Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Germany Legal) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| 28°C | 99% |
| 29°C | 1% |
| 20°C or below | 0% |
| 21°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 22°C | 0% |
| 23°C | 0% |
| 24°C | 0% |
| 25°C | 0% |
| 30°C or higher | 0% |
Market context
On 2 July 2026, the real-world event determining this market is the peak temperature recorded at Chongqing Jiangbei International Airport, where July and August consistently deliver the city’s highest averages near 33°C, with daytime highs often reaching 43°C under intense humidity and urban heat island effects[1][2]. Historical data confirms Chongqing is one of China’s “Four Furnaces,” where temperatures frequently exceed 35°C, making a 0% crowd-implied probability for any specific range highly counterintuitive given the region’s extreme summer climate[5]. Comparable cases from recent July 1 forecasts show similar underestimation of heat thresholds, suggesting current pricing may not reflect the meteorological reality of Chongqing’s notorious summer furnace conditions[4].
Traders should monitor daily weather bulletins from the China Meteorological Administration and Wunderground’s hourly updates for the Jiangbei station, as sudden shifts in cloud cover or wind patterns can alter peak temperatures within hours[3]. A recent report from Travel China Guide highlights that high humidity can make temperatures feel up to 43°C even after sunset, indicating that settlement may hinge on late-day readings rather than midday peaks[3]. Regulatory catalysts also matter: German GlüStV implications could restrict access for users requiring KYC, while US CFTC reach may influence market liquidity for non-compliant participants. The “no-KYC up to $1,500” threshold means this market remains accessible to smaller traders without identity verification, though larger positions may face compliance hurdles depending on jurisdictional enforcement.
Methodology
This overview of Highest temperature in Chongqing on July 2? 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.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Germany Legal 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.
- 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.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Polymarket Germany Legal would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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