What Opening Line means
The opening line is the very first price a sportsbook posts for an event, before any real betting volume has had a chance to move it. Opening lines are typically set by a small handful of market-making sportsbooks with dedicated pricing teams, and most other books quickly copy or lightly adjust that number rather than setting their own from scratch. Sharp bettors pay close attention to opening lines specifically because that's the moment before the market has "corrected" for anything - making it the highest-risk, highest-reward window to bet into.
Key points
- The opening line is the very first price a sportsbook posts for an event, before any real betting volume has had a chance to move it.
- Opening lines are typically set by a small handful of market-making sportsbooks with dedicated pricing teams, and most other books quickly copy or lightly adjust that number rather than setting their own from scratch.
- Sharp bettors pay close attention to opening lines specifically because that's the moment before the market has "corrected" for anything - making it the highest-risk, highest-reward window to bet into.
Example and context
Opening lines are typically set by a small handful of market-making sportsbooks with dedicated pricing teams, and most other books quickly copy or lightly adjust that number rather than setting their own from scratch.
Related glossary terms
These terms sit in the same part of the betting vocabulary and are useful to read next.
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