Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
76% | 24% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
76% | 24% | 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 |
|---|---|
| 1st 5 Innings O/U 2.5 | 76% |
| 1st 5 Innings O/U 3.5 | 63% |
| O/U 8.5 | 52% |
| 1st 5 Innings O/U 4.5 | 50% |
| New York Mets vs. Atlanta Braves | 45% |
| O/U 9.5 | 42% |
| NRFI | 40% |
| Spread -1.5 | 40% |
| 1st 5 Innings Spread -1.5 | 40% |
| 1st 5 Innings O/U 5.5 | 39% |
| 1st 5 Innings Spread -2.5 | 28% |
| 1st 5 Innings O/U 6.5 | 28% |
| 1st 5 Innings Spread -1.5 | 22% |
| 1st 5 Innings Spread -2.5 | 14% |
| Extra Innings | 10% |
Market context
The underlying event is an MLB game between the New York Mets and Atlanta Braves, scheduled for Monday night at 7:15pm ET in Atlanta, where the Mets must win to resolve the market as "YES". With crowd-implied probability at 45%, the market leans against the Mets, reflecting their 18-29 away record and a recent collapse where they nearly lost a seven-run lead on Sunday[1]. Historically, similar probabilities in mid-season matchups have often favoured the home side when the away team carries poor road form; the Mets have lost eight consecutive night games against National League opponents and failed to cover the run line in seven of their last eight away games against NL East rivals[1]. Comparable cases from the 2024 and 2025 seasons show that teams with sub-40% away win rates rarely overcome such deficits without a significant pitching turnaround, making the current 45% figure a realistic, if slightly optimistic, assessment of the Mets' chances.
Traders should monitor Freddy Peralta’s performance, as he has allowed five runs in three of his last five starts and faces a rebound outing that could be the primary catalyst for the market[9]. The Braves, favoured by books with a 74% AI-model confidence, have won 12 of their last 14 home games following a home loss, suggesting strong resilience[1]. Key dependencies include whether the Mets can split the four-game series, as Yahoo Sports notes they are seeking a split after Sunday’s 10-9 victory[5]. The market is leaning on Peralta’s rebound potential and the Braves’ home dominance; any announcement of a pitching change or injury before the 7:15pm ET start could shift probabilities rapidly. Watch SignalOdds for line movements, as the current lean favouring Atlanta has held steady[3].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $577K.
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 New York Mets vs. Atlanta Braves 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
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- 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.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.
- 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.
Trade New York Mets vs. Atlanta Braves on Election Predictions UK
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