Market statistics
- Total volume
- $860K
- 24h volume
- $860K
- Open interest
- $105K
Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Available prediction outcomes (20)
Sorted by descending live probability. Click any outcome to trade it on PolyGram.
Market context
The New York Mets travel to Seattle for a regular-season MLB matchup on 3 June at 3:40PM ET, with settlement occurring in USDC against official MLB final statistics by 10 June. The 98% crowd-implied probability reflects substantial confidence in a Mets victory, a positioning that warrants examination against recent form and roster depth. The settlement window extends a week beyond the scheduled game date to accommodate potential postponements, common in early June when weather disruptions occur in the Pacific Northwest.
Historical precedent suggests such extreme probabilities (above 95%) in single-game MLB markets typically reflect either significant talent disparities or recent performance divergence rather than fundamental certainty. The Mets' 2024 roster composition and recent win-loss records against comparable opponents provide the baseline for assessing whether this probability reflects genuine edge or crowded positioning. Comparable high-probability sports contracts on prediction markets have occasionally compressed further as event dates approach, particularly when injury reports or late roster changes surface.
Traders should monitor official MLB injury reports through 2 June, particularly for starting pitchers and key position players on both rosters. Weather forecasts for Seattle on 3 June merit attention, as rain or wind conditions could influence game dynamics. Any significant roster moves, trades, or unexpected roster decisions announced by either franchise in the days preceding the match could shift the implied probability. The funding rate environment on crypto derivatives markets may also reflect broader sentiment shifts if major sports betting flows move substantially, though single-game MLB contracts typically show lower correlation to macro crypto movements than broader indices.
Wikipedia Context
-
New York CityNew York, often called New York City (NYC), is the most populous city in the United States. It is located at the southern tip of New York State on New York Harbor, one of the world's largest natural harbors. The city comprises five boroughs—Manhattan, Brooklyn, Queens, The Bronx, and Staten Island; each is coextensive with its respective county. It is the ge
-
The New York TimesThe New York Times (NYT) is a newspaper based in Manhattan, New York City. The New York Times covers domestic, national, and international news, and publishes opinion pieces and reviews. One of the longest-running newspapers in the United States, the Times serves as one of the country's newspapers of record. As of August 2025, The New York Times had 11.88 mi
-
New York (state)New York, also called New York State, is a state located in the northeastern United States. Bordering New England to its east, Canada to its north, and Pennsylvania and New Jersey to its south, it extends into both the Atlantic Ocean and the Great Lakes. New York is the fourth-most populous state in the United States, with over 20 million residents, and the
-
New York KnicksThe New York Knickerbockers, shortened and more commonly referred to as the New York Knicks, are an American professional basketball team based in the New York City borough of Manhattan. The Knicks compete in the National Basketball Association (NBA) as a member of the Atlantic Division of the Eastern Conference. The team plays its home games at Madison Squa
Methodology
This page reads New York Mets vs. Seattle Mariners on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
Resolution source: This market settles from the official publication at https://www.mlb.com/. A proposer submits the result to the UMA Optimistic Oracle on Polygon, the two-hour challenge window opens, and the smart contract pays out in USDC.
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
Trade New York Mets vs. Seattle Mariners on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Open live market →