Football bet settlement
Why are the odds on my same-game multi lower than multiplying each leg?
Direct answer
The outcomes are correlated, so the operator prices their joint probability rather than multiplying independent decimal odds.
How to use this answer
This answer is based on the mathematical principle or published rule identified in the source below. If the question involves a live betting market, confirm its settlement definition before applying it to a specific bet.
For player, card and corner markets, the exact selection type matters. A singles rule is not automatically the same as a bet-builder rule; use the market definition and the settlement source for the operator shown on your slip.