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Matchup preview

Ohio State vs Iowa

Ohio State visit Iowa in Week 5. The model favors Ohio State by 13.8. Win probability, the tale of the tape, and the all-time series, all from real data.

Win probability
80%
20%

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

The read
Model analysis · September 30 · refreshed weekly

SP+ separates these teams by 14 rating points, Ohio State at 28.8 (rank 2) against Iowa at 14.8 (rank 19), and projects the Buckeyes by 11.6. The model gives Iowa a 24% chance, but the consensus line of Iowa +14.3 implies 19% and the ProphetX exchange prices Iowa at +495, or 17%. That is a consistent gap: both the market and the exchange shade harder toward Ohio State than the ratings do, which frames Iowa as the side where the model finds slack against the price.

The unit splits explain the spread. Ohio State pairs the #1 offense with the #2 defense, while Iowa leans on the #10 defense to offset a #51 offense, a profile that fits a 45.5 total. Series history is thin and one-directional: Iowa is 0-1 against Ohio State, with the 2024 meeting a 35-7 Buckeye win.

Results this season cut against the price. Iowa is unbeaten at 4-0 with a road win at Michigan (20-19) and two shutouts, while Ohio State is 3-1, its only blemish a 24-23 loss at Texas. Both project to 8.6 wins, but the models diverge sharply on ceiling: Ohio State sits at 65.8% to make the Playoff and 10.5% to win the title, Iowa at 21.5% and 1%.

The model favors Ohio State by 11.6 but its 24% for Iowa tops both the 19% line and the 17% exchange price, flagging value on the underdog.

Matchup odds
Consensus line · 2 books
Spread
OSU -14.3
Total (O/U)
46
Favorite
OSU
Moneyline win probability (implied from the spread)
Iowa
19%

Real consensus line across 2 sportsbooks. Spread and total are the current market number; the win probabilities are implied from the spread.

Tale of the tape
Percentile vs FBS · 2025 stats, 2026 SP+
#1SP+SP+: Bill Connelly's tempo- and opponent-adjusted efficiency rating, expressed in points above average.#24
#2FPIFPI: ESPN's Football Power Index, an overall measure of team strength.#18
2138EloElo: a rating that rises or falls after each game based on the result and the quality of the opponent.1937
1.5%Title oddsDe-vigged consensus probability to win the national title, averaged across the prediction markets we track.0.7%
Ohio StateIowasolid = 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
Ohio State lead 2-1
Ohio State have won the last 2
20172024
Head to head
Every meeting in our records
2024
35-7
Ohio State
at Ohio State
2022
54-10
Ohio State
at Ohio State
2017
55-24
Iowa
at Iowa
More Week 5 matchups
Model previews for the rest of the slate
FAQ

Frequently asked questions

How do I trade the Ohio State vs Iowa game?

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

Week 5 of 2026, on Oct 3, 2026 at Iowa.

Who is favored?

The model projects Ohio State by 13.8 (80% win probability), from SP+ ratings.

What is the all-time series?

Ohio State lead 2-1 over the meetings in our records.

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

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