Celtics vs. Pistons prediction, odds and best bet for Oct. 20, 2026

The Boston Celtics are favored to beat the Detroit Pistons on Tuesday, according to Dimers' NBA pregame model.

Our Celtics vs. Pistons prediction gives Boston a 56.4% chance of winning at Little Caesars Arena, with the latest odds also suggesting value in betting on the Celtics to win.

Celtics vs. Pistons: Key predictions

• Celtics win probability: 56.4%
• Pistons win probability: 43.6%
• Celtics -1.5 spread: 51.0% cover probability
• Under 220.5 points: 50.3% probability

Dimers' NBA pregame model estimates how many points each team is likely to score, accounting for factors such as recent player performance, each team's strengths and weaknesses, projected playing time, player availability, and home-court advantage.

These projections power our NBA predictions, which show the probability of each team winning, covering the spread, and the total points going over or under the betting line.

Predictions last updated: October 20, 2026, at 3:06 PM ET.

Celtics vs. Pistons odds

These are the best available odds for Tuesday's game across sportsbooks and prediction markets monitored by Dimers.

• Celtics moneyline: -115 (BetMGM)
• Pistons moneyline: +105 (BetMGM)
• Celtics -1.5: -110 (BetMGM)
• Pistons +1.5: -105 (Caesars Sportsbook)
• Over 220.5 points: -110 (DraftKings)
• Under 220.5 points: -105 (BetMGM)

Odds are subject to change and may vary by location.

Best value bet: Celtics moneyline (-115)

With Boston favored to beat Detroit, Dimers' top value bet is the Celtics moneyline at -115, available at BetMGM.

Those odds imply the Celtics have a 53.5% chance of winning, while our model puts that probability at 56.4%.

That's a 2.9% edge in the Celtics' favor, the largest across the moneyline, spread, and total points markets based on Dimers' probabilities and the best available odds.

Celtics vs. Pistons player projections

While Dimers' NBA pregame model predicts team-level outcomes, our separate NBA player props model projects individual player performance across points, rebounds, assists, and more, accounting for recent form, expected minutes, injuries, lineups, and defensive matchups.

Cade Cunningham leads Dimers' scoring projections for this matchup, with the Pistons star also projected to record 4.7 rebounds and 8.7 assists. The Celtics have three players among the top five projected scorers, compared to the Pistons's two.

Top five projected scorers

• Cade Cunningham (Pistons): 23.1 points
• Jayson Tatum (Celtics): 23.0
• Jalen Duren (Pistons): 16.2
• Payton Pritchard (Celtics): 16.0
• Derrick White (Celtics): 14.8

Projections across all major stat categories are available for every player expected to take the court on our NBA player projections page.

These are statistical projections, not betting recommendations. Compare them with available odds to assess potential value.

Unlock all Celtics vs. Pistons predictions with Dimers Pro

Get the complete picture for Tuesday's matchup with Dimers Pro, including:

• Recommended bets for the moneyline, spread, and total points markets.
• Points, rebounds, and assists projections for players on both teams.
• High-value player props across points, rebounds, assists, three-pointers, steals and blocks markets.

See our full range of Celtics vs. Pistons predictions with Dimers Pro.

Celtics vs. Pistons game details

• Matchup: Boston Celtics vs. Detroit Pistons
• Date: Tuesday, October 20, 2026
• Time: 3:00 PM ET/12:00 PM PT
• Venue: Little Caesars Arena

About this prediction

This preview uses predictions from Dimers' proprietary NBA models, presented through a human-written template. Matchup-specific information is populated automatically.

Predictions are estimates, not guarantees, and may change as new information becomes available. Learn more about how Dimers predictions work.

Dimers encourages responsible gambling.