TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 18, 11:19 PM EST
Kalshi
This market tracks which team will win the professional baseball matchup between San Francisco and Seattle. On Kalshi, San Francisco is favored at 64.0%, while Seattle stands at 35.0%. The market resolves according to the official result of the game scheduled for July 18, 2026 at 8:08 PM EDT. Watch for the final outcome of this game on July 18, 2026, which will determine the market resolution.
Resolution depends on which team wins the scheduled game. If the game is postponed or delayed, the market remains open and closes after the rescheduled game finishes within two days. If the game is cancelled or rescheduled to more than two days away, the market resolves to fair price in accordance with the rules.
Prediction market odds and sportsbook odds often diverge because they serve different purposes. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets reflect pure trader belief—no house edge. On Kalshi, odds are crowdsourced from thousands of independent participants with real money at stake, creating a direct incentive to forecast accurately. Sportsbooks, by contrast, adjust lines based on liability and betting patterns. This market's odds may lead or lag sportsbook lines depending on which venue aggregates information faster. Comparing the two can reveal arbitrage opportunities or signal where professional and retail sentiment diverge.
On Kalshi, this market is priced through a continuous order book 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. Prices range from 0 to 100 cents per share, with the midpoint reflecting the crowd's consensus probability. As new information emerges—team announcements, injury reports, or expert commentary—traders adjust their orders, and the price moves instantly. Higher prices indicate stronger conviction in that outcome. You can place limit orders to buy or sell at your target price, or execute market orders immediately at the current ask or bid. Volume and spread tightness show how liquid and competitive pricing is at any given moment.
This market resolves around Jul 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be determined by the final score and official game records. Until that date, prices will fluctuate as new information—team form, player availability, weather, and expert analysis—influences trader expectations. Early resolution is unlikely unless the event is cancelled or postponed; otherwise, you'll hold your position until the scheduled end date when the actual result becomes official.
Key catalysts include injury announcements, roster changes, and team performance in preceding games. Media coverage and expert predictions can shift retail trader sentiment, while sharp bettors may react first to statistical models or coaching decisions. Home-field advantage, weather conditions, and historical head-to-head records often surface as traders reassess probabilities. Breaking news—trades, suspensions, or coaching changes—typically triggers sharp price moves. Public betting patterns on sportsbooks can also influence prediction market traders who monitor cross-venue activity. As the event date approaches, final team confirmations and pre-game commentary tend to narrow ranges and tighten spreads, reflecting higher confidence in the outcome.