🎁 New traders: 100% Deposit Match up to $500 · 0% fees · instant USDC payoutsClaim it →
Skip to main content
HomeGuideCryptoMarketsBlogSee live odds →

Highest temperature in Hong Kong on July 31?

"Highest temperature in Hong Kong on July 31?" — odds, fees, regulatory status. Is Kalshi Legit as a Polymarket alternative.

27°C 98% 28°C 2% 29°C 1% 24°C or below 0% Volume: $122K Liquidity: $155K Closes: 31 Jul 2026
Open live market →
Highest temperature in Hong Kong on July 31?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legit) Pick
polygram.ink (preferred broker)
98% 2% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
98% 2% 0% Geo-blocked in US/UK/EU USDC, on-chain See live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD See live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR See live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) See live odds →

Outcome probabilities

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

OutcomeProbability
27°C98%
28°C2%
29°C1%
24°C or below0%
25°C0%
26°C0%
30°C0%
31°C0%
32°C0%
33°C0%
34°C or higher0%

Market context

Hong Kong’s highest temperature on 31 July will be set by the Hong Kong Observatory’s final “Absolute Daily Max” for the day, not by a live intraday reading, so the contract only becomes knowable once the daily extract is published.[7][12] The observable range is already familiar: Hong Kong’s July climate is typically hot and humid, with average highs around 32–33°C, while the Observatory’s July record maximum is 35.7°C, set in 1968.[3][6][14]

That historical backdrop matters for reading the current 0% YES probability. A zero price can reflect either genuine market scepticism or simple lack of participation, but it does not imply the outcome is impossible; Hong Kong has repeatedly posted severe heat in July, including 36.1°C on 27 July 2023 and 31.6°C at the Observatory in a recent hot spell.[8][13] For a market settled on temperature bands, the relevant question is where the final official maximum lands relative to the listed intervals, not whether a broadly hot day occurred.[3][8]

The main catalysts are administrative rather than speculative: the Observatory’s hourly readings, any late-day convective showers or cloud cover, and the timing of the final daily extract on the climatology page.[7][12] Traders should also factor in market-access rules: German GlüStV compliance can restrict availability of remote gambling-style products to users in Germany, US CFTC reach can create enforcement or access issues for US persons depending on venue and product structure, and “no-KYC up to $1,500” usually means small accounts can trade or withdraw within that limit without full identity verification, which affects who can participate but not how the Hong Kong temperature itself is resolved.[7][12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Hong Kong on July 31? 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 Legit?
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 Legit 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. Is Kalshi Legit exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
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).
and

Trade Highest temperature in Hong Kong on July 31? on Is Kalshi Legit

Live order book, 0% fees, USDC settlement in seconds.

Open live market →