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 |
|---|---|
| 34°C | 99% |
| 35°C | 1% |
| 31°C or below | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C | 0% |
| 41°C or higher | 0% |
Market context
The key event is the highest temperature recorded by the Hong Kong Observatory on 8 August 2026, reported in Celsius to one decimal place and only settled once the Observatory publishes the finalized “Daily Extract”. August in Hong Kong is typically very warm and humid, with the Observatory’s 1991–2020 normal daily maximum for 8 August at 31.7°C, while recent years have still produced midsummer peaks in the mid-30s, including 34.4°C on 8 August 2020 and a record 36.3°C on 8 August 2015. [7][10][1]
That historical range matters for reading a 0% crowd-implied probability: it suggests the market is currently pricing an outcome above the likely temperature band, even though Hong Kong can and does print extreme daytime highs when sunshine dominates. For context, the Observatory’s own readings show that 29°C at 3 a.m. on the morning of 8 August 2026 already left room for a hot afternoon, and the market’s settlement depends on the single highest official Observatory value rather than territory-wide conditions. [6][7][1]
For accessibility, the regulatory frame is the practical one: under German GlüStV rules, prediction-market participation can face restrictions if a venue is treated as gambling-facing rather than financial, while the US CFTC’s reach is relevant where a platform offers derivatives-style exposure to US persons. A “no-KYC up to $1,500” policy means a user may access the market with limited identity checks below that threshold, but it does not remove geofencing, sanctions screening, or jurisdiction-based blocking if the platform applies them. The main catalysts are the Observatory’s afternoon readings, any heat or thunderstorm warnings that may cap the day’s maximum, and the eventual publication timing of the finalized daily climate extract, which is the settlement source for this contract.
Methodology
This overview of Highest temperature in Hong Kong on August 8? 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.
- Do I need to KYC for Polymarket Germany Legal?
- 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.
- 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.
- 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 Germany Legal would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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