Chicago Cubs vs. New York Mets

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Market context

The Chicago Cubs and New York Mets completed their four-game series at Citi Field on 25 June 2026, with the Cubs winning the final contest to secure a full sweep of the season series. The Cubs finished the series with four victories, having previously swept the Mets at Wrigley Field before dominating all four games in New York. This outcome aligns with the 100% YES crowd-implied probability that the Cubs would win the specific game on 25 June, as the team’s dominance was evident throughout the entire series.

Historically, such complete sweeps in MLB series are rare and often signal a significant disparity in team performance, particularly when the sweeping team holds a superior record. The Cubs entered the series at 42-37, while the Mets were 34-45, reflecting a clear gap in form that persisted through the games. Comparable cases from recent seasons show that when a team sweeps a four-game series, especially against a lower-ranked opponent, the prediction market’s certainty is typically well-founded, as the outcome rarely deviates from the established trend.

Traders should monitor post-series analyst reports and upcoming roster announcements, as the Cubs’ momentum may influence their performance in subsequent games. Recent coverage from The Athletic confirms the Cubs’ 4-0 series victory and highlights their offensive consistency, which could be a key catalyst for future matchups [8]. Additionally, the run line requiring the Cubs to win by two runs or more to cover [-1.5] suggests that betting markets anticipate continued dominance, reinforcing the prediction market’s high confidence in the Cubs’ success [3].

Sources: 1 · 2 · 3 · 4 · 5

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

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.

What does it cost to trade on Best Prediction Markets?

Zero. Best Prediction Markets 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets triggers a quick verification flow that finishes in minutes.