bayesRatings

Bruins at Flames

NHL · Monday, Dec 29 · 8:00 PM CT · Scotiabank Saddledome · Final BOS 1 – CGY 2

Final Box Score

from the game summary
Team123OTT
BOS10001
CGY01012
Team box
BOS·CGY
26
shots
20
0 of 3
power play
1 of 5
51.1
faceoff %
48.9
18
hits
21
17
blocked shots
14
10
penalty minutes
6
Top performers
PlayerTeamGASOG
Blake ColemanCGY104
Andrew PeekeBOS102
Connor ZaryCGY101
Mikael BacklundCGY012
Sean KuralyBOS011
Mason LohreiBOS010
Goalies
GoalieTeamSASVSV%
Jeremy SwaymanBOS2019.950
Dustin WolfCGY2625.962

For context, not in our forecast.

Game Flow

score margin
CGY +3
BOS +3
P1P2P3OT
largest lead: CGY 1 · BOS 1lead changes: 1

For context, not in our forecast.

Final · our forecast was BOS 46%, CGY 54% · Updated Dec 29, 2025

Expected margin
Even
Expected score
CGY 2.9 – 2.8 BOS
Expected total
5.7
BruinsThe matchupFlames
+117Our fair odds−117
2.8Expected goals2.9
−0.08Power rating−0.09
3.2Goals / game2.7
3.3Allowed / game3.0
27.1Shots / game29.7
51.9Faceoff %49.9
24.8Hits / game21.6
20−19Season record16−22
4−6Last 107−3

Prediction markets

Kalshi · Polymarket US · ProphetX · Novig
BOS chance · CGY chance
Our model fair46.1%53.9%
Kalshino two-sided price
Polymarket USno two-sided price
ProphetXno two-sided price
Novigno two-sided price
Full price table
TeamOur modelfairKalshi Polymarket US ProphetX Novig 
Moneyline
BOSBoston Bruins+11746%————
CGYCalgary Flames−11754%————
Spreadabout even
BOSBoston Bruins+0.1our margin————
CGYCalgary Flames−0.1our margin————
Totalwe expect 5.7
Over5.7our total————
Under5.7our total————

These are each venue’s last prices before the start (Kalshi’s moneyline: its pre-game close). Odds are the price to buy that side now, taker fee included; the small percent is the implied chance of that same price. Highlighted is the best price in the row among venues on the same line. — means not listed (hover or tap for why). A market price is not the true chance of winning.

Margin range

Even game expected
Boston Bruins by 5 goals: 2%Boston Bruins by 4 goals: 5%Boston Bruins by 3 goals: 11%Boston Bruins by 2 goals: 10%Boston Bruins by 1 goal: 19%Calgary Flames by 1 goal: 25%Calgary Flames by 2 goals: 10%Calgary Flames by 3 goals: 11%Calgary Flames by 4 goals: 5%Calgary Flames by 5 goals: 2%
← BOS wins byCGY wins by →
Calgary Flames wins by 2 or more28%
Calgary Flames wins by 3 or more19%
Boston Bruins wins by 2 or more27%
Decided by one goal44%

Centered on the expected margin above; shape from each team's expected goals, with ties after regulation settled as one-goal games, matched to 7,070 past NHL games.

Total range

5.7 expected
1 goals: 3%2 goals: 3%3 goals: 14%4 goals: 10%5 goals: 23%6 goals: 11%7 goals: 17%8 goals: 6%9 goals: 8%10 goals: 2%11 goals: 2%12 goals: 1%13 goals: <1%
Total goals, both teams
Total over 4.570%
Total over 5.548%
Total over 6.537%
Total from 5 to 634%

Centered on the expected total above; shape from each team's expected goals, with ties after regulation settled as one-goal games, matched to 7,070 past NHL games.

Starting Goalies

from the box score
BOSJeremy Swayman G · last 5 starts: .862 save %, 3.27 GAAstarted
CGYDustin Wolf G · last 5 starts: .893 save %, 3.02 GAAstarted

Starting goalies are part of our forecast.

Rest and Schedule

before this game
BOS·CGY
Dec 27, 2025 at BUF
last game
Dec 27, 2025 vs EDM
1 day
days of rest
1 day
no
back-to-back
no
2
games in last 7 days
2
2nd straight road game
home / road
2nd straight home game

For context, not in our forecast.

Team Comparison

2025–26 season · box-score averages from 38+ games
BOS·CGY
−0.08
rating (0 = average)
−0.09
3.2
goals / game
2.7
3.3
goals allowed / game
3.0
20−19
season record
16−22
12−9
home record
10−7
8−10
away record
6−15
L5
streak
W1
4−6
last 10
7−3
27.1
shots / game
29.7
51.9
faceoff %
49.9
24.8
hits / game
21.6
16.0
blocked shots / game
14.9
4.7
takeaways / game
4.4
16.2
giveaways / game
16.1

Rating Trend

BOS · CGY · 73 days
Boston BruinsCalgary Flames
Rating (0 = average team)

Head to Head

last 8 meetings · CGY 3−5
Dec 17, 2024at CGYBOS 4 − 3 OT
Nov 7, 2024at BOSBOS 4 − 3 OT
Feb 22, 2024at CGYCGY 3 − 2 OT
Feb 6, 2024at BOSCGY 4 − 1
Feb 28, 2023at CGYBOS 4 − 3 OT
Nov 10, 2022at BOSBOS 3 − 1
Dec 11, 2021at CGYBOS 4 − 2
Nov 21, 2021at BOSCGY 4 − 0

BOS · Last 10

4−6 · streak L5
Dec 27, 2025at BUF1 − 4L
Dec 23, 2025vs MTL2 − 6L
Dec 21, 2025vs OTT2 − 6L
Dec 20, 2025vs VAN4 − 5L
Dec 18, 2025vs EDM1 − 3L
Dec 16, 2025vs UTAH4 − 1W
Dec 14, 2025at MIN2 − 6L
Dec 11, 2025at WPG6 − 3W
Dec 9, 2025at STL5 − 2W
Dec 6, 2025vs NJ4 − 1W

CGY · Last 10

7−3 · streak W1
Dec 27, 2025vs EDM3 − 2W
Dec 23, 2025at EDM1 − 5L
Dec 20, 2025vs VGK6 − 3W
Dec 18, 2025vs SEA4 − 2W
Dec 16, 2025at SJ3 − 6L
Dec 13, 2025at LA2 − 1W
Dec 10, 2025vs DET3 − 4L
Dec 8, 2025vs BUF7 − 4W
Dec 6, 2025vs UTAH2 − 0W
Dec 4, 2025vs MIN4 − 1W