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: May 29, 9:00 PM EST
Kalshi
This market tracks whether either the San Francisco Giants or Colorado Rockies will score a run during the first inning of their matchup. On Kalshi, the probability that at least one run scores in the opening frame stands at 53.0%, with the alternative outcome at 47.0%. Resolution will be determined by the official result of the game scheduled for May 29, 2026 at 8:40 PM EDT. Watch the teams' recent offensive performance and starting pitcher matchups leading up to first pitch on May 29 to gauge early-inning scoring likelihood.
Prediction market odds on Kalshi reflect real-time trader positioning and differ from traditional sportsbook lines because they aggregate decentralized participant beliefs rather than bookmaker risk management. Sportsbooks adjust odds to balance action and lock in margin; prediction markets move based on supply and demand from individual traders. Comparing Kalshi odds to major sportsbooks can reveal whether the market is pricing first-inning runs as more or less likely than professional oddsmakers, offering insight into where consensus diverges.
The market resolves on May 30, 2026, after the first inning of the San Francisco vs Colorado game concludes. Resolution is determined by whether at least one run crosses the plate during that inning. Once the first inning ends, the outcome is locked in and the market settles accordingly. Traders holding the winning side receive their payout, while the losing side expires worthless. The timing ensures resolution occurs shortly after the relevant game action completes.
Key catalysts include lineup announcements, starting pitcher confirmation, weather conditions at game time, and recent offensive or defensive performance trends. Injury updates to key hitters or pitchers can shift expectations for early scoring. Pre-game commentary from analysts or team statements may influence trader positioning. As game time approaches, any last-minute roster changes or weather deterioration could prompt sharp traders to adjust their positions, moving the market price up or down. Real-time game conditions immediately before first pitch also matter.