Highest temperature in Chongqing on August 3?

Platform comparison

Market context

Chongqing’s temperature on 3 August will be determined by the day’s highest reading at Chongqing Jiangbei International Airport, and the market settles on the Celsius range containing that maximum. August is typically the city’s hottest month, with several travel-weather references putting average highs around 33–34°C and showing 3 August itself near 34.7°C in historical August tables, so a sub-30°C outcome is usually a cooler-than-normal day rather than the baseline. [2][6][19]

That context helps explain why a 0% YES price can appear plausible on a platform like Kalshi, which usually quotes in implied probability terms, while Polymarket and Betfair-style books may present the same view through market prices or decimal odds rather than a simple percentage. Chongqing’s summer heat is also often paired with humidity and intermittent rain, which can cap the day’s maximum even when the broader August climate is oppressive; timeanddate and other climate references still show August as the hottest period, but with strong rainfall and muggy conditions that add volatility to intraday highs. [9][19]

For traders, the main catalysts are the local morning heating curve, afternoon convective rain or cloud cover, and any thunderstorm risk that suppresses the airport station’s peak before the settlement window closes at 12:00 UTC, which is evening local time. The key dependency is the official Wunderground daily history page for ZUCK, so late revisions matter only if the source updates its recorded maximum after the fact; that makes execution, fees, and KYC reach more relevant across Polymarket alternatives than the headline view, especially where access differs by jurisdiction and where decimal-odds books bake costs into the price rather than charging separately. [1][19]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in Chongqing on August 3? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.

FAQ

Is Betfair a Polymarket alternative?

Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.

What about Smarkets as an alternative?

Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.

Which platform is accessible globally?

Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.

Are all these platforms regulated?

No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.

Which platform supports Klarna/SOFORT?

Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.