Highest temperature in Kuala Lumpur on July 27?

Platform comparison

Market context

The day’s high at Kuala Lumpur International Airport is the event Polymarket is pricing here, with the contract settling in USDC on Polygon through conditional tokens once the Wunderground record for 27 July is available. With the crowd implying **0% YES**, the market is effectively treating a top-end temperature outcome in the relevant range as negligible at this point, even though the settlement source is a single airport station rather than a citywide average.[1]

That reading is easiest to compare with Kuala Lumpur’s broader July climate, which is typically dominated by frequent rain and high humidity rather than sustained heat spikes. One July forecast source expects more than 130 mm of rainfall over the month and rainfall on over 30 days, a pattern that usually caps extreme daily highs and makes very hot outcomes less common than in drier tropical periods.[1]

For traders, the main catalysts are operational rather than political: the final hourly evolution of cloud cover, showers, and thunderstorms around Sepang, plus any late-day convective burst that could still lift the airport’s maximum before the settlement window closes. Because the market resolves to the highest temperature recorded for the day at Kuala Lumpur Intl Airport Station, the relevant watchpoints are the station’s observed maxima in Wunderground and any short-range weather guidance used by forecasters; with pricing at zero, even a modestly warmer-than-expected afternoon would matter more than usual.[1]

Sources: 1

Methodology

This page reviews Highest temperature in Kuala Lumpur on July 27? 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

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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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.