Highest temperature in Hong Kong on July 15?

Platform comparison

Market context

Hong Kong faces its peak summer heat today as the city records its highest temperature for 15 July 2026, a metric that will determine the outcome of this weather prediction market. The Hong Kong Observatory is the sole authority for the final reading, which must be published in the Daily Extract before the market can settle.

Historical data shows July in Hong Kong routinely sees maximum temperatures between 31°C and 34°C, with extreme days occasionally reaching 35°C or higher under strong subtropical ridges. The current 0% crowd-implied probability for the lowest range suggests traders expect a standard hot summer day rather than a record-breaking event, aligning with the typical climatic pattern for mid-July when the region experiences consistent high humidity and elevated temperatures [1].

Traders should monitor the Observatory’s Daily Extract release, which typically finalises data by midday UTC, as the market cannot resolve until this official figure is published. While no political debates or campaign disclosures influence weather outcomes, the timing of the data release acts as the primary catalyst for settlement. Recent weather graphs from Hong Kong International Airport confirm current scattered cloud cover and temperatures around 27°C, consistent with seasonal norms but not yet indicating the day’s peak [2]. The market leans entirely on this single meteorological dependency, with no secondary events to watch.

Sources: 1 · 2

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Hong Kong on July 15? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.

Are political prediction markets legal in my country?

It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.

Which political events have the biggest volume?

US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.