Drift
When the odds of a horse increase. A drifter is, for example, a horse that is opened at $2.00 but is unfavoured by investors, so its odds are increased to say $4.00 in an effort to attract investors. Drifting is also known as easing.

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When the odds of a horse increase. A drifter is, for example, a horse that is opened at $2.00 but is unfavoured by investors, so its odds are increased to say $4.00 in an effort to attract investors. Drifting is also known as easing.