Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
61% | 39% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
61% | 39% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 5.5 | 61% |
| 1st 5 Innings O/U 2.5 | 59% |
| 1st 5 Innings O/U 3.5 | 55% |
| O/U 4.5 | 53% |
| 1st 5 Innings O/U 4.5 | 52% |
| 1st 5 Innings O/U 5.5 | 52% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings Spread -1.5 | 50% |
| 1st 5 Innings O/U 6.5 | 50% |
| Extra Innings | 50% |
| Miami Marlins vs. New York Mets | 46% |
| Spread -1.5 | 31% |
| O/U 6.5 | 31% |
| Spread -1.5 | 28% |
| O/U 7.5 | 21% |
| Spread -2.5 | 19% |
| Spread -2.5 | 19% |
| O/U 8.5 | 16% |
| NRFI | 0% |
Market context
The Miami Marlins visit the New York Mets with the market sitting at **46% YES**, which is broadly in line with a modest underdog position rather than a strong directional edge. ESPN listed the Mets around **-136** and the Marlins at roughly **+116**, implying New York was the clearer favourite, while other bookmakers clustered the price closer to a near pick’em as the game approached.[1][4]
For context, that sort of mid-40s probability usually reflects a game where recent form and starting pitching matter more than any structural mismatch. The most recent comparable meetings this season have tended to land with New York controlling the matchup, including a **10-1** Mets win and a **6-1** Mets win in late May, which helps explain why traders have not priced Miami as a favourite even when the broader line has softened at times.[3] Earlier 2026 meetings also showed the sides trading shorter prices, with the Mets favoured in some spots and Miami attracting occasional support when the market moved closer to even money.[9][13]
The main catalyst to watch is the final pitching and line-up confirmation, because late changes can move a market like this more than team record alone. Yahoo’s game preview noted probable starters and showed the line still tight enough that any scratch, bullpen-heavy plan, or weather delay could alter the closing price materially.[4] As of the latest published odds, the consensus still leaned towards New York, so any shift towards Miami would most likely come from rotation news or a broader market move rather than a new season-long trend.[1][3][11]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $178K.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Miami Marlins vs. New York Mets plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
Trade Miami Marlins vs. New York Mets on Election Predictions UK
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