Highest temperature in Taipei on July 23?

Platform comparison

Market context

Polymarket prices this contract with **34°C** as the clear frontrunner at **77%**, while **35°C** sits at **18%** and the crowd gives **0%** to the market’s other visible outcomes, so the book is leaning towards a hot but not extreme Taipei afternoon at Songshan Airport.[1] Because the resolution depends on the **highest temperature recorded** at Taipei Songshan Airport Station on **23 July 2026** and pays out in **conditional tokens** settled on **Polygon** with **USDC**, traders are effectively pricing the peak reading rather than the day’s average weather.[1]

That positioning is consistent with Taipei’s July climate, where the month is typically the city’s hottest and daytime highs are often around **34°C**, with broader Taiwan July highs commonly in the low 30s to upper 30s Celsius.[3][2][5] The comparison point matters because a 34°C print is already near the seasonal centre of mass, while a 35°C outcome requires a modest overshoot rather than an outlier heatwave. For a prediction market user, the current 0% YES-style pricing on the non-leading outcomes suggests the contract is being read as a narrow temperature band rather than a wide distribution.

The main catalysts are the day’s actual synoptic conditions: cloud cover, afternoon convection, sea breeze effects, and any rain bands that suppress the peak. July guidance for Taipei also stresses humidity, sun protection, and rain protection, which is relevant because short-lived cloudbursts or thunderstorms can cap the maximum even in a hot month.[4][5] Since settlement uses the Wunderground daily history page for RCSS, traders should watch the intraday build-up towards early afternoon and any last-mile forecast updates rather than the overnight minimum or the daily mean.[1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Taipei on July 23? 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 PolyGram, 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 PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.