Highest temperature in Los Angeles on July 26?

Platform comparison

Market context

The real-world event is the hottest temperature recorded at Los Angeles International Airport on 26 July 2026, measured during the full day and then matched to the market’s outcome ranges. In a prediction market, a **YES** share pays out if the final result lands in the chosen range; a **NO** share wins if it does not, so the price is the crowd’s live estimate of that bucket’s odds.[1]

A crowd-implied probability of **0% YES** usually means traders see that specific temperature band as effectively unreachable, not that the day itself will be unremarkable. For a weather market like this, historical context matters: Los Angeles coastal temperatures are often muted by marine influence, but inland heat episodes can still push airport readings higher than surrounding neighbourhood forecasts. The market’s own spread between the leading ranges shows how sharply traders are currently distinguishing between nearby outcomes, with 80–81°F and 74–75°F priced as the main contenders.[1]

For traders, the main catalysts are the forecast updates that affect the airport specifically: National Weather Service temperature guidance, marine layer strength, onshore flow, and any late-developing heat signal tied to regional pressure patterns. Since settlement uses the daily high from Wunderground’s KLAX history page, the key dependency is the actual recorded maximum at the airport station rather than a citywide forecast or a neighbourhood reading. A market that looks settled early can still move if the morning cloud cover clears sooner or later than expected, shifting the day’s peak into a different bracket.[1]

Sources: 1

Methodology

This page reviews Highest temperature in Los Angeles on July 26? 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 Prediction Market UK, 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 Prediction Market UK. 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.

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 Prediction Market 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.