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% |
| 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% |
| Zhejiang Zhiye FC O/U 0.5 | 100% |
| Zhejiang Zhiye FC O/U 1.5 | 100% |
| Chengdu Rongcheng FC O/U 0.5 | 100% |
| Chengdu Rongcheng FC O/U 1.5 | 100% |
| Chengdu Rongcheng FC O/U 2.5 | 100% |
| Zhejiang Zhiye FC 1st Half O/U 0.5 | 100% |
| Zhejiang Zhiye FC 1st Half O/U 1.5 | 100% |
| Chengdu Rongcheng FC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| Chengdu Rongcheng FC 2nd Half O/U 0.5 | 100% |
| Chengdu Rongcheng FC 2nd Half O/U 1.5 | 100% |
| Zhejiang Zhiye FC (-1.5) | 0% |
| Chengdu Rongcheng FC (-1.5) | 0% |
| Zhejiang Zhiye FC (-2.5) | 0% |
| Chengdu Rongcheng FC (-2.5) | 0% |
| O/U 5.5 | 0% |
| Zhejiang Zhiye FC O/U 2.5 | 0% |
| Chengdu Rongcheng FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Zhejiang Zhiye FC 2nd Half O/U 0.5 | 0% |
| Zhejiang Zhiye FC 2nd Half O/U 1.5 | 0% |
Market context
Zhejiang Zhiye and Chengdu Rongcheng are scheduled to meet in the Chinese Super League on 15 August at 7:35 AM ET. The market currently shows 0% implied probability for the "More Markets" outcome, suggesting either extreme confidence in settlement mechanics or minimal liquidity depth at present valuations. USDC settlement occurs at 11:35 UTC on the scheduled match date, leaving a four-hour window between kick-off and contract closure—a tight constraint for traders monitoring live outcomes and on-chain position adjustments.
Historical precedent from Chinese Super League prediction markets reveals that early-stage probability extremes (0% or 100%) often reflect sparse order books rather than genuine certainty. When comparable fixtures have attracted secondary market interest, funding rates on related derivatives have shifted materially within 48 hours of match day, particularly if injury news or team selection announcements surface. Whale flows into USDC pairs on major exchanges have occasionally preceded sharp repricing in adjacent sports contracts, though causality remains difficult to isolate.
Traders should monitor official team announcements regarding squad availability through 14 August, as late withdrawals or tactical shifts can alter market expectations rapidly. Chinese Super League scheduling changes, whilst rare, have occurred with minimal notice. The four-hour settlement window means post-match arbitrage between on-chain and spot market pricing may be constrained; any significant price movement in BTC or ETH during the match window could also influence trader risk appetite for secondary market positions tied to this fixture.
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
- 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.
- 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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