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OPEN INTEREST:

$1,416,970,024

400,720

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30,097

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MATCHED EVENTS:

2,633

PLATFORM COVERAGE:

5

Polymarket:

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Washington vs Boston: Spread
kalshi

What is the final margin of victory in Washington vs Boston?

Volume:
$252,066

Washington wins by over 1.5 runs

 - Kalshi

Washington wins by over 1.5 runs - Kalshi

1W

News

Positive

Negative

Neutral

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Vol.

·

Resolved Jul 1, 2026

Closed: Jun 30, 10:14 PM EST

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Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Washington wins by over 1.5 runs

View
100%
Yes 100¢No 0¢
100¢
N/A
$34,415
N/A
N/A
$14,782
Settled
Yes
kalshi

Washington wins by over 3.5 runs

100%
Yes 100¢No 0¢
100¢
N/A
$25,757
N/A
N/A
$15,014
Settled
Yes
kalshi

Washington wins by over 2.5 runs

100%
Yes 100¢No 0¢
100¢
N/A
$20,370
N/A
N/A
$8,964
Settled
Yes
kalshi

Nationals wins by over 6.5 runs

100%
Yes 100¢No 0¢
100¢
N/A
$16,864
N/A
N/A
$9,002
Settled
Yes
kalshi

Nationals wins by over 4.5 runs

100%
Yes 100¢No 0¢
100¢
N/A
$14,655
N/A
N/A
$10,818
Settled
Yes
kalshi

Nationals wins by over 5.5 runs

100%
Yes 100¢No 0¢
100¢
N/A
$7,666
N/A
N/A
$4,035
Settled
Yes
kalshi

Boston wins by over 1.5 runs

0%
Yes 0¢No 100¢
100¢
N/A
$105,997
N/A
N/A
$67,631
Settled
No
kalshi

Boston wins by over 2.5 runs

0%
Yes 0¢No 100¢
100¢
N/A
$19,398
N/A
N/A
$12,358
Settled
No
kalshi

Boston wins by over 3.5 runs

0%
Yes 0¢No 100¢
100¢
N/A
$6,221
N/A
N/A
$5,819
Settled
No
kalshi

Nationals wins by over 7.5 runs

0%
Yes 0¢No 100¢
100¢
N/A
$724
N/A
N/A
$529
Settled
No
Total markets: 10

Description

This event tracks the final margin of victory in a professional baseball game between Washington and Boston scheduled for June 30, 2026. Bettors predict whether Boston will win by a large margin, Washington will win by a large margin, or the game will be decided by a smaller run differential.

Kalshi

Resolution is determined by the final run differential in the Washington vs Boston professional baseball game originally scheduled for Jun 30, 2026 at 7:10 PM EDT. Boston victory margins are measured at thresholds of 1.5, 2.5, and 3.5 runs, with each threshold representing a separate resolution outcome. Similarly, Washington victory margins are measured at the same thresholds. Each outcome resolves to Yes if the specified team wins by more than the stated run margin; all other outcomes resolve to No.

Frequently asked questions

The dashboard on Kalshi tracks real-time pricing and trading activity for the Washington vs Boston spread market. You can monitor the current odds, view the price history as traders adjust their positions, and observe 24-hour volume of $246,687 to gauge market interest. This snapshot helps you understand how prediction market participants are pricing the expected point differential between these two teams, updated continuously as new trades execute.

Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate beliefs from traders risking real capital. This market's odds may lead or lag traditional sportsbook spreads depending on which venue's participants have fresher information or stronger conviction. Comparing the two can reveal where consensus is strongest or where sharp traders see value.

On Kalshi, this market is priced through a continuous order book where traders buy and sell shares representing different spread outcomes. 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 collective willingness of traders to take positions, with tighter spreads indicating higher confidence and wider spreads suggesting uncertainty. As new information emerges or sentiment shifts, traders adjust their bids and offers, causing the market price to move in real time.

This market resolves around Jul 1, 2026, once the game concludes and the final score is verified. The outcome is determined by the actual point differential between Washington and Boston, confirmed against credible public reporting of the official game result. Resolution occurs automatically once the event is complete and the margin is established, settling all open positions based on whether the spread landed above or below the predicted threshold.

Key catalysts include injury announcements, lineup changes, weather conditions on game day, and recent team performance trends. Betting action from sharp traders or large funds can also shift prices significantly. Media coverage, coaching decisions, and any last-minute roster moves may influence trader sentiment in the final hours. Monitoring team news, practice reports, and Vegas line movements can help you anticipate how this market may respond before the game begins.