A winning market paid slightly less than the price promised, and a new player wants to know what the desk charges. Both questions have the same short answer. What commission is, which bets it touches, and who is paid from it.
The powerplay is the loudest part of an exchange market. This post describes what moves match odds and session lines in the first six overs and why those moves are usually larger than the result justifies. Mechanics only, no view on any side.
Players change exchanges in the middle of a season more often than they expect to, usually for one concrete reason. This note sets out how the desk moves a login across without stranding a balance or an open bet.