Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
76% | 24% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
76% | 24% | 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 |
|---|---|
| 31°C | 76% |
| 32°C | 16% |
| 33°C | 5% |
| 34°C | 1% |
| 28°C or below | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C or higher | 0% |
Market context
Chengdu’s highest temperature on 11 July 2026 at Shuangliu International Airport will determine this market’s outcome, with the settlement relying on Wunderground’s recorded peak in degrees Celsius. Historical data shows July is Chengdu’s hottest month, often reaching 38°C, with averages around 31°C and peaks up to 38.6°C recorded in recent years[3][10]. The current 0% YES probability implies the crowd expects the temperature to fall outside the specific range offered, though comparable markets for 10 July 2026 priced a 38°C hit at 28.5%, suggesting thin volume and high uncertainty in basin geography favouring high-30s outcomes[9].
Traders should monitor daily Wunderground updates for Shuangliu Airport and any sudden shifts in regional heatwave forecasts, as Chengdu’s fuggy July conditions can push temperatures rapidly toward 38°C[3]. Recent news on Lines.com highlights that similar peak-heat markets in Chengdu suffer from low liquidity and wide outcome bins, making price signals less reliable[9]. No major regulatory announcements are expected before settlement, but the German GlüStV framework may impose stricter KYC thresholds for EU users, while US CFTC reach remains a latent risk for non-compliant platforms. The ‘no-KYC up to $1,500’ clause enhances accessibility for retail traders but does not override cross-border compliance obligations, limiting participation for those in regulated jurisdictions.
Methodology
This overview of Highest temperature in Chengdu on July 11? 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.
- 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).
- 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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