Odds are via sportsoddshistory or basketball reference.

https://www.basketball-reference.com/playoffs/series.html

https://www.sportsoddshistory.com/nba-playoffs-series/?y=0000&o=s

If all 15 series are won by the favorite resolves to the smallest favorite.

If tied resolves 50/50.

Historical data:

2025: NYK (3) vs BOS (2): +550

2024: IND (6) vs NYK (2): +220

2023: MIA (8) vs MIL (1): +750

2022: DAL (4) vs UTA (5): +245

2021 (tie) : MIL (3) vs BKN/PHX (2): +160

2020: DEN (3) vs LAC (2): +850