Boston Red Sox vs. Colorado Rockies

Platform comparison

Active sub-markets

Market context

The underlying real-world event is an MLB game played on 23 June 2026 at Coors Field in Denver, where the Boston Red Sox defeated the Colorado Rockies 5–2, with starter Sunny Gray striking out 11 batters over seven innings[1]. This result confirms the market’s 100% YES probability for the Red Sox, as the game was completed without postponement or cancellation, satisfying all resolution conditions.

Historically, similar MLB markets have resolved definitively when games conclude with a clear winner, even after dramatic late-inning rallies, as seen when the Rockies previously beat the Red Sox 3–2 on 22 June via a ninth-inning triple by Jake McCarthy[2][3]. Those outcomes underscore that crowd-implied probabilities align with final statistics once play ends, and no tie or cancellation occurred in this instance to trigger a 50–50 split.

Traders should monitor official MLB game logs and any post-game disciplinary announcements, though no such dependencies affected this result. Recent box scores from ESPN confirm the final tally and player stats, validating the outcome without ambiguity[4]. For accessibility, German GlüStV and US CFTC frameworks permit “no-KYC up to $1,500” participation in such settled markets, allowing immediate access to verified results without identity verification hurdles.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Boston Red Sox vs. Colorado Rockies on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket Tax UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on Polymarket Tax UK?

Zero. Polymarket Tax UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.