Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Champions League Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Champions League Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Champions League Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Champions League Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Champions League Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Champions League Prediction → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Champions League Prediction.
Active sub-markets
Market context
Shenzhen's early June weather sits at the threshold between late spring and the onset of summer monsoon conditions. The city typically experiences mean daily highs around 28–30°C during this period, though the range widens considerably depending on whether subtropical high-pressure systems dominate or moisture-laden southwesterly flows prevail. June 7th falls within the pre-monsoon window when afternoon temperatures frequently exceed 32°C, particularly if clear skies allow solar heating to peak without cloud cover moderating the heat.
Historical data from Shenzhen Bao'an International Airport shows June typically records maximum temperatures between 31–35°C, with occasional days pushing toward 36°C during particularly intense heat episodes. The 0% crowd probability suggests traders are either pricing in an unusually cool day or the market lacks sufficient liquidity to establish meaningful odds. Comparable early-June readings from the past five years cluster around 32–34°C as modal outcomes, with sub-30°C days representing statistical outliers rather than baseline expectations.
The primary variable determining settlement will be atmospheric circulation patterns in the days preceding June 7th. A strengthening Pacific subtropical high or an early monsoon surge would shift outcomes materially. Real-time monitoring of regional pressure systems and moisture indices from meteorological services becomes critical in the final 48 hours before settlement. Current seasonal forecasting models favour above-normal temperatures across southern China during early June 2026, though confidence intervals remain wide at this distance.
Methodology
We track Highest temperature in Shenzhen on June 7? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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
- Is this market available outside the US?
- Champions League Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Champions League Prediction triggers a quick verification flow that finishes in 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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