Highest temperature in Taipei on July 19?

Platform comparison

Market context

On 19 July 2026, the highest temperature recorded at Taipei Songshan Airport Station will determine which range this market settles to, with options spanning from below 30°C through to 38°C and above. The 0% crowd-implied probability suggests traders are either awaiting historical data to calibrate expectations or treating this as a placeholder until seasonal patterns become clearer. Taipei's July temperatures typically peak between 33°C and 36°C, making the extreme ranges (sub-30°C or above 38°C) statistical outliers rather than routine occurrences.

Historical records from Taipei Songshan Airport show July averages around 34–35°C, with record highs occasionally breaching 37°C during heat waves. The 2015 heat wave pushed temperatures to 37.3°C in mid-July, whilst cooler years have seen peaks closer to 32°C. This variance reflects the interplay between the East Asian summer monsoon, tropical air masses, and occasional typhoon activity that can suppress temperatures. Current crowd pricing at 0% across all ranges suggests the market lacks sufficient trader participation to establish meaningful odds, a common state for weather contracts weeks in advance.

Traders should monitor tropical cyclone forecasts and upper-atmosphere pressure patterns from late June onwards, as both significantly influence July 19 conditions. The Central Weather Administration's seasonal outlooks, typically released in early July, will provide updated guidance on whether 2026 tracks toward an anomalously hot or moderate summer. Wunderground's historical data for Taipei Songshan Airport remains the sole authoritative settlement source, making real-time station readings critical as the resolution date approaches.

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

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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.

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 Best Prediction Markets 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.