Spread: Bruins (-3.5)

In the NHL game, scheduled for April 21 at 7:30 PM ET: This market will resolve to "Bruins" if the Bruins win the game by 4 or more goals. Otherwise, this market will resolve to "Sabres". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. The result will be determined based on the final score including any overtime periods and shootouts. In the event of a shootout, one goal will be added to the winning team's score for the purpose of resolution.

Source: official resolution criteria from Polymarket. Always verify on the source page before trading.