CHI21
FINAL
52DET
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Chicago Bears vs Detroit Lions — Win Probability

FINAL
Chicago Bears logo
Chicago Bears
0-0
21
VS
Detroit Lions logo
Detroit Lions
0-1
52
Market line: DET -4.5, total 43.5 · Model expected score: Chicago Bears 19.6 – Detroit Lions 24.1
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Prediction vs. Result

We keep every prediction permanently so we can always show our work.

PREGAME WIN PROBABILITY
Lions 63%
ACTUAL RESULT
Detroit Lions won by 31
COMBINED SCORE
73
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Margin of Victory — Detroit Lions (Home)

Pregame odds for every possible outcome, simulated before kickoff -- the highlighted bar is what actually happened.

Lost / Tied
37%
Won by 1-3
9%
Won by 4-7
12%
Won by 8-14
19%
Won by 15-21
13%
Won by 21+ ← actual result
11%

Total Score — Over / Under

Combined final score against five common lines, plus this game's actual market line -- the real combined score was 73.

O/U LINE 30
85% over ✓15% under
O/U LINE 40
61% over ✓39% under
O/U LINE 43.5 MARKET LINE
50% over ✓50% under
O/U LINE 44
49% over ✓51% under
O/U LINE 48
37% over ✓63% under
O/U LINE 52
26% over ✓74% under
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Every number above comes from the model's live prediction data — 100,000 Monte Carlo simulations, grounded in the market line at generation time.

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