Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
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% |
| 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 4.5 | 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 1.5 | 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 travel to face St. Louis City SC in Major League Soccer on 15 August, with the match kicking off at 22:30 ET. The crowd-implied probability of 0% YES suggests the market has assigned negligible odds to the outcome this market tracks—likely a specific result, goal scorer, or team performance metric rather than a simple match winner.
Historical MLS matchups between these franchises offer limited precedent; St. Louis City entered the league only in 2023, so direct head-to-head records remain sparse. Comparable mid-table MLS fixtures typically settle with modest volatility once team form and injury status crystallise in the final week before play. The 0% reading reflects either extreme consensus against the event occurring or insufficient liquidity to establish meaningful odds. Given the settlement window closes just hours after kick-off, late-breaking team news—squad rotation, tactical shifts, or unexpected absences—will carry outsized weight in how the final probability shifts.
Traders should monitor official team sheets released 24 hours before the fixture, as both clubs' fixture congestion in August often forces rotation decisions that reshape expected outcomes. Recent MLS scheduling has compressed fixtures heavily, and San Jose's travel logistics to Missouri may influence available personnel. St. Louis City's home record and current league position relative to San Jose's form will determine whether the current extreme probability reflects genuine consensus or merely thin order books awaiting volume.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win 2026, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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