Horse Racing Market Movers
Steamer - Selections in a betting market that have been well backed, causing the odds to shorten
Drifter - Selections in a betting market whose odds have lengthened, suggesting they have not been backed or the odds were too short
Best Book - A list of betting markets which have the lowest over-round or book percentage figure, therefore the best margin for the punter
Top Differences - Selections in a betting market with the highest odds variance between different bookmakers
Mover - Selections in a betting market with the biggest odds cuts by individual bookmakers
*The Average Market Share Swing reflects the impact of betting moves on a particular market. The percentage figure is the increased (steamer) or decreased (drifter) market share for that selection. The effect of non-runners is included in this figure