Why Do Horse Racing Odds Change Before a Race?
At breakfast, a horse is available at 8/1. By the time the race is about to start, the price is 4/1. Why? Sometimes money is moving; sometimes new information about the race has emerged. Bookmakers adjust their prices as betting activity and race-day conditions change. But even a dramatic move cannot tell you which runner will win. What Does It Mean When Horse Racing Odds Shorten or Drift? Odds shorten when a price moves from 8/1 to 4/1; they drift when it moves from 4/1 to 8/1. A horse that shortens noticeably is known as a steamer, while one whose
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