Highest temperature in Taipei on July 1?

Platform comparison

Market context

The real-world event in question is the highest temperature recorded at Taipei Songshan Airport on 1 July 2026, measured in degrees Celsius and sourced from Wunderground. This metric determines the resolution of a prediction market where the current crowd-implied probability for a specific outcome sits at 0%, suggesting traders view that range as virtually impossible given the season’s typical thermal behaviour.

Historically, July is the hottest month at Taipei Songshan Airport, with average highs reaching 92°F (33.3°C) and frequent peaks exceeding 87°F (30.6°C) [3]. Record-breaking events are not uncommon; Taipei recently hit 39.7°C, its highest in 124 years, driven by intense regional heat influence [8]. Such extremes frame the current 0% probability as a conservative stance, as even modest deviations from the mean could push temperatures into higher ranges, making the market’s implied certainty appear fragile against historical volatility.

Traders should monitor real-time forecasts for local thunderstorms and precipitation, which could suppress peak temperatures, as well as broader heatwave patterns affecting the Taiwan region [1]. Recent news highlights a blistering 38.3°C day in May, the hottest since records began for that month, indicating a trend of escalating thermal stress [9]. Programmatically, one would ingest Wunderground’s hourly data via API, apply conditional orders based on temperature thresholds, and adjust positions dynamically as new meteorological updates arrive, ensuring alignment with the settlement window ending 2026-07-01T12:00:00Z.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Taipei on July 1? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Fees, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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.

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.