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: Jul 6, 10:04 PM EST
Kalshi
A professional baseball game between two teams will take place on a scheduled date in summer 2026. The event focuses on whether either team will score at least one run during the opening inning of the matchup.
If either team scores a run in the first inning of the Arizona vs San Diego professional baseball game originally scheduled for Jul 6, 2026 at 9:40 PM EDT, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they serve different purposes and operate under different constraints. Sportsbooks set lines to balance action and manage risk, while prediction markets like this one reflect pure trader belief through continuous price discovery. Sportsbooks typically adjust for the vig or juice they charge, whereas prediction markets have tighter spreads. Over time, prediction markets tend to converge toward actual outcomes because traders face direct financial consequences for inaccuracy. Comparing the two can reveal valuable arbitrage opportunities and highlight where professional oddsmakers and decentralized traders disagree most sharply.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for 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 outcome reflects the last executed trade, and the spread between buy and sell orders indicates liquidity and conviction. As new information emerges—lineups, weather, injury reports—traders adjust their positions, moving the price up or down. This continuous auction process ensures that the market price incorporates all available information and trader sentiment in real time.
This market resolves around Jul 7, 2026, once the Arizona versus San Diego game concludes and the first-inning result is verifiable from credible public sources. The outcome is determined by whether either team scores at least one run during the opening inning. Resolution is straightforward and objective, tied directly to the official game record. Traders should monitor the game live and any official league communications to confirm the final result.
Several catalysts can shift odds before the game begins: starting pitcher announcements, bullpen availability, recent offensive or defensive trends, weather conditions, and lineup changes due to injury or rest. Trades by sharp bettors or sudden volume spikes often signal new information entering the market. During the inning itself, early hits, walks, or strikeouts will cause rapid repricing. Public news—such as a key player being ruled out—typically triggers immediate volatility. Monitoring these signals helps traders anticipate price moves and refine their positions.