Highest temperature in Hong Kong on June 6?

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Market context

On 6 June 2026, the Hong Kong Observatory will record the day's highest temperature in degrees Celsius. This market resolves to whichever temperature band contains that single daily maximum reading, published in the Observatory's official Daily Extract once the date has passed and data finalised. The settlement window closes at midday UTC on that date, though resolution itself depends on the Observatory releasing verified figures, typically within days of observation.

Hong Kong's June temperatures cluster reliably between 28–32°C, with historical daily maxima rarely breaching 35°C in early June. The 0% crowd probability suggests traders expect the highest temperature to fall outside whatever upper threshold this market's resolution bands define—likely reflecting confidence in typical seasonal patterns rather than any anomalous heat event. Comparable June days over the past decade show the Observatory's readings stabilise around 30–31°C as the monsoon transition begins, making extreme outliers statistically uncommon at this point in the calendar.

From a regulatory standpoint, this weather derivative falls under different jurisdictional frameworks depending on trader location. The German GlüStV (gambling licensing statute) treats prediction markets as wagering products requiring operator licensing; UK-based platforms must navigate FCA guidance on gaming versus financial instruments. US CFTC reach extends to US persons trading on unregistered platforms, though weather contracts occupy a grey zone between commodity futures and gaming. Platforms offering no-KYC access up to $1,500 typically operate under exemptions for small-value bets, though this market's accessibility will depend on the host's jurisdictional registration and whether temperature derivatives qualify for such thresholds.

Methodology

This page reviews Highest temperature in Hong Kong on June 6? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket KYC UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket KYC UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on Polymarket KYC UK?

Zero. Polymarket KYC UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.