Highest temperature in Hong Kong on June 17?

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Market context

Hong Kong's daily maximum temperature on 17 June 2026 will be recorded by the Hong Kong Observatory and published in their Daily Extract dataset. The settlement hinges on the "Absolute Daily Max (deg. C)" figure, reported to one decimal place, which determines which temperature band resolves YES. The 0% crowd probability suggests traders are either absent from this market or treating it as a placeholder pending historical data ingestion.

Mid-June sits within Hong Kong's early summer window, when daily highs typically range between 29–32°C, though heat waves can push readings above 34°C. Historical June records show considerable year-to-year variation; the Observatory's climate archive reveals June extremes spanning from around 28°C in cooler years to 36°C+ during anomalous heat events. Traders building conditional orders or automated resolution monitors should reference the Observatory's 30-year normals as a baseline calibration point, since the market's temperature bands will likely cluster around the 30–35°C range where most June outcomes concentrate.

The key dependency is the Observatory's publication schedule. Data typically appears in the Daily Extract within 24–48 hours of the observation date, though official finalisation can lag by several days. Traders using bots to monitor settlement should account for this lag and cross-check against the Observatory's website directly rather than relying on cached feeds. Tropical cyclone activity or unusual monsoon patterns in early-to-mid June could shift outcomes materially; monitoring the Hong Kong Observatory's seasonal forecasts and the Japan Meteorological Agency's typhoon advisories in the week prior offers early signal for extreme temperature scenarios.

Methodology

This page reviews Highest temperature in Hong Kong on June 17? 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 Review UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Review 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.

Is this market available outside the US?

Polymarket Review UK 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, Polymarket Review UK triggers a quick verification flow that finishes in minutes.