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Highest temperature in Hong Kong on August 10?

"Highest temperature in Hong Kong on August 10?" — odds, fees, regulatory status. Is Kalshi Legal in California as a Polymarket alternative.

35°C 49% 36°C 29% 34°C 19% 37°C 6% Volume: $102K Liquidity: $99K Closes: 10 Aug 2026
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Highest temperature in Hong Kong on August 10?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legal in California) Pick
polygram.ink (preferred broker)
49% 51% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
49% 51% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
35°C49%
36°C29%
34°C19%
37°C6%
33°C3%
38°C1%
29°C or below0%
30°C0%
31°C0%
32°C0%
39°C or higher0%

Market context

Hong Kong’s Observatory reading for 10 August is usually driven by the day’s peak heat at its Central station, so the market is really about whether the city reaches a fairly ordinary August high or a clearly hotter-than-normal afternoon. Hong Kong’s August climatology shows a mean maximum of about 31.1°C on 10 August, with daily highs commonly around 30–31°C and occasional hotter spells pushing into the low-to-mid 30s.[1][13][17]

The current 0% YES crowd price is easy to read against recent comparables: the Observatory recorded 34.4°C on 10 August 2025, and 32.3°C as the August 2024 mean daily maximum, which shows that very warm outcomes are not exceptional even in a month that is already hot and humid.[11][15] More broadly, the last 15 days in Hong Kong included a 95°F peak on 8 August, while forecast services for 10 August pointed to highs around 36–38°C, suggesting the distribution was skewed towards heat rather than a cool day.[7][16]

For accessibility, a “no-KYC up to $1,500” structure generally means smaller positions can be entered without full identity verification, but larger cumulative activity would usually trigger KYC checks and account limits. Regulatory context matters because German GlüStV rules can restrict or complicate access for users in Germany, while the US CFTC’s reach is relevant where a contract may be treated as a derivative or event-based market serving US persons. The key catalyst is the Hong Kong Observatory’s Daily Extract for 10 August 2026: the market cannot resolve until the “Absolute Daily Max (deg. C)” is published in the finalised record, and any delay in publication delays settlement.[3][14]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Hong Kong on August 10? 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

Do I need to KYC for Is Kalshi Legal in California?
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.
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. Is Kalshi Legal in California 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), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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