TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 20, 10:09 PM EST
Kalshi
This market asks whether the Kansas City Chiefs will win the first half of their game against the Indianapolis Colts by more than 2.5 points. Currently, the probability of this outcome occurring on Kalshi is 40.0%, with a 35.0% probability that the Chiefs will win by over 3.5 points. The market will resolve based on the final score of the first half of the IND Colts vs KC Chiefs Pro Football game originally scheduled for Sep 20, 2026, as reported by the official game results. Keep an eye on the game itself, as the market will resolve based on the outcome of the first half by September 21, 2026, which represents the end of the betting period.
All markets resolve based solely on the point difference in the first half of the designated Pro Football game between the IND Colts and KC Chiefs scheduled for Sep 20, 2026. Each market specifies a different point threshold, with outcomes resolving to 'Yes' if the winning team exceeds the stated margin. Only points scored during the first half are considered; any points from the second half are irrelevant for resolution. The markets cover a range of thresholds for both teams, allowing participants to bet on various degrees of dominance in the opening half. Kalshi explicitly disclaims any official affiliation with the governing league, and all trademarks remain the property of their respective owners.
Typically, prediction market odds offer a different perspective than traditional sportsbook odds. Sportsbooks often incorporate a 'vig' or commission into their odds, representing their profit margin. This market, being a peer-to-peer exchange, aims to reflect the collective wisdom of traders and can sometimes provide more accurate probabilities, especially as more information becomes available. However, sportsbook odds are readily accessible and widely followed, serving as a common benchmark for comparison. Discrepancies can arise due to differing opinions, information advantages, or simply variations in market participants.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing different point spreads for the first half. The price of each contract fluctuates based on supply and demand. When more people buy contracts for a particular spread, the price increases, indicating growing confidence in that outcome. Conversely, increased selling pressure lowers the price. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing mechanism allows the market to efficiently aggregate information and reflect the collective forecast of all participants regarding the Colts-Chiefs first half spread.
This market resolves around Sep 21, 2026, with the outcome confirmed once the official first half spread of the Colts-Chiefs game is verifiable from credible public reporting. The resolution will be based on the official result declared by the relevant sporting authority. Traders holding contracts on the correct spread will receive a payout of 100, while those holding contracts on incorrect spreads will forfeit their investment. The final spread will be determined by the official game statistics.
Several factors could influence this market before the game concludes. Any news regarding key player injuries for either the Colts or the Chiefs would likely cause significant movement. Changes in weather forecasts, particularly if they impact the passing or running game, could also shift expectations. Furthermore, pre-game analysis from sports analysts and updated betting lines from sportsbooks can influence trader sentiment. Finally, even the flow of money into and out of this market itself – a surge in buying or selling – can create momentum and drive price changes.