Kalshi Promo Code RATE: $55 Bonus for Ohio State vs. USC

No. 2 Ohio State visits USC on Saturday, October 31, in a Big Ten game at the Los Angeles Memorial Coliseum. Kickoff is set for 7:30 p.m. ET on NBC.

The Buckeyes (6-1) have plenty of questions despite their ranking. Julian Sayin is out indefinitely with a throwing shoulder injury suffered in a win at Indiana. USC (6-2) has lost to Oregon and Wisconsin. Prediction markets have Ohio State as a 6.5-point favorite, with the total set at 51.5 points.

Primetime college football games are heavily traded, and this one will be no different. The Kalshi promo code RATE offers new users a $55 trading bonus after trading at least $25.

How to claim the Kalshi $55 bonus for Ohio State vs. USC

It’s an easy process to get into Week 8’s Ohio State vs. USC matchup on the order book. Kalshi has a promotional offer for new users where they give a $55 trading bonus to help grow your initial bankroll. Here is how you can secure the offer before kickoff:

1. Register for an account: Navigate to Kalshi and create a new account, making sure to enter the promo code RATE during the sign-up process.
2. Verify your identity: Because Kalshi is federally regulated by the Commodity Futures Trading Commission (CFTC), all users must complete a standard KYC (Know Your Customer) identity verification.
3. Fund your wallet: Make your initial deposit. While the platform minimum is $10, you will need to trade at least $25 to trigger the promotional offer.
4. Trade the CFB markets: Buy $25 worth of cumulative event contracts. You can take a position on the Ohio State vs. USC game or explore other active markets.
5. Receive your bonus: As soon as your first $25 in contracts settle, Kalshi will automatically credit a $55 trading bonus to your account.

The offer is open to new users located in an eligible state who meet the offer requirements. Check out our Kalshi review for complete details.

Polymarket market snapshot for Ohio State vs. USC

• Game: Ohio State vs. USC

• Date: October 31, 2026

• Time: 7:30 p.m. ET

• Broadcast: NBC

• Game winner: Ohio State (68%), USC (32%)

Ohio State vs. USC odds on Kalshi

Traders treat Ohio State as a clear favorite, pricing the Buckeyes at 68% to win and USC at 32%. The spread is closer to even, with Ohio State -6.5 at 52% and USC +6.5 at 49%. That suggests the market sees the line as about right. The total of 51.5 points is also split, with the under at 51% and the over at 49%.

Ohio State (6-1) has won five straight since a 24-23 loss at Texas, but it will be without quarterback Julian Sayin after he hurt his throwing shoulder in a 19-15 win at Indiana. Sayin has thrown for 2,007 yards, 19 touchdowns and 4 interceptions. Luke Fahey is expected to start, though Tavien St. Clair also took first-team reps in practice. OSU WR Jeremiah Smith (52 catches, 984 yards, 12 touchdowns) gives the new signal caller one of the best targets in the country. The defense allows 13.4 points per game, which ranks fourth nationally.

USC (6-2) comes in off a 24-7 loss at Wisconsin that dropped it out of the AP poll. Quarterback Jayden Maiava leads the Big Ten with 2,303 passing yards and 19 touchdowns, and freshman receiver Trent Mosley has five touchdown catches. The weakness is on defense, where the Trojans allow 25.0 points per game and 8.1 yards per pass play, which ranks 119th nationally. Ohio State's 10.7 yards per pass attempt leads the FBS. That mismatch could help the Buckeyes even with a new quarterback under center, while the slight lean to the under in the pricing reflects that uncertainty and USC's offensive trouble last week.

Trading on Ohio State vs. USC at Kalshi

Kalshi is a prediction market rather than a traditional sportsbook. Instead of taking a fixed line from the house, you buy and sell contracts on game outcomes with other traders.

Prices come from live trading activity, so they show what the crowd thinks and move as kickoff nears. They can swing sharply during Ohio State vs. USC if a turnover, a long touchdown or an injury changes the game. You can sell your shares during the game to lock in a gain or limit a loss, so you don't have to wait for the final whistle.

Shares trade between $0.01 and $0.99. A correct pick pays $1.00 and a wrong one pays $0. For example, if you buy an Ohio State win at $0.68 and the Buckeyes win, the share pays $1.00. That is a $0.32 gain per share before any fees.

Prices at prediction markets show the market's view of each team's chances, but they don't guarantee a result. A quarterback change, a missed field goal or a string of penalties can send a price down fast. Losing shares finish at zero, so manage your bankroll carefully and only trade money you can afford to lose.