Polymarket Iowa vs. Illinois odds
On Polymarket, the favourite is Iowa, at 61%. That is up 11 points over the past week. The market settles by Nov 21, 2026. Each contract pays $1 if it is right, so 61¢ reads as a 61% chance. Kalshi lists it too, and we compare the two prices below.
Also on Kalshi: Kalshi's page
Polymarket odds on every outcome
Show 30 more outcomes
| Outcome | Chance | Yes price | 24h volume | |
|---|---|---|---|---|
| O/U 59.5 | – | – | $0 | Trade |
| Spread -13.5 | – | – | $0 | Trade |
| O/U 73.5 | – | – | $0 | Trade |
| Spread -3.5 | – | – | $0 | Trade |
| Spread -5.5 | – | – | $0 | Trade |
| O/U 71.5 | – | – | $0 | Trade |
| O/U 57.5 | – | – | $0 | Trade |
| Spread -2.5 | – | – | $0 | Trade |
| Spread -5.5 | – | – | $0 | Trade |
| O/U 63.5 | – | – | $0 | Trade |
| Spread -13.5 | – | – | $0 | Trade |
| O/U 43.5 | – | – | $0 | Trade |
| O/U 41.5 | – | – | $0 | Trade |
| O/U 49.5 | – | – | $0 | Trade |
| O/U 45.5 | – | – | $0 | Trade |
| Spread -2.5 | – | – | $0 | Trade |
| Spread -1.5 | – | – | $0 | Trade |
| O/U 47.5 | – | – | $0 | Trade |
| Spread -7.5 | – | – | $0 | Trade |
| Spread -10.5 | – | – | $0 | Trade |
| O/U 37.5 | – | – | $0 | Trade |
| O/U 39.5 | – | – | $0 | Trade |
| Spread -1.5 | – | – | $0 | Trade |
| O/U 35.5 | – | – | $0 | Trade |
| O/U 61.5 | – | – | $0 | Trade |
| O/U 69.5 | – | – | $0 | Trade |
| Spread -8.5 | – | – | $0 | Trade |
| O/U 53.5 | – | – | $0 | Trade |
| Spread -4.5 | – | – | $0 | Trade |
| Spread -14.5 | – | – | $0 | Trade |
12 more outcomes are priced on Polymarket: the full board on Polymarket (opens in a new tab).
Close-only for US residentsChance is each outcome's Yes price on Polymarket. A Yes contract at 61¢ pays $1 if that outcome wins.
Polymarket vs Kalshi on this match
The same match on both venues. When the prices differ, the cheaper side costs you less for the same payout.
| Venue | Iowa | Illinois | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| PolymarketClose-only for US residents | 61¢cheapest to buy | 39¢ | 1.2¢ | $0 | $4K | Trade → |
| Kalshi$50 bonus | 62¢ | 39¢ | 1.6¢ | $2K | – | Trade → |
How the odds have moved
Polymarket's own series for the outcome the headline prices, from where its history starts; one venue, not a blend.
How this market resolves
Polymarket's own settlement wording, in full. This, not the headline, decides who gets paid.
Show the full rules
In the upcoming college football game between Iowa and Illinois, originally scheduled for Saturday, November 21, 2026 at 1:00 PM ET (as of creation of the first market related to the event): This market will resolve to "Iowa" if Iowa win the game. This market will resolve to "Illinois" if Illinois win the game. Overtime is included if played. If the game ends in a tie, this market will resolve 50-50. If this market's outcome was definitively determined under its rules by the listed resolution sources before abandonment, that outcome will stand. Otherwise, the following no-result provisions apply. If the game is canceled, does not start by Monday, November 23, 2026, 11:59 PM ET, or is abandoned with no official result by that time, this market will resolve 50-50.
Scheduled resolution: Nov 21, 2026.
How to trade this market on Polymarket
- Check your state first. Several states restrict sports contracts.
- Open a Polymarket account. Americans trade on Polymarket US. Is Polymarket legit? Our review covers safety, sign-up and payouts.
- Buy Yes or No at the price shown, 61¢ for Iowa right now. Each contract pays $1 if you are right.
- Sell any time before it settles, or hold to the result. Polymarket's fees apply to each trade.
CoinStats may earn a commission on links to venues. Prices are indicative and may differ when you trade.
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Common questions
What are the Polymarket odds on Iowa vs. Illinois?
On Polymarket, the favourite is Iowa, at 61%. That is a market-implied probability, not a forecast, and it moves as traders buy and sell.
How does this market resolve?
By Polymarket's own settlement rules for this market. Two venues can word the same question differently and settle differently, so read them before you trade.
Is this question on Kalshi too?
Yes. Kalshi's page has its prices and rules. Our side-by-side page shows both prices and both venues' rules.
Can I trade this market in my state?
In most states, yes, on Polymarket US. Sports contracts are the exception: several states restrict them. Check your state first.
How accurate are Polymarket odds?
Often more accurate than polls, though never certain. A price of 70% should lose three times in ten. How accurate prediction markets are has the research.
What does it cost to trade on Polymarket?
A taker fee on most markets, largest near 50¢, and some categories charge nothing. Polymarket's fees has the detail.