San Francisco 49ers @ New York Giants — Prediction & Odds, NFL Week 13 2026

Sunday, December 6, 2026 · 12:00 PM CT · MetLife Stadium

Game preview

The market makes San Francisco 49ers a 3-point favourite over New York Giants, with the game total at 47.5.

Moneylines sit at -166 for San Francisco 49ers and +140 for New York Giants, a devigged 40% win probability for New York Giants; splitting the spread and total leaves market-implied team totals of 25.3 for San Francisco 49ers and 22.3 for New York Giants.

The Sport Stack's nflsim engine projects San Francisco 49ers — Brock Purdy (QB) at 233 passing yards and 17 rushing yards, Christian McCaffrey (RB) at 47 rushing yards and 35 receiving yards; New York Giants — Jameis Winston (QB) at 202 passing yards and 9 rushing yards, Cam Skattebo (RB) at 58 rushing yards and 15 receiving yards.

Kickoff is Sunday, December 6, 2026 · 12:00 PM CT, at MetLife Stadium.

New to these numbers? How devigging turns a price into a probability, how sportsbooks set these lines, what expected value means, and why to shop the number.

Consensus market (intraday)

Consensus market for 49ers at Giants — lines as of Thu, 9/10 · 7:01 PM CT
MarketConsensus
SpreadSF -3
Total47.5
Moneyline (SF / NYG)-166 / +140
NYG implied win probability40%
Implied team totals (SF — NYG)25.3 — 22.3

Devigged cross-book consensus, updated as lines move. See the power ratings for the model's implied line on any matchup.

Player projections

San Francisco 49ers · 25.4 proj pts
Brock Purdy (QB) — 233 pass yds · 17 rush yds
Christian McCaffrey (RB) — 47 rush yds · 35 rec yds
Deebo Samuel Sr. (WR) — 5 rush yds · 43 rec yds
New York Giants · 22.4 proj pts
Jameis Winston (QB) — 202 pass yds · 9 rush yds
Cam Skattebo (RB) — 58 rush yds · 15 rec yds
Malik Nabers (WR) — 53 rec yds · 4.3 rec

Research context, not a pick — every staked play is graded on the public ledger. How we grade.

Go deeper

The interactive matchup dashboard adds usage cores, opponent-defense-vs-position strips, offense identity, and the multi-book open→close board for this game. Forecast conditions are on the NFL slate.

More Week 13 games

← Week 12 · Week 14 → · Full 2026 schedule