What to enter

What to enter

Total stake100
Odds (comma-separated)2.10,2.10
CurrencyEUR
👀 Example

Try it like this

Odds 2.10 and 2.10 with €100 total stake give €50 per outcome, €105 return and €5 theoretical profit.

💡 What it means

Read the result

The result shows the mathematical output of Arbitrage using the values you entered. Read the headline value first, then use the breakdown to understand how stake, odds and scenarios contribute to it.

🧠 Formula / logic

How it works

Theoretical arbitrage if Σ(1/odds_i) < 1

💡 Only the outcomes entered in the calculator are covered. Check uncovered outcomes before treating the result as a complete hedge.

⚠️ Common mistakes

Entering odds, percentages or stake in the wrong field.

Treating the output of Arbitrage as a prediction instead of a calculation based on the inputs.

❓ FAQ

Do I need to know the formula for Arbitrage?

No. The formula is shown for transparency; the calculator performs the calculation from the entered values.

Does the result tell me what to bet?

No. It is a mathematical result, not a betting recommendation.

Can I change the example values?

Yes. Start with the example, then change one value at a time to see how the result changes.