Opening Line
Definition
The initial odds or spread set by bookmakers when a market first opens. Often considered the 'sharpest' line before public betting influences it.
Example
The game opened at Chiefs -2.5 before moving to -3.5.
Related terms
Decimal Odds
The most common odds format globally. Represents the total return (including stake) for a winning bet. Used throughout the EVSignals API.
American Odds
Odds format common in the US. Positive odds (+150) show profit on a $100 bet. Negative odds (-150) show the stake needed to profit $100.
Moneyline (ML)
A bet on which team will win outright, with no point spread involved. The favorite has lower payout odds while the underdog has higher odds.
Spread / Point Spread
A handicap applied to level the playing field between teams. The favorite must win by more than the spread; the underdog can lose by less than the spread or win outright.
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