Pronóstico: Highest temperature in Hong Kong on July 8?

Platform comparison

Market context

The Hong Kong Observatory has forecast the daily maximum temperature for 8 July 2026 to sit squarely within the 30–32°C range, making a 31°C hit highly probable despite the market currently pricing the YES outcome at 0%[5]. This stark discrepancy between the official forecast and the on-chain price suggests the contract is mispriced, likely due to a lag in liquidity or a misunderstanding of the conditional token mechanics on Polygon where USDC settles the outcome.

Historical July data frames this probability clearly: early-month average highs in Hong Kong are 30.4°C, with the Observatory noting that July temperatures for 2026 are expected to be normal to above-normal due to the El Niño phenomenon[3][1]. The 2026 seasonal forecast explicitly predicts above-normal temperatures, and the director has confirmed the city will be hotter than average this year[2]. Given that the 30–32°C band aligns with both the climatological average and the specific seasonal outlook, the 0% YES price ignores the strong historical precedent for temperatures exceeding 30°C in early July.

Traders must monitor the finalisation of the "Daily Extract" data from the Hong Kong Observatory, as the market cannot resolve until this official "Absolute Daily Max" is published[5]. The primary catalyst is the release of the finalized temperature record, which will be measured to one decimal place in Celsius[5]. While typhoon activity is expected to be near normal (4–7 cyclones), any sudden tropical cyclone approaching within 500km could suppress temperatures, though the current forecast points to mainly cloudy conditions with only light rain patches[2][6]. The settlement window ends at 12:00 UTC on 8 July 2026, so the definitive data point will be the sole determinant for the contract resolution.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Qué Es, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.