Ohio State vs. USC odds, Oct 31
Markets price Ohio State 70%, USC 30%, with 2 venues quoting each result. Kickoff Sat, Oct 31, 7:30pm ET. Each venue words its settlement rules itself, compared below.
This match on Polymarket and Kalshi.
Odds by venue
| Venue | Ohio State | USC | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| PolymarketClose-only for US residents | 70¢ | 31¢ | 0.6¢ | $0 | $5K | Trade → |
| Kalshi$50 bonus | 70¢ | 30¢cheapest to buy | 1.5¢ | $25K | – | Trade → |
How the odds have moved
One venue's series for the result the headline prices, not a blend; venues tick at different cadences and interpolating one onto the other would invent points.
What the market is actually pricing
Venues word settlement differently for the same question, and the difference decides who gets paid. This is the comparison no venue publishes about its rivals.
In the upcoming college football game between Ohio State and USC, scheduled for October 31 at 7:30PM ET: This market will resolve to "Ohio State" if Ohio State win the game.
Full settlement wording
In the upcoming college football game between Ohio State and USC, scheduled for October 31 at 7:30PM ET: This market will resolve to "Ohio State" if Ohio State win the game. This market will resolve to "USC" if USC win the game. Overtime is included if played. If the game ends in a tie, this market will resolve 50-50. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50.
If Ohio St. wins the Ohio St. vs USC college football game originally scheduled for Oct 31, 2026, then the market resolves to Yes.
If the game is postponed but begins within 48 hours of its originally scheduled start time, the market will remain open and resolve based on the official final result. If the game is cancelled or not started within 48 hours of its originally scheduled start, the market will resolve to a fair price. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the NCAA. All trademarks, logos, and brand names are the property of their respective owners.
Where you can trade this
The Trade links in the tables above open each venue's own market. The reviews cover sign-up, funding and payouts.
More College football matches compared
Florida vs. Georgia
Polymarket · Kalshi · Favourite: Georgia 80% · $93K 24h volume, both venues
Notre Dame vs. Navy
Polymarket · Kalshi · Favourite: Notre Dame 98% · $56K 24h volume, both venues
Delaware vs. Western Kentucky
Polymarket · Kalshi · Favourite: Delaware 54% · $26K 24h volume, both venues
Troy vs. James Madison
Polymarket · Kalshi · Favourite: James Madison 88% · $5K 24h volume, both venues
Murray State vs. Illinois State
Polymarket · Kalshi · Favourite: Illinois State 97% · $4K 24h volume, both venues
Florida Atlantic vs. North Texas
Polymarket · Kalshi · Favourite: North Texas 79% · $3K 24h volume, both venues
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Common questions
What are the odds on "Ohio State vs. USC"?
Markets price Ohio State 70%, USC 30% across 2 venues: market-implied probabilities rather than forecasts.
Where can I trade "Ohio State vs. USC"?
On Polymarket and Kalshi. Availability by state varies for sports contracts; see the legal pages.
Why do the venues show different prices?
Different traders, different fees, and different settlement wording. The gap is the reason this page exists; the cheaper side is marked in the table.