The Celtics are 86¢ on Polymarket, up 5¢ from an 81¢ open, and the Bulls arrive 1-4 with Nic Claxton out (hamstring). Monday's meeting in Boston ended 134-99. This Bulls vs Celtics prediction covers Friday, October 30, at 7:30 PM ET.
Bulls and Celtics this season
Celtics: 3-1 this season, 0.2 wins above what prices expected, against the 26th-toughest schedule (Expected, season to Oct 29)
Bulls: Powell 25%, Wilson 21%, Buzelis 17% of listed Bulls points in their last game (NBA USAGE, Kalshi, Oct 28 8:30 AM)
Price: Celtics 86¢, Bulls 14¢ (Polymarket, as of Thu 3:43 PM ET)
Kalshi: Celtics 85¢, Bulls 14¢
Game total: 214.5 points (higher 50¢, lower 50¢)
2027 title price: Bulls 1¢, Celtics 6¢ (Polymarket US)
Live price and every move: NBA WIRE
Bulls vs Celtics prediction: what the price says
The Celtics are heavy favorites at 86¢, with the Bulls at 14¢. Kalshi has the Celtics 1¢ cheaper at 85¢. Compare the two prices for Bulls vs Celtics on NBA MARKET. The Celtics opened at 81¢, so the price has moved 5¢ toward them since. Underdogs have taken 21 of 68 logged games this season. Every tick of that move is charted on NBA WIRE.
Injury report
As of Oct 26. Expect updates before tip.
Nicolas Claxton (Bulls): Out, hamstring
Patrick Williams (Bulls): Questionable, groin
Noa Essengue (Bulls): Questionable, head
Bulls and Celtics key players
2025-26 numbers, current rosters. Usage is the share of possessions a player finished with a shot, free throws or a turnover while on the floor. Who picks up the shots when a starter sits is on NBA USAGE.
Bulls
Josh Giddey: 32.1 min, 24.4% usage, 17.0 pts, 8.3 reb, 9.1 ast
Norman Powell: 29.6 min, 27.2% usage, 21.7 pts, 3.5 reb, 2.4 ast (new, was MIA)
Matas Buzelis: 29.2 min, 22.7% usage, 16.3 pts, 5.8 reb, 2.1 ast
Nic Claxton: 27.8 min, 17.7% usage, 11.7 pts, 6.9 reb, 3.7 ast (new, was BKN)
Tre Jones: 27.0 min, 19.2% usage, 14.1 pts, 3.1 reb, 5.4 ast
Celtics
Jayson Tatum: 32.6 min, 30.0% usage, 21.8 pts, 10.0 reb, 5.3 ast
Derrick White: 34.1 min, 22.0% usage, 16.5 pts, 4.4 reb, 5.4 ast
Payton Pritchard: 32.3 min, 21.4% usage, 17.0 pts, 3.9 reb, 5.2 ast
Paul George: 30.7 min, 23.3% usage, 17.3 pts, 5.3 reb, 3.6 ast (new, was PHI)
Neemias Queta: 25.3 min, 14.7% usage, 10.2 pts, 8.4 reb, 1.7 ast
Top rookies: Caleb Wilson, pick 4 (Bulls).
Last time out
Recent games for each side, and what Polymarket priced them at before tip. The Bulls' price on both apps, updated through the day, is on NBA MARKET.
The Bulls are 0-2 this week: a 134-99 loss at the Celtics on Monday as 14¢ underdogs and a 133-127 home loss to the Knicks on Wednesday as 28¢ underdogs. Both finished above the market total. On the market they rate 37, 24th of 30, and they are 1-4 against 1.6 expected wins.
The Celtics are 2-0 this week: a 134-99 home win over the Bulls on Monday as 86¢ favorites and a 125-124 home win over the Nets on Tuesday as 86¢ favorites. Both finished above the market total. On the market they rate 70, 3rd of 30, and they are 3-1 against 2.8 expected wins. Their next two opponents rate 43 on average, an easier run than most.
Player props in those games (Polymarket prices):
Jalen Smith (Bulls): higher than 4.5 points in both games; higher than 1.5 rebounds in both games
Josh Giddey (Bulls): higher than 4.5 points in both games; higher than 1.5 assists in both games
Jayson Tatum (Celtics): lower than 8.5 rebounds in both games; higher than 1.5 threes in both games
Derrick White (Celtics): higher than 1.5 rebounds in both games; higher than 0.5 threes in both games
Questions about Bulls vs Celtics
Who is favored in Bulls vs Celtics?
The Celtics are the shorter side, so a win on them pays less per contract than the Bulls. Both prices sit at the top of this page and update live on NBA WIRE.
When and where is Bulls vs Celtics?
Friday, October 30, at 7:30 PM ET, in Boston.
For tonight’s other games, see NBA previews; today’s board covers every sport.
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