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Betfair offers exchange sports betting. There, you always have 5 seconds to cancel an order even after it's match, and they suspend trading near a major event,
by evandijk70 14y ago
Betfair offers exchange sports betting. There, you always have 5 seconds to cancel an order even after it's match, and they suspend trading near a major event, like a goal in a football match. This seems to work quite well.
- moconnor 14y agoSo cancellations made immediately before e.g. a goal are rolled back? Otherwise that sounds exploitable, as the probability of a goal increases dramatically before the goal takes place.