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Highest temperature in London on July 6?

How the prediction-market book is pricing "Highest temperature in London on July 6?" right now, with a side-by-side platform comparison and zero-fee CTAs.

32°C 39% 33°C 36% 31°C 19% 30°C 3% Volume: $74K Liquidity: $29K Closes: 6 Jul 2026
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Highest temperature in London on July 6?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Kalshi UK) Pick
polygram.ink (preferred broker)
 39% 61% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
 39% 61% 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.

OutcomeProbability
32°C39%
33°C36%
31°C19%
30°C3%
34°C3%
35°C1%
26°C or below0%
27°C0%
28°C0%
29°C0%
36°C or higher0%

Market context

Live Polymarket data shows 39% YES probability for Highest temperature in London on July 6?. This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 6 Jul '26. The resolution source for this mar…

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.

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

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.
Do I need to KYC for this market?
On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi 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.
James WilliamsJames WilliamsPrediction Market AnalystandDavid ParkDavid ParkSports Data Analyst

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