Redshirt
Matchup preview

Washington State vs Washington

Washington State visit Washington in Week 1. The model favors Washington by 20.8. Win probability, the tale of the tape, and the all-time series, all from real data.

Win probability
10%
90%

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

The read
Model analysis · September 2 · refreshed weekly

The model and the market read this Week 1 crossover the same way. SP+ rates Washington 15.8 (18th) against Washington State's -4.3 (86th), a gap that projects Washington by 22.5 points and a 91% win probability. The consensus line lands close, at Washington -23.2 with a 50.8 total and a 92% implied price. ProphetX offers split the favorite and underdog sides at 94% and 8%, effectively no daylight from the model. When SP+, two-book consensus, and the exchange cluster inside a point of win probability, there is little edge to mine from disagreement.

The unit ranks explain the spread. Washington grades 18th on offense and 17th on defense, balanced on both sides, while Washington State sits 107th on offense and 58th on defense, the offensive shortfall driving the margin. The series backs the ratings: Washington leads 9-2 and won the last meeting 59-24 in 2025. Season simulations widen the divide, with Washington projected for 7.5 wins, a 20% Playoff chance and 1.2% title equity against a 0.7% market read, versus 4.9 wins and 0.1% Playoff odds for Washington State.

Everything points one direction, so the question is price rather than side. At a 22.5-point projected margin against a 23.2-point market number, the model leaves a slim cushion on the underdog's cover, but the moneyline offers no value with all three sources near 92%.

Model, consensus, and exchange all price Washington near 92%, with the only faint edge sitting on Washington State's cover of the inflated 23.2-point number.

Matchup odds
Consensus line · 3 books
Spread
WASH -23.3
Total (O/U)
51.3
Favorite
WASH
Moneyline win probability (implied from the spread)

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
Washington State1%-15 ptsvsWashington99%+15 pts
0%25%50%75%100%Washington State favoredWashington favoredAug 19Aug 23Aug 27Aug 31Sep 4Sep 7

Real daily prices from the market to win this game, shown as Washington State's win price; Washington's is 100 minus it (the same market's other side). Above the 50% line Washington State is favored, below it Washington 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+
#90SP+SP+: Bill Connelly's tempo- and opponent-adjusted efficiency rating, expressed in points above average.#27
#64FPIFPI: ESPN's Football Power Index, an overall measure of team strength.#21
1549EloElo: a rating that rises or falls after each game based on the result and the quality of the opponent.1866
-Title oddsDe-vigged consensus probability to win the national title, averaged across the prediction markets we track.0.8%
Washington StateWashingtonsolid = 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
Recent series
Washington lead 9-2
20152025
Head to head
Every meeting in our records
2025
59-24
Washington
at Washington State
2024
24-19
Washington State
neutral site
2023
24-21
Washington
at Washington
2022
51-33
Washington
at Washington State
2021
40-13
Washington State
at Washington
2019
31-13
Washington
at Washington
2018
28-15
Washington
at Washington State
2017
41-14
Washington
at Washington
2016
45-17
Washington
at Washington State
2015
45-10
Washington
at Washington
2014
31-13
Washington
at Washington State
More Week 1 matchups
Model previews for the rest of the slate
FAQ

Frequently asked questions

How do I trade the Washington State vs Washington game?

Kalshi lists winner markets for college football games. Sign up with code FADE (trade $25, get up to $500), open the Washington State vs Washington 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 Washington State and Washington play?

Week 1 of 2026, on Sep 6, 2026 at Washington.

Who is favored?

The model projects Washington by 20.8 (90% win probability), from SP+ ratings.

What is the all-time series?

Washington lead 9-2 over the meetings in our records.

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

Trade this game
Code VAULT: trade $10, get $20
ProphetX →