Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Tax UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Tax UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Tax UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Tax UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Tax UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Tax UK → |
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 Polymarket Tax UK.
Active sub-markets
Market context
On 8 June 2026, the highest temperature recorded at Shenzhen Bao'an International Airport Station will determine the settlement outcome of this market. Shenzhen's subtropical climate typically produces June highs between 28–34 °C, though extreme heat events occasionally push readings above 35 °C. The resolution source, Wunderground's historical weather database for station ZGSZ, captures intraday temperature peaks and will be the sole arbiter of settlement.
Historical June temperature data from Shenzhen shows that readings above 32 °C occur in roughly 70% of years, whilst temperatures exceeding 36 °C remain uncommon but not unprecedented. The current crowd-implied probability of 0% YES suggests traders are pricing in either a specific temperature range as the consensus expectation or uncertainty about which bracket will ultimately resolve. Comparable markets on Shenzhen summer temperatures have typically seen late-spring forecasts shift as June approaches, reflecting updated meteorological models and seasonal patterns.
From a regulatory standpoint, this market's accessibility depends on the trader's jurisdiction and the platform's licensing framework. Under German GlüStV rules, prediction markets require explicit approval; US CFTC oversight applies to platforms offering derivatives on physical commodities or weather events to US persons. Many platforms permit participation up to $1,500 USD without full KYC verification, though this threshold varies by operator and asset class. Traders should verify their local regulatory position before committing capital, as weather-derivative classification and cross-border enforcement remain unsettled areas in prediction market law.
Methodology
We track Highest temperature in Shenzhen on June 8? 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- Polymarket Tax UK 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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, Polymarket Tax UK triggers a quick verification flow that finishes in minutes.
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