Highest temperature in Taipei on July 19?

Platform comparison

Market context

Taipei will experience peak summer heat on 19 July 2026, with the settlement hinging on the single highest temperature recorded at Songshan Airport Station throughout that calendar day. The resolution mechanism pulls directly from Wunderground's historical data feed, which timestamps observations at regular intervals; traders automating settlement verification will need to parse the daily maximum rather than intraday snapshots, as the platform's gear-icon toggle between Celsius and Fahrenheit can introduce transcription errors in programmatic workflows.

Historical July temperatures at Taipei Songshan show a consistent range between 32–37°C, with extreme outliers above 38°C occurring roughly once per decade during particularly intense heat domes. The 0% crowd probability suggests either extreme confidence in a specific outcome or insufficient liquidity to establish a baseline; comparing this against Taiwan's Central Weather Administration records for July 2015–2025 reveals that temperatures exceeding 36°C occur in approximately 60% of years, whilst readings above 38°C remain rare. Conditional order logic should account for this distribution when setting entry thresholds.

Traders monitoring this market should track the Japan Meteorological Agency's extended forecasts for the Western Pacific subtropical high-pressure system, which typically intensifies in mid-July and directly influences Taiwan's thermal ceiling. Seasonal typhoon activity—monitored via the Joint Typhoon Warning Center—can suppress temperatures by 2–4°C through cloud cover and moisture influx. The settlement window closes at 12:00 UTC on 19 July, creating a hard deadline for data verification; automated bots should confirm Wunderground's final reading 2–3 hours before closure to flag any late corrections.

Methodology

We track Highest temperature in Taipei on July 19? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.