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% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| St. Louis City SC O/U 0.5 | 100% |
| St. Louis City SC 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% |
| St. Louis City SC (-1.5) | 81% |
| O/U 2.5 | 74% |
| Los Angeles Galaxy O/U 0.5 | 65% |
| St. Louis City SC O/U 2.5 | 63% |
| Both Teams to Score in Second Half | 51% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Los Angeles Galaxy 2nd Half O/U 0.5 | 50% |
| Los Angeles Galaxy 2nd Half O/U 1.5 | 50% |
| St. Louis City SC 2nd Half O/U 0.5 | 50% |
| St. Louis City SC 2nd Half O/U 1.5 | 50% |
| St. Louis City SC (-2.5) | 42% |
| Both Teams to Score | 42% |
| O/U 3.5 | 37% |
| Los Angeles Galaxy O/U 2.5 | 25% |
| Los Angeles Galaxy O/U 1.5 | 14% |
| O/U 4.5 | 11% |
| O/U 5.5 | 3% |
| Los Angeles Galaxy (-2.5) | 1% |
| Los Angeles Galaxy 1st Half O/U 0.5 | 1% |
| Los Angeles Galaxy (-1.5) | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 2.5 | 0% |
| Los Angeles Galaxy 1st Half O/U 1.5 | 0% |
Market context
LA Galaxy’s meeting with St Louis City SC is the kind of MLS fixture where the *“More markets”* slate often reacts more to lineup and totals information than to the match winner itself. In comparable head-to-head data, the sides have been unusually draw-prone: four of the previous six meetings finished level, and both clubs have scored freely across those games, with 24 goals combined in that sample.[4][6] A 3-3 draw in June 2025 is a recent reminder that this pairing can produce volatile scorelines rather than a clean one-way result.[2]
For a market showing **0% YES**, the practical read is that traders are assigning almost no value to the broader bundle of side markets clearing a particular threshold, likely because the expected outcome distribution is already well-priced elsewhere in the book. Programmatically, a power-user would treat this as a dependency problem: track the main match prices, the total-goals line, and any derivative props that feed the “more markets” settlement logic, then only engage if the underlying probabilities move enough to create a mismatch. Fox Sports’ pre-match boxscore listed a combined goal line of 2.5 for the July 22 fixture, while Flashscore’s live preview pointed to a low-scoring expectation, which is useful context for any bot or conditional-order setup keyed to totals volatility.[5][1]
The key catalysts are the usual late MLS inputs: confirmed starting XIs, last-minute rest decisions, injuries, and any change to the market framework before the July 23 02:30 UTC settlement cut-off. Because this is a cross-market product, anything that shifts shot volume, tempo, or rotation can matter more than the headline scoreline itself, so automated watchers should be built to refresh on official line-up release and book updates rather than on historical form alone.[5][2]
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
- 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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