Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
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% |
| Both Teams to Score | 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 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% |
| Los Angeles Galaxy O/U 0.5 | 98% |
| St. Louis City SC (-1.5) | 92% |
| 2nd Half O/U 0.5 | 51% |
| 2nd Half O/U 1.5 | 51% |
| St. Louis City SC 2nd Half O/U 0.5 | 51% |
| Both Teams to Score in Second Half | 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 1.5 | 50% |
| O/U 4.5 | 31% |
| Los Angeles Galaxy O/U 1.5 | 26% |
| St. Louis City SC (-2.5) | 25% |
| O/U 5.5 | 4% |
| Los Angeles Galaxy O/U 2.5 | 3% |
| Los Angeles Galaxy (-1.5) | 1% |
| Los Angeles Galaxy (-2.5) | 1% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 2.5 | 0% |
| Los Angeles Galaxy 1st Half O/U 0.5 | 0% |
| Los Angeles Galaxy 1st Half O/U 1.5 | 0% |
Market context
Los Angeles Galaxy meet St. Louis City SC in an MLS fixture that has tended to produce chances rather than control, which matters for a **More Markets** contract because the payout is tied to how the game state develops rather than a simple win-loss result. Their recent head-to-head history includes a 3-3 draw in June 2025, and the broader series has not been one-sided, with St. Louis having the better record across the limited sample cited by FootyStats and no LA wins recorded there.[4][2][3]
A **1% YES** price implies the crowd is treating this market as a near-longshot, so the main read-through is not team quality alone but whether the specific “more markets” condition was already captured elsewhere in the cluster or whether the contract depends on a late-breaking ancillary outcome. Traders should watch official match administration and any late schedule or line-up updates from the clubs, because settlement is in **USDC** at the exchange level and the timing runs right through the match window ending at 02:30 UTC on 23 July.[5] If the market is being traded alongside broader crypto risk, BTC and ETH spot moves can still matter at the margin through collateral sentiment, but the direct driver remains the game itself rather than macro.[5]
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
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