TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 19, 3:48 PM EST
Kalshi
This set of markets focuses on predicting the point differential in the first half of a college football game between Southern Illinois and Illinois. Each market corresponds to a specific margin by which either team might win the first half, allowing participants to assess varying levels of dominance.
All markets resolve based solely on points scored during the first half of the Southern Illinois vs Illinois college football game scheduled for September 19, 2026. A 'Yes' outcome occurs if the specified team wins the first half by more than the stated point margin. If the game is postponed but commences within 48 hours of the original start time, markets remain open and resolve according to the official result. If the game does not start within 48 hours of its scheduled time, all markets resolve to a fair price, ensuring equitable treatment for all participants regardless of the specific point differential thresholds defined in individual markets.
Typically, prediction market odds reflect the wisdom of the crowd and can sometimes differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and risk management, while this market aggregates the opinions of many individual traders. Often, you’ll find that prediction markets are more accurate forecasters of event outcomes, particularly when compared to initial sportsbook lines. However, sportsbook odds are readily available and provide a useful benchmark for understanding the implied probability reflected in this market. It’s common to see discrepancies, especially as new information emerges.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing their beliefs about the first half spread. The price of a contract indicates the probability of that specific spread occurring. As more traders participate, the price adjusts to reflect the collective expectation. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price discovery process is driven by supply and demand; if more people believe Southern Illinois will cover, the price for that outcome will rise, and vice versa. This dynamic pricing mechanism allows the market to efficiently incorporate new information and adjust probabilities in real-time.
This market resolves around Sep 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the final first-half point spread of the Southern Illinois vs. Illinois basketball game will be used to determine which contracts pay out. The resolution will be based on the official result reported by a trusted sports data provider. Traders holding contracts on the correct spread will receive a payout, while those holding contracts on incorrect spreads will not. The exact payout amount is determined by the contract price at the time of resolution.
Several factors could influence the price of contracts in this market. Any news regarding player injuries or suspensions for either Southern Illinois or Illinois would likely have a significant impact. Changes in team performance, coaching decisions, or even weather conditions could also shift trader sentiment. Furthermore, large volume trades on Kalshi can quickly move the price, especially if they signal a strong conviction from informed traders. Public perception, as reflected in polls or expert analyses, can also contribute to price fluctuations in this market.