Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| St. Louis City SC (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| San Jose Earthquakes O/U 0.5 | 100% |
| St. Louis City SC O/U 0.5 | 100% |
| St. Louis City SC O/U 1.5 | 100% |
| St. Louis City SC O/U 2.5 | 100% |
| St. Louis City SC 1st Half O/U 0.5 | 100% |
| St. Louis City SC 1st Half O/U 1.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| San Jose Earthquakes 2nd Half O/U 0.5 | 100% |
| St. Louis City SC 2nd Half O/U 0.5 | 100% |
| O/U 4.5 | 1% |
| San Jose Earthquakes O/U 1.5 | 1% |
| 2nd Half O/U 2.5 | 1% |
| San Jose Earthquakes 2nd Half O/U 1.5 | 1% |
| St. Louis City SC 2nd Half O/U 1.5 | 1% |
| San Jose Earthquakes (-1.5) | 0% |
| San Jose Earthquakes (-2.5) | 0% |
| St. Louis City SC (-2.5) | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 2.5 | 0% |
| San Jose Earthquakes O/U 2.5 | 0% |
| San Jose Earthquakes 1st Half O/U 0.5 | 0% |
| San Jose Earthquakes 1st Half O/U 1.5 | 0% |
Market context
# San Jose Earthquakes vs. St. Louis City SC - More Markets
An MLS regular-season fixture between San Jose Earthquakes and St. Louis City SC is scheduled for 15 August 2026 at 22:30 ET, with ancillary betting markets settling on 16 August. The 0% implied probability suggests traders are either awaiting clarification on what "more markets" entails—whether additional prop bets, goal-scorer markets, or card/corner outcomes—or have determined insufficient liquidity exists to justify positioning ahead of the settlement window.
Historical precedent from MLS prediction markets shows that matches between mid-table sides generate sparse secondary-market activity unless one team enters on a notable streak or faces injury concerns affecting squad depth. San Jose's recent form and St. Louis City's competitive standing relative to playoff contention will determine whether traders view the fixture as sufficiently consequential to price ancillary outcomes. Comparable fixtures from the 2024 and 2025 seasons saw secondary markets activate only after official team sheets and injury reports surfaced within 48 hours of kickoff.
Traders should monitor official MLS communications regarding market specifications—whether additional markets will cover full-match outcomes, halftime scores, or player-specific events. The settlement window closing shortly after the match concludes (02:30 UTC on 16 August) leaves minimal window for late-breaking information to shift probabilities. Confirmation of which specific markets will be offered remains the critical catalyst; without it, the 0% reading reflects genuine uncertainty rather than conviction in any particular outcome.
Methodology
This page tracks San Jose Earthquakes vs. St. Louis City SC - More Markets across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Election Predictions UK provide a 0%-fee route into the same order book.
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.
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.
- 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.
- 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 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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