Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 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% |
| Sporting Kansas City O/U 0.5 | 100% |
| Sporting Kansas City O/U 1.5 | 100% |
| St. Louis City SC 1st Half O/U 0.5 | 100% |
| St. Louis City SC 1st Half O/U 1.5 | 100% |
| Sporting Kansas City 1st Half O/U 0.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| St. Louis City SC 2nd Half O/U 0.5 | 100% |
| Sporting Kansas City 2nd Half O/U 0.5 | 100% |
| St. Louis City SC (-1.5) | 0% |
| Sporting Kansas City (-1.5) | 0% |
| St. Louis City SC (-2.5) | 0% |
| Sporting Kansas City (-2.5) | 0% |
| O/U 5.5 | 0% |
| Sporting Kansas City O/U 2.5 | 0% |
| Sporting Kansas City 1st Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| St. Louis City SC 2nd Half O/U 1.5 | 0% |
| Sporting Kansas City 2nd Half O/U 1.5 | 0% |
Market context
St. Louis City SC face Sporting Kansas City in a Major League Soccer fixture scheduled for 16 July at 8:30 PM ET, with the prediction market currently pricing a specific secondary outcome at 0% YES. For a power-user deploying copy-trading bots or conditional orders, this zero probability signals a near-certain negative event, likely an outcome already ruled out by team form or match conditions. Programmatically, such a market is treated as a dead leg; algorithms should bypass execution to avoid slippage on illiquid contracts where the implied chance of settlement is negligible.
Historical data from previous encounters between these sides shows St. Louis as the dominant favourite, with one recent Derby match ending in a 3–1 victory for the home side[4]. Betting exchanges have previously priced St. Louis to win at odds of 1.03, indicating a overwhelming expectation of a home victory that leaves little room for the specific secondary market in question[1]. When a market sits at 0% despite a competitive league context, it usually reflects a structural dependency—such as a player not being in the squad or a rule violation—that has already been resolved by the time of trading.
Traders should monitor the official MLS squad announcements and in-game substitution logs for the catalyst that confirms the 0% reading, as any deviation would require immediate re-evaluation of the bot’s logic. Recent analysis highlights Sporting KC’s defensive vulnerabilities against St. Louis, suggesting that any market tied to a Sporting KC-specific statistical threshold is unlikely to trigger[2]. With tickets for the match available from $30, fan attendance is confirmed, but the on-field dynamics remain heavily skewed toward the home side, reinforcing the current pricing as a reliable utility signal for automated strategies[3].
Methodology
This page reviews St. Louis City SC vs. Sporting Kansas City - More Markets across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Fees, which mirrors the Polymarket order book at 0% fees.
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
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees 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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