Highest temperature in Taipei on August 2?

Platform comparison

Market context

The settlement depends on the **highest reading at Taipei Songshan Airport Station** on 2 August, so the relevant number is the day’s maximum, not the noon snapshot or the mean temperature. In practical terms, that means a programmatic trader should poll the Wunderground history page through the settlement window and compare the station’s top observed Celsius value against the outcome bands once the local afternoon has played out.[2][4]

For context, Taipei in August is typically hot and humid, with normal daytime highs around **32–33°C** and occasional spikes into the mid-30s, while the broader Taipei record sets a ceiling near **38°C** in recent climate summaries.[3][4][15][20] That makes a 0% implied chance for the highest bands hard to justify on climatology alone if the market is still live early in the day; the more realistic way to read such a price is as a thin-liquidity signal, not a weather forecast. Recent comparable August trading in Taipei has already assigned meaningful weight to **36°C** and **37°C** outcomes, which underlines how quickly the curve can reprice when the market expects a hot afternoon.[11]

The main catalysts are the day’s actual temperature trajectory, cloud cover, and any convective rain or typhoon-related disruption that suppresses the afternoon peak; Taipei’s August weather is commonly described as hot, wet, and stormy, with frequent showers and typhoons in the mix.[2][9][12] For a power-user workflow, the useful inputs are the station feed, any short-range forecast updates, and timing around the local peak heating window, because the settlement source records the highest value at any point before the window closes.[2][14]

Sources: 1 · 2 · 3 · 4 · 5

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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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.

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 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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Review 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.