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: Sep 20, 4:27 PM EST
Kalshi
Miami hosts San Diego in a regular-season baseball game on September 20, 2026, with this market resolving based solely on first-inning scoring by either side. The outcome depends heavily on how the starting pitchers handle their opposing lineups in what could be a tightly contested early-game battle between these National League teams.
If either team scores a run in the first inning of the Miami vs San Diego professional baseball game originally scheduled for Sep 20, 2026 at 4:10 PM EDT, then the market resolves to Yes.
Generally, prediction market odds tend to reflect the wisdom of the crowd, often proving more accurate than initial sportsbook lines. Sportsbooks set their odds based on models and expert analysis, but can be influenced by factors like public bias or the need to balance action on both sides. This market, driven by traders actively expressing their beliefs, can quickly incorporate new information and adjust probabilities. While sportsbooks may offer similar markets, the pricing mechanism and information aggregation differ, potentially leading to discrepancies in implied probabilities.
On Kalshi, this market is priced using a continuous double auction. Traders buy and sell contracts representing a 'yes' or 'no' outcome – in this case, whether a run will be scored in the first inning. The price of these contracts fluctuates based on supply and demand, directly reflecting the collective belief of the traders. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The closer the game gets, the more volatile the pricing can become as new information emerges. The current price represents the probability of a run being scored, as perceived by the market participants.
This market resolves around Sep 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the official scoring records for the Miami versus San Diego baseball game will be used to determine if a run was scored in the first inning. The resolution will be based on the official game statistics as reported by a recognized sports data provider. The market will then settle, and contract holders will receive payouts based on the outcome.
Several factors could influence the price of this market. Late-breaking news regarding starting pitchers, such as an injury announcement, would likely have a significant impact. Weather conditions at the game location, particularly forecasts of heavy rain that could affect offensive play, could also shift the probabilities. Even lineup changes, especially those involving key hitters, could cause traders to reassess their predictions. Any information that alters perceptions of the teams’ offensive capabilities has the potential to move this market before Sep 20, 2026.