Highest temperature in Hong Kong on June 27?

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Market context

The real-world event is the highest temperature recorded by the Hong Kong Observatory on 27 June 2026, measured in degrees Celsius to one decimal place. Historical data frames the current 0% crowd-implied probability for a specific low range as inconsistent with seasonal norms. June in Hong Kong marks the real start of summer, with average highs between 28°C and 32°C and a high chance of typhoons[2]. The Observatory’s seasonal forecast for June–August 2026 explicitly predicts above-normal temperatures, citing ENSO status and climate models[3]. Recent records show Hong Kong hitting 34.6°C in early 2026, the hottest day of the year so far[9], while another extreme heat warning saw 33.7°C[8]. These comparable cases suggest temperatures will likely exceed lower thresholds, making a 0% probability for a low range statistically questionable.

Traders should monitor the Hong Kong Observatory’s daily weather updates and the finalisation of the “Daily Extract” for 27 June, as resolution cannot occur until this data is published[1]. The settlement window ends 2026-06-27T12:00:00Z, requiring timely access to the “Absolute Daily Max” figure. Regulatory accessibility is shaped by German GlüStV implications and US CFTC reach, which influence market licensing and participant verification. The “no-KYC up to $1,500” provision means this market remains accessible to traders without identity checks for smaller stakes, bypassing typical KYC hurdles. Recent news from the Hong Kong Observatory confirms current maximum temperatures of 32°C on 24 June 2026, indicating ongoing heat trends[6]. Traders must watch for official announcements on heat warnings or typhoon developments, as these dependencies directly impact the final temperature reading.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Hong Kong on June 27? 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 PolyGram — 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 PolyGram, 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.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.