Sports Arbitrage Calculator

Scope of this calculation

Arbitrage margin answers the narrow Sports Arbitrage question from Total amount to allocate and Side A decimal odds. Allocate stakes across two mutually exclusive outcomes and estimate locked return.

Executable prices, stake limits, commission, and timing determine whether the two-sided allocation is available.

What each entry represents

For arbitrage margin, Side B decimal odds represents best available decimal price for side B.

In the current scenario, do not copy a sample default into a live case without checking its source.

At this stage, supporting rows should reconcile with the same entries as the headline.

Keep this result intact and evaluate straight bet payout on Straight Bet Payout; the linked result has a different interpretation.

Where input quality can fail

Recalculate both stakes when either price moves. An old split no longer locks the same return.

For this market, use an executable price for the exact selection and stake, not an earlier screenshot or an unavailable best quote.

Reproducing the method

The displayed rule is arbitrage exists when 1 ÷ odds A + 1 ÷ odds B is below 1.

For the Sports Arbitrage Calculator, the page applies arbitrage exists when 1 ÷ odds A + 1 ÷ odds B is below 1. Every numeric term comes from a displayed field.

Use Side A decimal odds in the Sports Arbitrage Calculator only as described here: best available decimal price for side A.

Do not combine statistics from different periods merely because they use the same unit. Their market scope also has to match. Keep the compared line fixed while making that check.

At this stage, practical comparison begins after current values replace worked inputs.

To compare free bet conversion separately, open the Free Bet Conversion after saving this baseline.

From output to market comparison

• Keep stake fixed and compare the accepted price with one realistic adverse quote.
• For promotions or hedges, test the actual eligible maximum.
• Do not change multiple prices when identifying the source of a return difference.

Where the method can break

• Limits, void rules, timing, and account restrictions can prevent execution.
• Under the entered assumptions, review promotion terms, limits, push treatment, void rules, and whether stake is returned before comparing profit.
• For this market, a value from another event may use the correct unit while answering a different question.

Preserve the baseline

At this stage, keep source revisions and market moves as different update reasons.

Testing whether the conclusion is stable

Use a baseline case to represent the most supportable values, not the most favorable outcome. Place a defensible estimate in Total amount to allocate, document Side A decimal odds, and calculate Arbitrage margin. Build optimistic and cautious versions afterward, each with a note identifying the evidence that justified the change.

Practical questions