Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
0% | 100% | 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 |
|---|---|
| Henan FC (-1.5) | 0% |
| Qingdao Xihaian FC (-1.5) | 0% |
| Henan FC (-2.5) | 0% |
| Qingdao Xihaian FC (-2.5) | 0% |
| O/U 0.5 | 0% |
| O/U 1.5 | 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 | 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% |
| Henan FC O/U 0.5 | 0% |
| Henan FC O/U 1.5 | 0% |
| Henan FC O/U 2.5 | 0% |
| Qingdao Xihaian FC O/U 0.5 | 0% |
| Qingdao Xihaian FC O/U 1.5 | 0% |
| Qingdao Xihaian FC O/U 2.5 | 0% |
| Henan FC 1st Half O/U 0.5 | 0% |
| Henan FC 1st Half O/U 1.5 | 0% |
| Qingdao Xihaian FC 1st Half O/U 0.5 | 0% |
| Qingdao Xihaian FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Henan FC 2nd Half O/U 0.5 | 0% |
| Henan FC 2nd Half O/U 1.5 | 0% |
| Qingdao Xihaian FC 2nd Half O/U 0.5 | 0% |
| Qingdao Xihaian FC 2nd Half O/U 1.5 | 0% |
Market context
Henan FC and Qingdao Xihaian FC meet in Zhengzhou in a Chinese Super League fixture listed for 9 August, with the market here covering “more markets” rather than the outright result. The crowd-implied probability at 0% YES leaves this contract effectively untouched by the crowd, so any pricing signal is coming from the way traders expect secondary outcomes, lineups, or in-play developments to unfold rather than from a strong consensus on the match itself.[1][16]
Comparable meetings suggest this is not a fixture where one side has imposed a clean, stable pattern. Qingdao West Coast beat Henan 3-2 away in April 2025, and the same teams later produced a 1-1 draw in August 2025, which fits a profile of uneven but often live contests rather than one-directional games.[2][8] Broader head-to-head snapshots also point to modest scoring and frequent stalemates, with recent previews showing both teams capable of scoring but not always producing high-event matches.[3][11][17] For a prediction market, that kind of history usually matters more for markets tied to goals, cards, or late swings than for a simple pre-match winner view.
The main catalysts are practical rather than macro: team news, confirmed line-ups, substitution patterns, and whether the match starts on time at Zhengzhou Hanghai Stadium.[1][5][16] Because settlement is in USDC and the contract closes at 11:00 UTC, traders will care about any official schedule change, delayed kick-off, or abandonment risk before the window ends. There is no clear BTC- or ETH-linked driver in the football data itself, so the crypto angle is mainly on-chain execution and funding conditions rather than a direct correlation story; if liquidity is thin, even small whale flows can move marginal pricing more than the sporting backdrop.
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.
UK Frequently Asked Questions
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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