Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
94% | 6% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
94% | 6% | 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 0.5 | 94% |
| Seattle Sounders FC O/U 0.5 | 90% |
| O/U 1.5 | 86% |
| 1st Half O/U 0.5 | 79% |
| O/U 2.5 | 66% |
| Seattle Sounders FC O/U 1.5 | 66% |
| Portland Timbers O/U 0.5 | 64% |
| Seattle Sounders FC 1st Half O/U 0.5 | 64% |
| Both Teams to Score | 61% |
| Portland Timbers 2nd Half O/U 0.5 | 53% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Seattle Sounders FC 2nd Half O/U 0.5 | 50% |
| Seattle Sounders FC 2nd Half O/U 1.5 | 50% |
| Portland Timbers 2nd Half O/U 1.5 | 50% |
| 1st Half O/U 1.5 | 45% |
| O/U 3.5 | 44% |
| Seattle Sounders FC (-1.5) | 39% |
| Portland Timbers 1st Half O/U 0.5 | 39% |
| Seattle Sounders FC O/U 2.5 | 36% |
| Portland Timbers O/U 1.5 | 31% |
| Seattle Sounders FC 1st Half O/U 1.5 | 25% |
| O/U 4.5 | 24% |
| Both Teams to Score in First Half | 24% |
| Seattle Sounders FC (-2.5) | 21% |
| 1st Half O/U 2.5 | 20% |
| O/U 5.5 | 12% |
| Portland Timbers O/U 2.5 | 10% |
| Portland Timbers 1st Half O/U 1.5 | 9% |
| Portland Timbers (-1.5) | 6% |
| Portland Timbers (-2.5) | 2% |
Market context
Seattle Sounders FC vs. Portland Timbers - More Markets — current market-implied probability: 94%. More markets for the MLS game, scheduled for July 16 at 10:30 PM ET.
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 Seattle Sounders FC vs. Portland Timbers - More Markets 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
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
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.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- 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 Seattle Sounders FC vs. Portland Timbers - More Markets on Election Predictions UK
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