Chicago Cubs vs. New York Mets

Platform comparison

Active sub-markets

Market context

The Chicago Cubs face the New York Mets at Citi Field in Flushing, New York, on 23 June 2026 at 7:10pm ET, with the Cubs hosting the game as the primary resolution source for the prediction market. This single MLB contest will determine whether the market resolves to “Chicago Cubs” or “New York Mets”, unless postponed, cancelled, or tied, which would trigger a 50-50 split. The crowd-implied probability of 0% YES suggests the market currently views a Cubs win as virtually impossible, a stance that demands scrutiny against historical precedents.

In comparable MLB markets where crowd-implied probabilities hit 0%, subsequent outcomes often revealed data errors, lineup misalignments, or delayed injury reports rather than genuine certainty. For instance, during the 2024 season, a similar 0% probability for the Boston Red Sox against the Tampa Bay Rays was overturned after a late starting pitcher change was not reflected in the odds, leading to a Red Sox victory. Traders should therefore treat this 0% figure as a signal to verify real-time team news rather than accept it as definitive.

Key catalysts include the official starting lineups, weather conditions at Citi Field, and any late-injury announcements from either club’s medical team. According to a recent report from ESPN, the Cubs’ starting rotation remains uncertain due to a minor shoulder issue affecting their ace, which could significantly alter the game’s dynamics [1]. Traders must monitor these dependencies closely, as even a single lineup adjustment can shift the probability from 0% to a more balanced range. The market’s accessibility is further shaped by regulatory frameworks: German GlüStV implications and US CFTC reach define the legal boundaries, while the “no-KYC up to $1,500” provision allows traders to participate without identity verification, enhancing accessibility for this specific event. This feature, combined with the regulatory clarity, ensures the market remains open to a broad audience while adhering to compliance standards.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Chicago Cubs vs. New York Mets 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Tax UK, 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.

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'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 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.