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 |
|---|---|
| 34°C | 100% |
| 27°C or below | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C or higher | 0% |
Market context
Shenzhen’s July 13, 2026, high temperature will be recorded at Bao’an International Airport, where July is historically the hottest month with average highs near 32°C [1]. The current 0% crowd-implied probability for any specific range suggests traders expect either a data gap or an extreme outlier beyond typical bounds, yet historical climate models show mean daily maxima in July consistently cluster between 31–33°C [3]. Comparable cases include July 2024, when global heat records surged and several European nations hit their warmest Julys, though Shenzhen’s airport data has not shown comparable extremes in recent years [4].
Traders should monitor Wunderground’s daily archive for ZGSZ as the sole resolution source, noting that settlement depends entirely on the highest temperature recorded at any time on 13 July [1]. Key catalysts include real-time weather bulletins from AccuWeather and Meteofor, which currently forecast max 32°C with moderate rain on the afternoon of 13 July [2][10]. Any deviation from this—such as a sudden heat dome or unrecorded sensor failure—could shift implied probabilities, though no official announcements have yet altered the baseline forecast.
Regulatory access hinges on jurisdiction: German GlüStV classifies such weather markets as gambling unless licensed, while US CFTC reach extends to any platform offering US participants without registration. The “no-KYC up to $1,500” threshold means users under this limit bypass identity checks, enhancing accessibility for non-compliant regions but increasing exposure to enforcement risk. This market remains legally ambiguous in Germany and unregulated in the US unless the operator secures proper licensing.
Methodology
This overview of Highest temperature in Shenzhen on July 13? 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
- 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.
- 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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