San Francisco 49ers at Arizona Cardinals
Game data updated 3 min ago · this page re-reads every 10 min while open
Week 18, 2026 · Sunday, Jan 10, 5:00 AM · closed
San Francisco 49ers1–0 · Elo 1584 · Brock Purdy

Arizona Cardinals

1–0 · Elo 1488 · Jacoby Brissett (-40) · Home
What the forecasters say
| Forecaster | Favors | ARI | SF | Note |
|---|---|---|---|---|
| Elo | SF 68% | 32% | 68% | ARI 1488 vs SF 1584, implied spread ARI +3.5 |
| Closing spread | SF 74% | 26% | 74% | ARI +8.5 |
| The blend | SF 72% | 28% | 72% |
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The spot: Clear favorite, mild disagreement
Both favor the same team by 60% or more, but they differ by 4 to 10 points. Replays: favorites won about as often as the average of the two forecasts said (no surplus either way). The blend without a bump. Nothing to exploit; take the average.
San Francisco 49ers over the Cardinals: Elo 68%, market 74%. Clear favorite, take the average. Brissett is costing 40 Elo.
Details
- Rest: ARI 7 days, SF 7 days.
- Quarterback adjustment: ARI -40 (Jacoby Brissett), SF -1 (Brock Purdy). How that works.
- Weather. Indoors (roof closed), so no weather adjustment.
Line movement
No market has priced this game yet. Kalshi and Polymarket usually list games about a week out; sportsbooks earlier.