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 |
|---|---|
| 32°C | 100% |
| 24°C or below | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 33°C | 0% |
| 34°C or higher | 0% |
Market context
The day’s outcome depends on the **highest temperature recorded at Beijing Capital International Airport** before the settlement window closes, so the key real-world driver is whether the airport gets a hot afternoon spike rather than the citywide average. Beijing’s July climate is normally hot and wet, with typical daytime highs around the low 30s Celsius and frequent rainfall, which can cap intraday peaks even in a warm month.[2]
The current **0% YES** crowd price implies traders are assigning no weight to the relevant temperature band at present, but that can change quickly if observations start moving towards a hotter range. In comparable Beijing July conditions, the market should be read through the lens of seasonal heat, monsoon-type showers, and airport-specific readings rather than broader forecasts for the municipality, because the settlement source is the Wunderground history page for ZBAA.[2][1] For regulatory framing, markets accessed from Germany sit against the background of the **GlüStV** regime, while US-facing activity can implicate **CFTC** oversight where event-contract rules apply; “no-KYC up to $1,500” generally means a user may be able to interact without full identity checks until cumulative activity reaches that threshold, which improves accessibility but does not remove jurisdictional restrictions.
For catalysts, the main inputs are the day’s forecast revisions, any updated rainfall timing, and whether Beijing remains under a humid, storm-prone pattern that limits the afternoon high. Beijing’s July weather is often described as the city’s hottest and wettest period, with heavy rain common and temperatures capable of reaching the low 30s Celsius or higher on clear stretches.[1][2] Traders should watch airport-level hourly observations, local weather updates, and any shift in the timing of showers, because a delayed storm can materially alter the maximum recorded temperature at the settlement station.
Methodology
This overview of Highest temperature in Beijing 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.
- 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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