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Matchup preview

Stanford vs Duke

Stanford visit Duke in Week 3. The model favors Duke by 16.8. Win probability, the tale of the tape, and the all-time series, all from real data.

Win probability
15%
85%

Model win probability from SP+ ratings + home-field edge.

The read
Model analysis · September 16 · refreshed weekly

SP+ separates these ACC sides clearly: Duke rates 6.9 (rank 48) against Stanford at -3.9 (rank 82), and the model projects Duke by 13.2 with a 79 percent win probability. The consensus line across two books is more cautious at Duke -9.7 with a 50.8 total, implying 72 percent, while the ProphetX exchange sits between them at Duke -335 (77 percent) and Stanford +310 (24 percent). The gap between the model's 13.2-point projection and the market's 9.7 is the central disagreement, with SP+ the more confident of Duke.

The unit ranks explain the spread. Duke's offense ranks 29th against a Stanford defense at 69th, a mismatch the model leans on, while both defenses grade similarly (Stanford 69, Duke 72) and Stanford's offense lags at 100th. Results reinforce it: Duke is 2-0, grinding out 17-3 over Tulane and 31-27 at Illinois, whereas Stanford split, beating Hawai'i 37-27 before a 6-45 loss to Miami. Season simulations project Duke 7.4 wins to Stanford 4.4, with Playoff odds of 4.6 percent versus 0.1 percent.

Model and market both land on Duke, but SP+ prices the edge wider than the 9.7-point line implies.

Matchup odds
Consensus line · 3 books
Spread
DUKE -9.7
Total (O/U)
51.5
Favorite
DUKE
Moneyline win probability (implied from the spread)
Duke
72%

Real consensus line across 3 sportsbooks. Spread and total are the current market number; the win probabilities are implied from the spread.

Matchup odds price history
The market to win this game · daily prices, colored by the favorite
Stanford1%-78 ptsvsDuke99%+78 pts
0%25%50%75%100%Stanford favoredDuke favoredSep 8Sep 11Sep 14Sep 17Sep 20

Real daily prices from the market to win this game, shown as Stanford's win price; Duke's is 100 minus it (the same market's other side). Above the 50% line Stanford is favored, below it Duke is, and each candle takes the favored team's color. Kalshi shows open-high-low-close candles (filled body closed up, hollow closed down). As of Sep 23.

Tale of the tape
Percentile vs FBS · 2025 stats, 2026 SP+
#101SP+SP+: Bill Connelly's tempo- and opponent-adjusted efficiency rating, expressed in points above average.#46
#83FPIFPI: ESPN's Football Power Index, an overall measure of team strength.#43
1335EloElo: a rating that rises or falls after each game based on the result and the quality of the opponent.1622
-Title oddsDe-vigged consensus probability to win the national title, averaged across the prediction markets we track.-
StanfordDukesolid = better, faded = trailing
What these metrics mean
SP+. SP+: Bill Connelly's tempo- and opponent-adjusted efficiency rating, expressed in points above average.
FPI. FPI: ESPN's Football Power Index, an overall measure of team strength.
Elo. Elo: a rating that rises or falls after each game based on the result and the quality of the opponent.
Title odds. De-vigged consensus probability to win the national title, averaged across the prediction markets we track.
Off PPA. PPA (Predicted Points Added): the average point value each play adds. Higher is better for offense, lower for defense.
Success. Success rate: the share of plays that stay on schedule (roughly 50% of needed yards on 1st down, 70% on 2nd, 100% on 3rd/4th). Higher is better.
Explosive. Explosiveness: the average value of a team's successful plays, i.e. how big its good plays are when they hit.
Yards/game. Total yards gained per game.
Success allowed. How often the defense allows an on-schedule play (enough yards for the down). Lower is better.
Havoc. Havoc rate: the share of plays where the defense makes a tackle for loss, forced fumble, interception, or pass breakup.
Yards allowed. Total yards allowed per game. Lower is better.
Efficiency profile
Percentile vs FBS · 2025
More Week 3 matchups
Model previews for the rest of the slate
FAQ

Frequently asked questions

How do I trade the Stanford vs Duke game?

Kalshi lists winner markets for college football games. Sign up with code FADE (trade $25, get up to $500), open the Stanford vs Duke market when it posts, and buy YES on your side; the price in cents equals the market's implied win probability. You can sell before kickoff or settlement at the current price.

When do Stanford and Duke play?

Week 3 of 2026, on Sep 19, 2026 at Duke.

Who is favored?

The model projects Duke by 16.8 (85% win probability), from SP+ ratings.

Full schedule → · Both teams' playoff odds, from 10,000 simulations →

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