TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 8:14 PM EST
Kalshi
This baseball event focuses on the run differential between the teams during the first five innings of the Philadelphia vs Cincinnati game on July 9, 2026. Bettors predict which team will lead by various margins after five innings.
Resolution is based on the run differential at the end of the first 5 innings of the professional baseball game originally scheduled for July 9, 2026 at 7:10 PM EDT. Cincinnati's outcomes resolve to Yes if Cincinnati leads by more than the specified margin (2.5 or 1.5 runs) after 5 innings. Philadelphia's outcomes resolve to Yes if Philadelphia leads by more than the specified margin (1.5 or 2.5 runs) after 5 innings. If the score is tied after 5 innings, all spread outcomes resolve to No. If the game is postponed or delayed, the market remains open and closes after the rescheduled game finishes within two days.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate the beliefs of traders risking real capital. This market may show tighter or wider spreads than traditional sportsbooks depending on trader conviction and liquidity. Comparing the two can reveal where the crowd's true expectation lies versus where bookmakers have positioned their line for profit.
On Kalshi, this market is priced through an order-book mechanism where traders submit buy and sell orders that determine the current odds. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices move continuously as new orders arrive and existing positions are filled, reflecting real-time shifts in trader sentiment about the first-quarter spread outcome. The platform's transparent pricing model means all participants see the same bid-ask levels, and trades execute at the price agreed between buyer and seller at that moment.
This market resolves around Jul 10, 2026, once the Philadelphia versus Cincinnati game concludes and the first-quarter score differential is verified. The outcome is confirmed when the point spread for the opening quarter is finalized against credible public sources, such as official NFL records or major sports data providers. Traders holding positions at resolution will be paid out based on whether the actual spread matched their prediction.
Key catalysts include injury reports, weather forecasts, and betting line movements from major sportsbooks, all of which can shift trader expectations about first-quarter performance. Team news—such as a starting quarterback being ruled out or a defensive star's status changing—often triggers sharp repricing. Additionally, pregame analysis from respected analysts and shifts in public betting patterns can influence how traders position themselves. Close to kickoff, any last-minute roster changes or unusual line movement at traditional sportsbooks may prompt rapid adjustments in this market.