Multi-Lay Calculator

Enter one bookmaker back bet and two or more mutually exclusive lay outcomes from the same exchange market. The calculator determines the stake required for every lay outcome.

Shared exchange market

The lay bets are treated as mutually exclusive selections in one exchange market. The required exchange balance is the largest possible market loss, not the sum of every individual liability.

Bookmaker Back Bet

Back Stake (£)

Back Odds

Exchange Commission (%)

Lay Type

Standard Lay

Calculates the lay stakes so the final result is balanced across every possible outcome.

Underlay

Splits the bookmaker back stake between all lay outcomes. The sum of the lay stakes always equals the back stake.

Lay Outcomes

Enter the name and exchange lay odds for every mutually exclusive outcome.

Outcome 1

Outcome Name

Lay Odds

Outcome 2

Outcome Name

Lay Odds

Complete the back bet and at least two lay outcomes to calculate the lay stakes.