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: Jun 28, 8:54 PM EST
Kalshi
This event determines which team leads after the first five innings of the June 28, 2026 game, with a separate outcome for ties. If the game is postponed or delayed, the market remains open and resolves after the rescheduled game completes within two days.
Resolution is determined by comparing the run totals for each team at the end of the fifth inning in the New York Y vs Boston professional baseball game originally scheduled for June 28, 2026 at 7:20 PM EDT. The New York Y outcome resolves to Yes if New York Y has more runs than Boston after five innings. The Boston outcome resolves to Yes if Boston has more runs than New York Y after five innings. The Tie outcome resolves to Yes if both teams have equal runs after five innings; when a tie occurs, the Tie outcome resolves to Yes and all team outcomes resolve to No. If the game is postponed or delayed, the market remains open and closes after the rescheduled game finishes, provided it occurs within two days of the original scheduled date.
Prediction market odds and sportsbook odds often diverge because they reflect different pricing mechanisms. Sportsbooks set odds to balance their book and manage risk, while prediction markets like this one are priced by traders who buy and sell shares based on their own forecasts. Prediction markets can sometimes offer sharper, crowd-sourced pricing because traders have direct financial incentive to identify mispriced outcomes. However, sportsbooks may move faster on breaking news. Comparing this market's odds to major sportsbook lines can reveal where the crowd sees value in the first five innings matchup.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective belief of market participants about which team will lead after five innings. As new information emerges—injury reports, weather updates, or lineup changes—traders adjust their positions, causing prices to shift in real time. Higher prices indicate stronger confidence in that outcome, while lower prices suggest skepticism. This dynamic pricing allows the market to incorporate new signals continuously until close.
This market resolves around Jun 29, 2026, once the first five innings of the matchup are complete and the result is verifiable from credible public reporting. The outcome is determined by which team holds the lead after exactly five innings have been played. Resolution occurs after official scorekeeping confirms the score at that point in the game. Traders should monitor the game closely as the fifth inning concludes to understand when final settlement will occur and ensure their positions reflect their latest forecast.
Several factors could shift prices before this market closes. Lineup announcements, starting pitcher confirmations, and injury updates for key players will influence trader expectations about early-game momentum. Weather conditions at game time—wind speed, temperature, and precipitation—affect ball carry and pitcher performance in the first five innings. Recent team form, head-to-head history, and any last-minute roster changes can trigger repricing. Breaking news about player availability or unexpected tactical adjustments may also prompt traders to reassess their positions. Active traders monitor these catalysts closely to identify profitable trading opportunities.