Trader consensus on Polymarket prices the Boston Celtics as Eastern Conference favorites at 36% implied probability to reach the NBA Finals, prioritizing their playoff pedigree and depth over the standings-leading Detroit Pistons (13.5%), whose young roster remains unproven in postseason series despite clinching the No. 1 seed at 54-21. The Celtics (50-24, No. 2 seed locked) surged with key wins on March 31, solidifying home-court advantage through the conference semis, while Cleveland Cavaliers (47-28, No. 4) and New York Knicks (48-27, No. 3) hold strong at 18.5% and 15.5% amid healthy rosters and favorable schedules. Recent clinchings and minimal injury disruptions underscore a competitive top-four race as the April 18 playoffs near.