Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
90% | 10% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 34°C | 90% |
| 35°C | 10% |
| 36°C or higher | 1% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
Market context
Kuala Lumpur’s midday heat is usually set by tropical convection rather than a long, dry heating cycle, so the key question is whether clouds and showers hold temperatures down or whether a brief sunny spell allows a spike towards the day’s peak. Weather Underground is the settlement source here, and its Kuala Lumpur history page has shown recent daily highs around 91°F (33°C), which is consistent with the broader August pattern for the city. [5][8]
That makes the current 0% YES reading a weak starting point rather than a strong signal on the weather itself: in Kuala Lumpur, August highs commonly sit near 30–31°C, but individual days often reach 32–33°C, with hotter 34°C outcomes appearing in forecast products and market pricing alike. Weather Underground’s historical record for Kuala Lumpur also shows a record high of 95°F, so a 33°C or 34°C settlement remains well within normal warm-season territory. [4][5][10]
For traders, the main catalyst is the day’s evolving forecast and any observed morning rain or early cloud cover, because those are the factors most likely to cap the afternoon maximum. Malaysia’s Met Department forecast for Kuala Lumpur on 10/08/2026 calls for no rain and a maximum of 33°C, while timeanddate’s forecast points to isolated thunderstorms and a high near 89°F, and AccuWeather similarly leans warm with showers. That cluster of outlooks suggests the market is currently leaning on whether convection arrives early enough to suppress the top temperature, rather than on any extreme-heat scenario. [11][17][9]
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Kuala Lumpur on August 10? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
UK Frequently Asked Questions
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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