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% |
| Both Teams to Score | 100% |
| St. Louis City SC O/U 0.5 | 100% |
| Real Salt Lake 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% |
| Real Salt Lake 2nd Half O/U 0.5 | 100% |
| St. Louis City SC (-1.5) | 0% |
| Real Salt Lake (-1.5) | 0% |
| St. Louis City SC (-2.5) | 0% |
| Real Salt Lake (-2.5) | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| St. Louis City SC O/U 1.5 | 0% |
| St. Louis City SC O/U 2.5 | 0% |
| Real Salt Lake O/U 1.5 | 0% |
| Real Salt Lake O/U 2.5 | 0% |
| St. Louis City SC 1st Half O/U 0.5 | 0% |
| St. Louis City SC 1st Half O/U 1.5 | 0% |
| Real Salt Lake 1st Half O/U 0.5 | 0% |
| Real Salt Lake 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% |
| Real Salt Lake 2nd Half O/U 1.5 | 0% |
Market context
St. Louis City SC host Real Salt Lake in an MLS match at Energizer Park, with the market settling on whether the “more markets” side resolves yes by the end of the game. The crowd-implied 0% YES is consistent with a contract that is either mispriced, illiquid, or waiting for a very specific market definition to be confirmed before any meaningful trading appears.
Comparable MLS meetings suggest that the base rate for extra-market outcomes in a single league fixture is low unless the contract is tied to a volatile stat line such as cards, corners, or a player event. St. Louis and RSL have generally produced close games, with recent previews pointing to tight scorelines and both teams to score in several past meetings, but that does not by itself translate into a broad “more markets” settlement without knowing exactly which side of the contract is being referenced.[1][6][7] In prediction markets, a 0% print often reflects absence of bids rather than certainty; on-chain books can show that when USDC liquidity is thin, especially close to kickoff, small orders do not move the implied probability much even if off-chain betting sentiment is more balanced.
Traders should watch the final market rules, match statistics feed, and any late team news, because settlement depends on the event data source used by the contract rather than the broadcast narrative. The game was scheduled for 1 August at 8:30 p.m. ET and streamed on Apple TV/MLS Season Pass, so any delay, lineup change, or data-provider discrepancy could affect resolution timing.[1][3][15][16] If the contract is linked to broader crypto conditions, BTC and ETH spot direction and perp funding can still matter indirectly through risk appetite and USDC deployment, but there is no direct evidence in the provided sources of whale flow or exchange stress driving this market.
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.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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.
- 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.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
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