Definition
A sudden, uniform line move across many sportsbooks at once, driven by a wave of coordinated sharp betting. Steam reflects fast-moving consensus among professional bettors.
Related terms
- Sharp vs Square Money — Sharp money is from winning professionals; square (public) money is casual. Lines moving against the public usually signal sharp action.
- Line Movement — How a price shifts from the opening line to the close as money comes in. The basis for CLV and steam/RLM signals.