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Boston vs Seattle

June 21, 2026 at 4:10 PM
KXMLBGAME-26JUN211610BOSSEA
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LinesSportsbooks haven't posted lines for this game yet — typically 1-2 days before tipoff. Kalshi is the canonical signal until books open.
56.5%
Bid 54.0¢ · Ask 59.0¢ · Last 59.0¢
43.5%
Bid 41.0¢ · Ask 46.0¢ · Last 43.0¢
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Boston vs Seattle odds — FAQ

What are the current odds for Boston vs Seattle?
Live Kalshi implied probability and per-book sportsbook prices for Boston vs Seattle are shown above, updated every 5 minutes. Compare against the de-vigged book median to find the cheapest side.
When is Boston vs Seattle?
Boston vs Seattle starts at Sun, 21 Jun 2026 16:10:00 GMT. Markets close at kickoff/tip-off on most books; Kalshi typically keeps trading until the event resolves.
Where can I get the best price on Boston vs Seattle?
The "Best book" column above identifies the sportsbook offering the longest American price per side. We track 0 books on this matchup; subscribe to Pro for full per-book pricing across all MLB markets.
Is Boston vs Seattle on Kalshi?
Yes — Kalshi lists MLB game markets as event contracts. You buy YES or NO at the listed price; contracts settle at $1 or $0 when the game ends.
Boston vs Seattle 2026 odds — Kalshi vs Polymarket vs sportsbooks | SportsBookISH