Use home, draw and away prices for the same match, timestamp and settlement rules. This calculator assumes 90 minutes plus stoppage time, excluding extra time and penalties. Margin removal estimates probabilities; it cannot prove that the market is right.
A team +0.5 handicap and double chance on that team settle alike, as do a zero handicap and draw no bet under matching rules. Their offered prices can differ. Football Return Atlas uses recorded prices for the markets it shows; these calculated odds do not create an executable historical DNB or double-chance record.
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