Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax 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% |
| 28°C or below | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C or higher | 0% |
Market context
Beijing’s airport weather on 4 August will be judged against the single highest temperature logged at Beijing Capital International Airport Station before the settlement cut-off, so the practical question is whether the day produces a modest mid-30s Celsius peak or a lower, rain-dampened high. Current forecast pages cluster around a hot but variable August pattern, with daytime highs commonly in the low- to mid-30s Celsius and a meaningful chance of showers or thunderstorms. [1][3][4]
The current **0% YES** crowd price is hard to read as a fundamental weather view so much as a market-side absence of conviction at this specific threshold, especially because August in Beijing is climatologically hot and often humid, but also prone to convective rain that can cap the afternoon maximum. Comparable seasonal guides put August highs around 30–32°C on average, while some day-specific forecasts point to 34–36°C for 4 August, showing why small shifts in cloud cover or rainfall timing can move the eventual result between adjacent temperature bands. [4][11][12][13]
For accessibility, the market sits within a regulatory frame that matters to how users can participate: German GlüStV rules can restrict access to gambling-style products from Germany, while US CFTC reach is relevant where a market may be viewed as a derivatives-style contract rather than ordinary betting. The “no-KYC up to $1,500” label means a user can usually reach a limited trading threshold without identity verification, but that does not remove jurisdictional blocks or tax reporting issues, and it is most relevant here because a weather market with a tight settlement source is often used for small, fast-position exposure rather than large balances.
Methodology
This overview of Highest temperature in Beijing on August 4? 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 Tax UK has a different geo footprint.
- Do I need to KYC for Polymarket Tax 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.
- 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.
- 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).
Trade Highest temperature in Beijing on August 4? on Polymarket Tax UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →