Highest temperature in Hong Kong on August 6?

Platform comparison

Market context

Hong Kong’s afternoon maximum on 6 August will settle this market, using the Hong Kong Observatory’s final “Absolute Daily Max” for that day. The current 0% YES crowd view is consistent with the fact that the market only resolves once the daily extract is published, so traders are really positioning around the chance of a late-summer heat spike rather than an immediate result.[2][9]

Historically, early August in Hong Kong is hot and humid, with climatology pointing to daytime highs around 31°C and monthly guides often clustering the range near 28°C–32°C. Recent reporting also shows the city can still deliver sharp extremes in midsummer: the Hong Kong Observatory said Hong Kong recorded 34.6°C on a recent day in June, which is the kind of reading that would quickly move a temperature-range market if conditions align.[10][11][19]

For catalysts, the main watchpoints are the Observatory’s short-range forecast, any heat-related warnings, and the actual midday-to-afternoon setup on the day, since cloud, rain bands and sea breeze can cap the maximum even when the broader seasonal pattern is hot. AccuWeather’s Hong Kong outlook currently shows 6 August near 30°C/26°C with showers, which leans the market towards a more moderate ceiling unless the forecast shifts materially before the close.[1][4][17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Highest temperature in Hong Kong on August 6? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Election Predictions UK provide a 0%-fee route into the same order book.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

Can prediction markets influence election outcomes?

Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.

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 Election Predictions UK route into the same order book at 0% fees.

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.