CFB

Over vs Under: who will win?

51% say Under wins

Down 2 points today.

Decided when the match ends. It is scheduled for October 31 at 7:30 PM .

Each share pays $1 if it happens, so 51¢ means about a 51% chance.

Research, not financial advice. Prices from Polymarket’s international site, not available in the US. Sports event contracts are restricted or under legal challenge in several US states. Check your state’s law and the venue’s terms.

The short version

Ohio State and USC: O/U 51.5 play a football game, scheduled for October 31 at 7:30 PM ET.

Possible results

OverOver wins.49%
What has to happen
Ohio State and USC combine to score 52 or more points in this game.
UnderUnder wins.51%
What has to happen
The combined total is less than 52.

The one trap

If the game is postponed, the market stays open until it is played.

See all fine print

If the game is canceled with no make-up game, the market settles 50-50.

Price chart

Over 49%Under 51%

-Yes chance

View rules on Polymarket (international site, not available to US residents)

Show details for experienced traders

The details

Rule note: full game including overtimeSettled by NCAA official (implied)

Fine-print risk

Low (20/100)

settles on the condition as written

Official source: settlement runs on The rules name no source; the official NCAA final result is the implied reference. Posts the final result after the game. No recorded moves for this market yet.
Fine print: Settles on the official final result as played, overtime included. Postponed games stay open until completed. Cancellations follow the stated fallback. Deadline: Sat, Oct 31, 2026, 7:30 PM ET.

No resolution source named in the rules (implied: NCAA official result)

Standardized read of public order book, official-source and contract-rule data, identical for every viewer. It describes the data and is not a recommendation. The venue’s published rules control settlement.

Key lines from the rules (Polymarket)

“If the game is postponed, this market will remain open until the game has been completed.”

View rules on Polymarket (international site, not available to US residents)

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