Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
76% | 24% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
76% | 24% | 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 | 76% |
| 1st 5 Innings O/U 3.5 | 65% |
| O/U 7.5 | 60% |
| 1st 5 Innings O/U 4.5 | 54% |
| O/U 8.5 | 53% |
| NRFI | 51% |
| 1st 5 Innings O/U 5.5 | 43% |
| Chicago White Sox vs. Detroit Tigers | 42% |
| O/U 9.5 | 42% |
| Spread -1.5 | 40% |
| 1st 5 Innings Spread -1.5 | 37% |
| 1st 5 Innings O/U 6.5 | 31% |
| Spread -1.5 | 31% |
| Spread -2.5 | 30% |
| 1st 5 Innings Spread -1.5 | 27% |
| Spread -2.5 | 24% |
| Extra Innings | 9% |
Market context
The Chicago White Sox face the Detroit Tigers in an MLB regular-season matchup on 14 August at 6:40PM ET. The current crowd-implied probability of 42% for a White Sox victory reflects moderate confidence in Detroit, though both teams remain mathematically engaged in their respective divisional races at this stage of the season.
Historical matchup data between these AL Central rivals provides context for interpreting the 42% probability. Over their last ten meetings, the White Sox have won approximately 45% of games, whilst Detroit has claimed slightly more than half. The White Sox's recent form and roster composition relative to Detroit's pitching depth will determine whether this probability reflects genuine competitive balance or undervalues one side. Bettors should examine each team's performance against comparable opponents in the weeks preceding 14 August, as mid-August form often diverges sharply from season-long averages.
Key catalysts for probability movement include injury reports released in the days before the fixture—particularly regarding starting pitchers and key position players—and weather conditions at Comerica Park, which can significantly favour either team depending on wind direction and temperature. Detroit's home-field advantage typically warrants a 3–5 percentage-point adjustment in their favour, though this varies with crowd size and team momentum. Traders should monitor MLB injury reports and weather forecasts through 13 August, as late roster decisions or weather delays could shift the implied probability materially before the settlement window closes on 21 August.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $116K.
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 Chicago White Sox vs. Detroit Tigers 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.
- 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 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.
- 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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