Highest temperature in Taipei on July 6?

Platform comparison

Market context

The real-world event in question is the peak daytime heat at Taipei Songshan Airport on 6 July 2026, measured in degrees Celsius by Wunderground. This metric determines the market resolution, with the settlement window closing at 12:00 UTC on the day itself.

Historical patterns and recent comparable markets frame the current 0% probability for a low-temperature outcome as a clear mispricing. July is the hottest month at this station, with an average high of 92°F (33°C) and frequent peaks reaching 95°F (35°C) [3]. Just three days prior, on 3 July 2026, the market assigned a 100% probability to a 36°C outcome, confirming the region’s intense summer heat [2]. The current frontrunner for today’s market is 36°C at 36%, followed by 35°C at 33%, indicating traders expect temperatures to remain in the high 30s [1]. A power-user evaluating this tooling would programmatically scrape Wunderground’s historical daily data to build a regression model, using the 3 July result as a critical training point to flag the 0% line as an arbitrage opportunity.

Traders should monitor the afternoon rain forecast and humidity levels, which are the primary catalysts for temperature suppression. Today’s forecast predicts some sunshine giving way to clouds and humid conditions with occasional afternoon rain, potentially capping the high at 95°F (35°C) [7]. The dependency on precipitation timing is crucial; if scattered thunderstorms develop later in the day, as seen in August 2018 when highs reached 95°F despite 40% rain chance, the peak temperature may still breach 35°C [4]. A conditional order strategy would trigger a buy on the 35°C or 36°C ranges if live radar shows delayed storm development, leveraging the high baseline established by the station’s July climate profile [3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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 Review UK 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.