Tag: xm

The distorting impact of XM on Tennis

I was trying to think of a better headline, but that will have to do!

XM means ‘cross matching’ and while I was trading some of the activity in the pre-off markets this evening on the US Open Tennis men’s final I switched it on and off to have a look underneath the main market. Cross matching is the complicated, in most cases unnecessary, process that Betfair uses to offer bets on both sides of the market. On Tennis, being …