Highest temperature in Taipei on May 26?

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Market context

On 26 May 2026, the highest temperature recorded at Taipei Songshan Airport Station will determine the settlement outcome for this market. The resolution mechanism relies on historical weather data from Weather Underground, capturing the peak daily temperature in Celsius across all recorded times at that station. Settlement occurs on-chain in USDC once the meteorological record is finalised and published, typically within hours of the observation window closing at 12:00 UTC.

Taipei's May climate patterns show consistent heat with high variability. Historical data from the same station reveals May highs typically range between 28–34°C, though extreme heat events pushing toward 36–37°C occur roughly once per decade during early-season heat waves. The 0% crowd probability suggests traders are either awaiting clearer seasonal forecasts or treating this as a baseline reference point rather than a high-conviction trade. Comparable May days at Songshan show that temperature clustering around 30–32°C is modal, with outlier heat requiring specific atmospheric conditions—sustained high pressure systems or tropical air mass intrusion—that are not yet evident in extended forecasts.

Traders should monitor tropical cyclone activity in the Western Pacific during late May, as storm systems or their remnants can suppress temperatures through cloud cover and precipitation, whilst high-pressure ridges over East Asia drive sustained heat. The Taiwan Central Weather Administration publishes 10-day forecasts weekly; their next significant update before the settlement date will clarify whether monsoon patterns or heat domes dominate the period. USDC settlement mechanics mean funding rates on related crypto-weather derivative positions may shift if macro volatility spikes, though direct BTC/ETH correlation to Taipei temperatures remains negligible.

Methodology

This page reads Highest temperature in Taipei on May 26? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?

On BTC Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

BTC Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 does it cost to trade on BTC Prediction?

Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.