Boston Red Sox vs. Colorado Rockies

Platform comparison

Active sub-markets

Market context

The Boston Red Sox face the Colorado Rockies in an MLB game at Coors Field on 22 June 2026 at 8:40 PM ET, with the Red Sox heavily favoured to win. Prediction markets currently imply an 85% probability of a Red Sox victory, while major sportsbooks list Boston at -137 odds, translating to roughly 57.8% implied win probability. This divergence suggests prediction traders are more confident than traditional bookmakers, possibly reflecting recent form or roster stability not fully priced into sportsbook lines.

Historically, the Red Sox have dominated this matchup, sweeping a three-game set against the Rockies last season and outscoring them 29–7. In four starts since returning from injury, Ryan Feltner holds a 3.86 ERA, reinforcing Boston’s pitching advantage in Denver’s high-altitude conditions where home runs are frequent. Comparable cases show that when a team with superior pitching visits Coors Field and has recent dominance over the opponent, win probabilities often exceed sportsbook expectations by 15–20 percentage points.

Traders should monitor starting pitcher announcements and any late roster changes, particularly for the Rockies’ bullpen, which has struggled with consistency. The game will be broadcast on NESN and MLB.TV, with live updates available via ESPN. According to MLB.com’s game preview, the Red Sox’s recent offensive surge and Feltner’s return are key catalysts that could further widen the gap between implied prediction-market probability and sportsbook odds [6].

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Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.

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

Where can I trade this market with the lowest fees?

On Best Prediction Markets, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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.