Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| 36°C | 99% |
| 37°C | 1% |
| 30°C or below | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C or higher | 0% |
Market context
Shanghai’s reading will be set by the **day’s highest air temperature at Pudong International Airport**, so the key question is whether the airport station reaches a hot afternoon peak before the settlement window closes. July in Shanghai is typically hot and humid, with average highs around **32°C** and frequent rain, which makes the upper temperature range plausible but not guaranteed if cloud cover and showers persist.[2][3]
A **0% YES** crowd-implied probability is easiest to read as a sceptical baseline rather than a firm forecast. Comparable July climatology points to temperatures often above 30°C, and the latest public forecast for Shanghai shows highs near **35°C/95°F** around this period, with rain risk still present; that combination leaves room for a late-day spike if sunshine breaks through, but also for suppression if convection and thunderstorms dominate.[1][4] For legal framing, this is the sort of event that can sit in a grey zone: German **GlüStV** analysis usually turns on whether the venue/operator is deemed to be offering or mediating gambling to persons in Germany, while **US CFTC** reach can matter where a market is characterised as a derivatives-style event contract and accessed from the United States. “**No-KYC up to $1,500**” means lower-friction access for small balances, not anonymity: identity checks may still apply once activity, limits, or withdrawal thresholds are reached.
Traders should watch the near-term Shanghai forecast updates, especially cloud cover, thunderstorm timing, and the strength of the daytime heat ridge, because these determine whether the airport station can post the session high before midday settlement. The main dependencies are simple but important: if showers arrive early, they can cap the peak; if skies clear, a late-morning or early-afternoon maximum above the seasonal norm becomes more likely.[1][4] For this specific market, the relevant accessibility point is that a low-friction onboarding threshold may make participation easier, but it does not change the underlying settlement source or the possibility that local regulatory treatment differs by jurisdiction.
Methodology
This overview of Highest temperature in Shanghai on July 24? 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
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- 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.
- What happens during a tax audit?
- You're responsible for documenting your trades. Polymarket Legal UK exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
Trade Highest temperature in Shanghai on July 24? on Polymarket Legal UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →