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: Jun 30, 11:09 PM EST
Kalshi
This baseball event covers spread betting on the Los Angeles Angels versus Seattle Mariners game scheduled for June 30, 2026, focusing on the first five innings of play. Bettors can wager on whether either team will win by specific run margins during this early portion of the game.
Resolution is determined by the run differential at the end of the first five innings of the LAA vs SEA game originally scheduled for June 30, 2026 at 9:40 PM EDT. The event includes four distinct spread outcomes: Seattle winning by more than 2.5 runs, Seattle winning by more than 1.5 runs, Los Angeles winning by more than 1.5 runs, and Los Angeles winning by more than 2.5 runs. If the game is postponed or delayed, the market remains open and resolves after the rescheduled game concludes, within two days of the original scheduled date.
Prediction market odds and sportsbook odds often diverge because they serve different purposes and audiences. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one reflect pure trader belief—there is no house edge or vig. Traders on Kalshi are incentivized to price outcomes accurately to profit, which can reveal inefficiencies in traditional sportsbook spreads. Comparing the two can highlight where sharp bettors see value, though sportsbook odds remain the primary reference for sports betting consensus.
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 bid and ask shows the current liquidity and conviction around that outcome. As new information emerges or trader sentiment shifts, prices adjust in real time. You can enter limit or market orders to trade at your preferred price, and the platform matches buyers and sellers continuously throughout the trading window.
This market resolves around Jul 1, 2026, once the first quarter of the Los Angeles versus Seattle game concludes and the final spread is verified against credible public sources. The outcome is determined by the point differential at the end of the first five minutes of play, compared to the strike price set at market creation. Resolution is automatic once the event is confirmed, and all shares are settled according to the actual result. Traders should monitor official game broadcasts and league reporting for confirmation.
Key catalysts include injury reports or roster changes affecting either team's starting lineup, recent team performance trends, and weather conditions if the game is outdoors. Public betting action and sharp money flowing into sportsbooks can also shift trader expectations on this market. Breaking news about player availability, coaching decisions, or momentum shifts in the days before the game will likely trigger repricing. Real-time game developments during the first quarter—such as early turnovers, penalties, or scoring runs—will drive final price movements as traders update their forecasts in the closing moments before resolution.