Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Germany Legal) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 36°C | 100% |
| 30°C or below | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C or higher | 0% |
Market context
Beijing Capital International Airport is forecast to be hot, with daytime highs around the mid-30s Celsius in local forecasts and August climatology typically clustering near 30°C to 31°C, so outcomes in the low-to-mid 30s are the natural centre of the distribution rather than an outlier.[2][3][11][18] The market settles on the *highest* temperature recorded at the airport station on 6 August, so the key question is not the day’s average but whether the peak reading briefly pushes into a higher band during the warmest part of the afternoon, when Beijing’s summer heat is usually strongest.[2][16]
The current 0% YES price should be read against that weather baseline rather than as a literal statement that the event is impossible; for a temperature range market, very low pricing often reflects thin early demand, uncertainty over the exact reporting source, and the fact that a one-degree move can flip the settled bracket. Comparable Beijing August forecasts in historical guides usually point to highs near 30°C to 32°C, with some daily forecasts reaching the mid-30s, which leaves the highest-band outcomes contingent on heat intensity, cloud cover, and precipitation timing.[2][8][15] On the regulatory side, access can be affected by the venue’s German GlüStV position on online gambling-style products, while the US CFTC reach matters because event contracts can draw scrutiny where they resemble derivatives or are offered into the United States; “no-KYC up to $1,500” means a user may be able to trade below that cumulative verification threshold, but it does not remove jurisdictional limits or platform controls.
Traders should watch for fresh airport-area forecasts, any updated municipal or aviation weather notices, and whether a late-afternoon thunderstorm or cloud build-up caps the daily maximum below the upper bands. The practical catalysts are the same ones that move any Beijing summer temperature market: timing of the strongest insolation, rainfall, and any revised station data, with the settlement source being Wunderground’s daily history page for Beijing Capital International Airport Station rather than a generic city forecast.[2][7]
Methodology
This overview of Highest temperature in Beijing on August 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 Germany Legal 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.
- What happens during a tax audit?
- You're responsible for documenting your trades. Polymarket Germany Legal exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- 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).
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