Pronóstico: Highest temperature in Kuala Lumpur on July 27?

Platform comparison

Market context

Polymarket is pricing this contract at **0% YES**, which means the market is effectively saying there is no visible chance, on current information, that Kuala Lumpur International Airport records a top temperature in the resolved range on the day. Because the contract settles against the highest reading logged by the Kuala Lumpur Intl Airport Station on Wunderground, the live temperature print matters more than the citywide feel; a brief spike is enough, and the outcome is tied to USDC-backed conditional tokens on Polygon rather than any discretionary judgement.[2]

For context, Kuala Lumpur in July is normally hot, humid and rainy, with typical daily highs around **29°C** and average relative humidity near **82%**.[2] That baseline matters because this is not a “cold snap” market; it is a heat-range market where the relevant question is whether the airport station reaches a level above its usual high at any point before the settlement window closes. July forecasts also point to substantial rainfall in Kuala Lumpur, which can cap daytime heating, but tropical convection can still produce sharp intra-day swings.[1][2]

A trader should watch the airport station’s Wunderground history page, plus any forecast updates that change cloud cover, rainfall timing or thunderstorm intensity near Sepang, where Kuala Lumpur International Airport sits.[1] The key dependency is not a headline weather narrative but the actual station maximum recorded before the window closes, so late-afternoon sunshine or a short dry interval can matter more than the day’s average conditions.

Sources: 1 · 2

Methodology

We track Pronóstico: Highest temperature in Kuala Lumpur on July 27? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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 Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.