Highest temperature in Taipei on August 6?

Platform comparison

Market context

Taipei’s midday peak on the reference station is trading as a **heavy favourite** to land in the mid-30s Celsius, with the current crowd putting **35°C at 31%** and **36°C at 27%**, while the market is still pricing the sub-35°C and 37°C-plus tails as live but less likely. That leaves the implied probability at **0% YES** for any one specific band only if the settlement bucket is not the one the crowd is loading; in practice, consensus is clustered around the hottest standard summer bins rather than a surprise cool or extreme spike.[1]

Historically, August in Taipei is a high-heat, high-humidity month, with published climate normals showing average highs around **33°C–34°C** and many guides flagging August as the hottest period of the year, sometimes reaching **35°C** or more.[9][15][18] That frames the favourite/underdog split neatly: the market’s centre of gravity sits on a familiar late-summer heat profile, while value, if any, is more likely in contrarian positions on an overcooked extreme or a slightly suppressed afternoon high if cloud or showers arrive.[2][6][14]

For catalysts, the key watchpoint is the actual weather evolution through the day at Taipei Songshan Airport, because this market resolves on the **highest recorded temperature** there on 6 August, not a citywide forecast.[1] Traders should monitor any typhoon-related track shifts, afternoon convection, or rainfall bursts that could cap the top end, alongside the latest hourly forecasts from major weather providers; current August outlooks already point to heat with a meaningful rain risk, which is the main source of downside to a 35°C–36°C consensus.[5][6][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

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 Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.