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Matchup preview

Ball State vs Northwestern

Ball State visit Northwestern in Week 6. The model favors Northwestern by 36.2. Win probability, the tale of the tape, and the all-time series, all from real data.

Win probability
1%
99%

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

The read
Model analysis · October 7 · refreshed weekly

SP+ frames this as a mismatch and the market agrees. The ratings gap is enormous: Northwestern at 7.3 (rank 50) against Ball State at -25 (rank 135), yielding a model win probability of 98% to 2% and a projected Northwestern margin of 34.7. The consensus line across two books sits slightly steeper at Northwestern -36.7, with a total of 52.5 and implied odds of 99% to 1%. The two-point spread between model margin and market line is the only real daylight here, with the price leaning marginally harder on Northwestern than the numbers demand.

Unit ranks reinforce the separation. Ball State grades #133 on both offense and defense, while Northwestern sits #59 offensively and #34 defensively. Season results track the ratings: Ball State is 1-4 with blowout losses at Ohio State (3-56) and Liberty (15-51), its lone win 41-17 over Stony Brook. Northwestern is 3-1, including a 41-7 handling of Colorado and a 34-13 win over Penn State, with the only blemish 23-29 at Indiana. Simulations project 3.4 wins for Ball State and 7 for Northwestern, which carries 2.6% Playoff odds to Ball State's zero.

The series offers one data point: Ball State is 0-1 against Northwestern, the 2015 meeting a tighter 24-19 than any current number would suggest. That history is too thin and too dated to move a projection this lopsided.

Model and market both price a Northwestern rout; the only gap is a two-point spread between the 34.7 projection and the -36.7 line.

Matchup odds
Consensus line · 2 books
Spread
NU -34.7
Total (O/U)
53.3
Favorite
NU
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
Ball State1%-1 ptsvsNorthwestern99%+1 pts
0%25%50%75%100%Ball State favoredNorthwestern favoredSep 27Oct 1Oct 5Oct 8Oct 11

Real daily prices from the market to win this game, shown as Ball State's win price; Northwestern's is 100 minus it (the same market's other side). Above the 50% line Ball State is favored, below it Northwestern 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+
#131SP+SP+: Bill Connelly's tempo- and opponent-adjusted efficiency rating, expressed in points above average.#20
#132FPIFPI: ESPN's Football Power Index, an overall measure of team strength.#56
1010EloElo: a rating that rises or falls after each game based on the result and the quality of the opponent.1574
-Title oddsDe-vigged consensus probability to win the national title, averaged across the prediction markets we track.-
Ball StateNorthwesternsolid = 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
Northwestern lead 1-0
20152015
Head to head
Every meeting in our records
2015
24-19
Northwestern
at Northwestern
More Week 6 matchups
Model previews for the rest of the slate
FAQ

Frequently asked questions

How do I trade the Ball State vs Northwestern game?

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

Week 6 of 2026, on Oct 10, 2026 at Northwestern.

Who is favored?

The model projects Northwestern by 36.2 (99% win probability), from SP+ ratings.

What is the all-time series?

Northwestern lead 1-0 over the meetings in our records.

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

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