Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 35°C | 100% |
| 27°C or below | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 36°C | 0% |
| 37°C or higher | 0% |
Market context
The real-world event determining this market is the peak temperature recorded at Beijing Capital International Airport on 9 July 2026, measured in degrees Celsius. Historical data confirms July is Beijing’s hottest month, with daytime highs typically spanning 25°C to 33°C and extreme peaks reaching 38°C or higher[2][4]. Current crowd-implied probability sits at 0% YES, suggesting traders believe the temperature will fall outside the specific range being traded, despite the city’s July averages clustering firmly around 31°C and rarely dropping below 26°C[1][6].
Comparable cases from recent years show Beijing’s July highs consistently hovering near 31°C, with extremes occasionally breaching 36°C but seldom exceeding 40°C under normal conditions[2][3]. This stability frames the 0% probability as a signal that the market’s range is likely misaligned with typical climatic behaviour rather than indicating an anomaly. Traders should monitor upcoming weather bureau announcements and satellite data for early signs of heatwaves or unusual precipitation, as thunderstorms in mid-July can temporarily suppress peak temperatures[4].
Accessibility for this market hinges on regulatory frameworks: German GlüStV implications may restrict participation for residents in certain EU states, while US CFTC reach limits access for American traders on non-compliant platforms[1]. However, the “no-KYC up to $1,500” provision on Polymarket allows pseudonymous trading via a single wallet for volumes under that threshold, making the market accessible without identity verification for casual participants[1]. This pseudonymity contrasts with KYC-mandated venues like Kalshi, which require full identification regardless of trade size.
Methodology
This overview of Highest temperature in Beijing on July 9? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Do I need to KYC for Polymarket Legal UK?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Legal UK stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Polymarket Legal UK would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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