NBA Division underdogs: Boston Celtics: ATS Record Since 2007-08
Getting points against a division rival. 86 team-games since 2007-08.
Against the spread: 46-40 (53.5%)
Straight up: 36-50 (41.9%)
Over/under: 38-47-1 (44.7% overs)
Average cover margin: 2.2 points
Is it real?
A bettor with no edge makes this much profit about 1 in 2 times, so it is consistent with luck. 2008-2016: 20-18 (52.6%); 2017-2026: 26-22 (54.2%). Break-even at -110 is 52.4%.
By season
| Season | ATS | Cover % |
|---|---|---|
| 2026 | 2-2 | 50.0% |
| 2023 | 4-0 | 100.0% |
| 2022 | 3-2 | 60.0% |
| 2021 | 3-9 | 25.0% |
| 2020 | 5-1 | 83.3% |
| 2019 | 2-3 | 40.0% |
| 2018 | 7-3 | 70.0% |
| 2017 | 0-2 | 0.0% |
| 2016 | 0-2 | 0.0% |
| 2015 | 3-1 | 75.0% |
| 2014 | 5-6 | 45.5% |
| 2013 | 7-5 | 58.3% |
| 2012 | 2-4 | 33.3% |
| 2011 | 1-0 | 100.0% |
| 2009 | 1-0 | 100.0% |
| 2008 | 1-0 | 100.0% |
Questions
What is the ATS record of NBA division underdogs for the Boston Celtics?
46-40 against the spread (53.5%) in 86 team-games since 2007-08, 36-50 straight up and 38-47-1 on the over/under.
Is this trend likely to be luck?
A bettor with no edge makes this much profit about 1 in 2 times, so it is consistent with luck.
Did it hold up?
2008-2016: 20-18 (52.6%); 2017-2026: 26-22 (54.2%).