Sun, Dec 28, 2025, 8:20 PM ESTWeek 17 · at San Francisco 49ers
Weather at kickoff52°F4 mphgusts 9DryWeather watch ›
11-4 · Power #16
38
final
Final
@
11-4 · Power #10
42
▲ winner
Closing spread
SF -4.5
✓ CHI W
Total
51.5
▲ Over · 80 pts
Model before kickoff
CHI 22–27 SF
✓ SF (66%) won
Closing line · DraftKings
SourceDraftKings closing line
OpenSF -3
CloseSF -4.5
Total50.5 → 51.5
Books differ and lines move; check your sportsbook before betting.
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Market

Open → close
Spread
1.5 pts toward San Francisco 49ers
Total
Up 1 since the open
Line movement
Opening and closing line · tap a dot
Opened SF -3 · closed SF -4.5 · moved 1.5 toward SFmodel SF -5
Opened 50.5 · closed 51.5 · moved 1 upmodel 49
Openline modelKickoff
Line context
Home favorites of 3.5–5.5 since 2023: won 66%, covered 50% (139 games)ⓘ
Moved off 3The team the line moved toward covered 25% (24 games since 2024)ⓘ
Closing line · DraftKings
SourceDraftKings closing line
OpenSF -3
CloseSF -4.5
Total50.5 → 51.5
Books differ and lines move; check your sportsbook before betting.

Similar games

The recent games that looked most like this one before kickoff, and how they turned out

In the 10 games most like SF as a 4.5-point home favorite against CHI, the favorite won 7, covered 6, and 5 went over the total.

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This game: SF won 42–38; the favorite didn’t cover, as in 4 of the 10 similar games. 80 points went over 51.5, as in 5 of 10.
Favorite won
7 of 1070%
Normal range · usually 65%
Favorite covered
6 of 1060%
Normal range · usually 50%
Went over
5 of 1050%
Normal range · usually 47%

All three sit in the normal range for favorites of this size, so history shows no clear lean. Average result: favorite by 6.4 against an average line of 4; 50.6 points a game (usually 44.8). Of the 5 overs, 0 had cashed by the end of Q3. When games like this go over ›

All 10 games
MatchGameLineFinalCoveredO/U
Very close
2024 · Postseason · very close · similar rest & season form
-3.520–23 L U51.5
Very close
2024 · Week 17 · very close · similar situation & rest
-3.530–24 W O50.5
Very close
2025 · Week 8 · very close · similar season form & spread
-4.544–24 W O51.5
Very close
2024 · Week 11 · very close · similar spread & situation
-4.526–18 W U49.5
Very close
2025 · Week 6 · very close · similar team ratings & season form
-3.530–19 W O46.5
Close
2024 · Week 13 · close · similar total & situation
-3.519–24 L U51.5
Close
2024 · Week 7 · close · similar rest & season form
-3.524–22 L U47.5
Close
2025 · Week 7 · close · similar season form & rest
-6.524–9 W U54.5
Close
2025 · Week 14 · close · similar season form & rest
-3.544–30 W O55.5
Close
2025 · Week 16 · close · similar situation & rest
-3.524–28 L O47.5
History, not a prediction. Every NFL game from 2022 on is compared with this one as it looked before kickoff (team strength, the betting line, season form, situation, venue and rest), and only close matches are kept. How matches are found

Signals

The data signal, and 2 trends and market moves behind it
Moderate San Francisco 49ers ATS trend Miss
Moderate-or-stronger ATS leans went 117-99 (54%) in our 2023–26 backtest.
No clear signal on the total

None of these signals has beaten the market in our backtest, so this describes why the matchup is interesting — it isn’t a pick.

San Francisco 49ers 8-2 ATS as a favorite
Covering consistently in the role they have in this game. · Backtest 2023–26: 81-81 (50%)
Market moved toward San Francisco 49ers
1.5 pts (SF -3 → SF -4.5). · Backtest 2024–26: 200-205 (49%)
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Matchup stats

Season to date before kickoff · ranks among 32 teams
Power rating this season
pts vs an average team · #rank · tap a dot
CHI−1.4 →+0.8▲ 2.2#15
SF+0.9 →+2.7▲ 1.8#8
Predashed line = average team · hover or tap a dotW16

CHI
Longer bar = better
SF
#10
Offense
Even
#8
#21
Defense
Even
#22
+1.4 #1
Turnovers
◀ CHI better
−0.3 #25
66 plays #2
Pace
Even
65 plays #3
Unit by unitEach offense against the other's defense
When CHI has the ball
Advantage: CHI offense
CHI offSF defEdge
Points / game 25.8 #10 21.3 #11 Even
Yards / play 5.65 #10 5.56 #23 CHI
EPA / play +0.07 #9 +0.05 #22 CHI
Success rate 46% #10 48% #30 CHI
When SF has the ball
Advantage: SF offense
SF offCHI defEdge
Points / game 26.1 #9 23.6 #20 SF
Yards / play 5.46 #14 5.90 #29 SF
EPA / play +0.09 #6 −0.01 #12 SF
Success rate 49% #2 46% #24 SF

Points by quarter and half

Per game this season before kickoff · ranks among 32 teams
CHI scoring against the SF defense
Q1Q21HQ3Q42H
CHI scored
5.9
#6
5.7
#26
11.6
#15
5.7
#10
8.1
#3
13.8
#5
SF allowed
3.2
#5
7.4
#19
10.6
#12
4.4
#13
6.3
#12
10.7
#13
SF scoring against the CHI defense
Q1Q21HQ3Q42H
SF scored
5.4
#8
7.6
#9
13.0
#8
5.7
#9
7.2
#12
12.9
#9
CHI allowed
2.9
#2
7.9
#21
10.9
#16
5.1
#20
7.6
#24
12.7
#25

Game conditions

At kickoff
Home field
SF +1.8
home-field points in the model
Weather
52° · 4 mph
gusts 9 mph · at kickoff
Rest
CHI8d
SF6d
CHI +2 days
Tempo
Fast 131 plays
slowavg 123fast
Travel
CHI 1,841 mi
2 time zones