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Matchup preview

San Diego State vs Colorado State

San Diego State visit Colorado State in Week 8. The model favors Colorado State by 2.6. Win probability, the tale of the tape, and the all-time series, all from real data.

Win probability
44%
56%

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

The read
Model analysis · October 21 · refreshed weekly

The SP+ ratings separate these teams by less than a point, with San Diego State at -8.7 (104th) and Colorado State at -9.6 (111th). The model still tilts toward the home side, giving Colorado State a 54% win probability and projecting a 1.5-point margin. The market disagrees outright: the consensus line sits at Colorado State +1.3 with an implied 47%, and the ProphetX exchange prices San Diego State at -105 (51%) against Colorado State at +102 (50%). The model sees a slight home edge where both venues make San Diego State the favorite.

The unit ranks frame the total of 63.5: the Colorado State offense (64th) is the best single unit on the field, but its defense (132nd) is the worst, while San Diego State grades 108th and 99th. Series history favors the visitor at 2-4 for Colorado State, including a 45-24 San Diego State win in the 2025 meeting. Form cuts the same way: San Diego State is 3-4 with wins over Portland State, Texas State and Fresno State, while Colorado State opened 2-0 against Wyoming and Southern Utah, then dropped four straight, allowing 59, 56 and 66 points.

Projections stay modest: 4.8 wins for San Diego State, 4 for Colorado State, with neither carrying any Playoff or title equity across the 10,000-run simulation.

The model leans Colorado State by 1.5 while both market venues favor San Diego State: a clean disagreement on a coin-flip game.

Matchup odds
Consensus line · 2 books
Spread
SDSU -0.3
Total (O/U)
57.5
Favorite
SDSU
Moneyline win probability (implied from the spread)

Real consensus line across 2 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
San Diego State1%-26 ptsvsColorado State99%+26 pts
0%25%50%75%100%San Diego State favoredColorado State favoredOct 13Oct 18Oct 20Oct 22Oct 24Oct 25

Real daily prices from the market to win this game, shown as San Diego State's win price; Colorado State's is 100 minus it (the same market's other side). Above the 50% line San Diego State is favored, below it Colorado State 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 Nov 7.

Tale of the tape
Percentile vs FBS · 2025 stats, 2026 SP+
#104SP+SP+: Bill Connelly's tempo- and opponent-adjusted efficiency rating, expressed in points above average.#103
#67FPIFPI: ESPN's Football Power Index, an overall measure of team strength.#115
1528EloElo: a rating that rises or falls after each game based on the result and the quality of the opponent.1155
-Title oddsDe-vigged consensus probability to win the national title, averaged across the prediction markets we track.-
San Diego StateColorado Statesolid = 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
San Diego State lead 4-2
20152025
Head to head
Every meeting in our records
2025
45-24
San Diego State
at San Diego State
2023
22-19
Colorado State
at Colorado State
2020
29-17
San Diego State
at San Diego State
2019
24-10
San Diego State
at Colorado State
2016
63-31
Colorado State
at San Diego State
2015
41-17
San Diego State
at Colorado State
More Week 8 matchups
Model previews for the rest of the slate
FAQ

Frequently asked questions

How do I trade the San Diego State vs Colorado State game?

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

Week 8 of 2026, on Oct 24, 2026 at Colorado State.

Who is favored?

The model projects Colorado State by 2.6 (56% win probability), from SP+ ratings.

What is the all-time series?

San Diego State lead 4-2 over the meetings in our records.

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

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