TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 30, 8:44 PM EST
Kalshi
This event predicts the run margin between St. Louis and Atlanta during only the first five innings of their June 30, 2026 game. Outcomes cover scenarios where either team leads by various margins after five innings.
Resolution is based on the score differential after the first five innings of the St. Louis vs Atlanta professional baseball game originally scheduled for June 30, 2026 at 7:15 PM EDT. The event includes outcomes for Atlanta winning by more than 2.5 or 1.5 runs, and St. Louis winning by more than 1.5 or 2.5 runs through five innings. Each outcome resolves independently: if the leading team's margin exceeds the specified threshold at the end of five innings, that outcome resolves to Yes; otherwise it resolves to No. If the game is postponed or delayed, the market remains open and closes after the rescheduled game finishes within two days. The official score at the end of the fifth inning as recorded by Major League Baseball determines the result.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market aggregates trader conviction across the betting public, which can reveal sharper or more contrarian views than a sportsbook line. Comparing this market's implied probability to major sportsbook spreads can highlight where the crowd sees value or where consensus has shifted, making it a useful cross-check for your own analysis.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks on contracts representing each side of the first 5 spread outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the collective probability estimate of all active traders; as new information emerges or sentiment shifts, the bid-ask spread tightens or widens accordingly. Kalshi's transparent matching engine ensures that every trade executes at the best available price, and the resulting market price serves as a real-time consensus forecast of the opening quarter spread between St. Louis and Atlanta.
This market resolves around Jul 1, 2026, once the St. Louis vs Atlanta game concludes and the first-quarter spread result is verified against credible public sources. The outcome is determined by comparing the actual first-quarter point differential to the spread specified in the market contract. All open positions settle automatically based on the verified final score of the opening quarter, with no manual intervention required. Traders should monitor official league reporting and box scores to confirm the exact margin before the resolution window closes.
Key catalysts include injury announcements or roster changes affecting either team's starting lineup, recent form and momentum heading into game day, and late-breaking news about player availability or coaching adjustments. Weather conditions and venue factors can also shift first-quarter dynamics, as can line movement at major sportsbooks, which often signals sharp money repositioning. Public betting trends and media narratives may drive retail trader activity, while Vegas adjustments typically precede significant market repricing. Monitor team news, injury reports, and pregame commentary closely, as first-quarter spreads are particularly sensitive to early-game momentum and opening-possession outcomes.