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 |
|---|---|
| 33°C | 100% |
| 29°C or below | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C or higher | 0% |
Market context
The real-world event at stake is the peak temperature recorded on 6 July 2026 at Beijing Capital International Airport, measured in degrees Celsius and resolved via Wunderground data. Current crowd-implied probability sits at 0% for a specific temperature range, suggesting the market expects the heat to fall outside that bracket, yet historical patterns indicate Beijing in July routinely sees highs near 31–32°C (88°F), rarely dipping below 26°C (78°F) or exceeding 36°C (96°F)[1]. Past years confirm this volatility: in 2023, Beijing reached 40.1°C on 6 July, matching the southern suburb observatory reading, while the city also hit 41.1°C in June that same year, its second-highest ever[2][7]. China recorded its most hot days since 1961 in 2023, averaging 4.1 days above 35°C, underscoring that extreme heat is not anomalous but increasingly typical[3].
Traders should monitor upcoming weather forecasts from the China Meteorological Administration and any official heatwave advisories, as these directly influence temperature outcomes. A recent Reuters report noted Beijing bracing for blistering heat as heatwaves returned in June 2023, with temperatures soaring above 41°C[7]. Dependencies include humidity levels, which amplify perceived and actual heat, and regional wind patterns that may moderate or intensify peaks. For market accessibility, German GlüStV regulations and US CFTC reach shape compliance boundaries, while the “no-KYC up to $1,500” threshold allows broader participation without identity verification, making this market accessible to retail traders under those limits. These regulatory frameworks do not alter the weather event but define who can legally engage with the prediction.
Methodology
This overview of Highest temperature in Beijing on July 6? 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.
- 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.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
- 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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