Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
71% | 29% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
71% | 29% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 71% |
| 1st 5 Innings O/U 3.5 | 56% |
| New York Yankees vs. Baltimore Orioles | 52% |
| O/U 7.5 | 50% |
| NRFI | 44% |
| 1st 5 Innings O/U 4.5 | 43% |
| O/U 8.5 | 42% |
| Spread -1.5 | 38% |
| 1st 5 Innings O/U 5.5 | 32% |
| Spread -1.5 | 32% |
| O/U 9.5 | 32% |
| 1st 5 Innings Spread -1.5 | 30% |
| 1st 5 Innings Spread -1.5 | 28% |
| Spread -2.5 | 28% |
| Spread -2.5 | 22% |
| 1st 5 Innings O/U 6.5 | 21% |
| Extra Innings | 10% |
Market context
The New York Yankees face the Baltimore Orioles in an MLB regular-season matchup scheduled for 20 August at 6:35PM ET. The current crowd-implied probability of 52% for a Yankees victory reflects a near-even assessment, though the Yankees enter as the marginal favourite in most sportsbooks. This game falls within the final stretch of the regular season, when both teams' playoff positioning and roster availability become material factors in match outcomes.
Historically, the Yankees' regular-season record against the Orioles has favoured New York, though recent seasons have shown increased competitiveness from Baltimore. The 52% probability suggests traders are pricing in the Yankees' superior historical win rate whilst acknowledging the Orioles' improved roster construction and pitching depth over the past two seasons. Head-to-head records in August typically reflect teams' current form rather than season-long trends, making recent performance data more predictive than aggregate season statistics.
Key variables for traders to monitor include confirmed starting pitchers, which typically influence match outcomes by 3–5 percentage points depending on ERA differential. Roster availability—particularly injuries to key position players or relief pitchers—can shift probabilities materially in the 48 hours before game time. Weather conditions at Oriole Park at Camden Yards, including wind direction and temperature, historically favour either power-hitting or pitching-dominant outcomes. Recent news from MLB injury reports and team announcements should be cross-referenced with sportsbook line movements in the days preceding 20 August to identify whether the 52% probability reflects genuine uncertainty or mispricing relative to fundamental factors.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $181K.
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 Yankees vs. Baltimore Orioles 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.
UK Frequently Asked Questions
- 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.
- 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 Trump Prediction 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.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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