The Puck Line Guide: Hockey's 1.5-Goal Spread
A -1.5 puck line needs the selected team to win by two or more goals. A +1.5 selection can win outright or lose by one. Those are different events from a moneyline win, so their prices cannot be compared without a margin distribution.
Read the scoring and settlement scope
Record whether the contract covers regulation only or includes overtime, and how shootout results enter settlement. A -0.5 selection is equivalent to a selected-team win only when the moneyline uses exactly the same outcome and settlement scope. A regulation -0.5 line is not interchangeable with an overtime-inclusive winner market.
Let M be the selected team’s settled goal margin. For -1.5, success means M ≥ 2; for +1.5, success means M ≥ −1. A game’s absolute margin does not identify which pregame side covered. Historical studies must retain the selected side and price.
Compare moneyline and puck-line expectations
Hypothetical assumptions: a team wins with probability 60%; conditional on winning, its chance of a multi-goal margin is 55%. Its unconditional -1.5 cover probability is 0.60 × 0.55 = 33%. At an assumed +200 puck-line price, break-even is 33.3333% and net EV per unit is 0.33 × 3 − 1 = −1.00%.
At an assumed -140 moneyline, break-even is 58.3333%; with the same 60% win estimate, net EV is 0.60 × (1 + 100/140) − 1 = +2.8571%. These examples exclude pushes, voids, and costs. The higher puck-line payout does not imply a higher expected return.
An empty-net goal can turn a one-goal lead into a two-goal final margin. It is part of the observed game, not an artificial cover. Its probability belongs in the forecast; it does not justify adding an unsupported fixed adjustment to every favorite.
Study home and away claims with matched data
To compare home and away coverage, define seasons, price bands, operators, quote times, and settlement scope. Different opponent strength and price mixes can produce different aggregate rates without a venue effect. Report uncertainty and returns at recorded prices before interpreting a gap.
The previous margin, home/away, and heavy-favorite tables lacked a reproducible dataset and are removed. This guide also establishes no predictable mapping from moneyline price to puck-line price: different score distributions can have the same chance of a win but different chances of winning by two.
Continue reading: The Empty-Net Factor · Implied Probability.
Frequently Asked Questions
Does a 60% win probability mean a 60% chance to cover -1.5?
No. Covering -1.5 is a subset of winning. In the hypothetical example, multiplying 60% by a 55% conditional multi-goal share gives 33%.
Is -0.5 always the same as the moneyline?
Only when both contracts settle on the same selected-team win and have identical regulation, overtime, and shootout scope.
Do home teams offer an automatic puck-line advantage?
No. A comparison needs matched samples, prices, settlement rules, and uncertainty. No universal home/away cover-rate difference is established here.