For example Betfair has 290 employees and an 80% of the xchange market with 30,000 regular customers whose average wager is $60
The strength of xchange model is the technology that drives it
Xchanges let people offer their own odds for a event. In most cases, the exchange is able to match each individual with someone taking a contrary view who accept the odds being offered.
It charges winning customers a commission ranging from 2 %to 5 % of their Winnings a bookmaker's margin might be substantially bigger. Losers pay no commission,
Sportsbooks will short their staff dramatically and only invest a fraction on their technology platform,when more than 70% of the shops start doing this they will part of the standard