Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 76-77°F | 100% |
| 67°F or below | 0% |
| 68-69°F | 0% |
| 70-71°F | 0% |
| 72-73°F | 0% |
| 74-75°F | 0% |
| 78-79°F | 0% |
| 80-81°F | 0% |
| 82-83°F | 0% |
| 84-85°F | 0% |
| 86°F or higher | 0% |
Market context
The temperature at Los Angeles International Airport on 22 July 2026 will be judged by the day’s highest Fahrenheit reading, as logged by Wunderground for the KLAX station. A crowd-implied 0% for “YES” is not a general forecast of a cool day; it reflects how the market is currently distributed across the offered temperature band, with the dominant price sitting in one specific range rather than on the binary side of the contract.
For comparison, airport highs in Los Angeles in late July are often constrained by the marine layer, but inland push, weak onshore flow, or a broader Southern California warm spell can still move the afternoon maximum into a higher band. In practice, similar temperature markets tend to be read less as a guess at the exact daily high and more as a position on whether coastal moderation or a brief heat-up wins out at the airport sensor. The present 100% pricing on 76–77°F indicates the market is already treating that band as the settled outcome, which makes the remaining question largely one of whether the final Wunderground record ever revises within the settlement window.
For accessibility and compliance, the market sits in a grey zone that traders often assess through local and platform-facing rules rather than the weather itself: German GlüStV issues matter if access is being viewed from Germany, while US CFTC reach is relevant because event contracts can attract US derivatives scrutiny depending on structure and venue. On the platform side, “no-KYC up to $1,500” means a user can usually access the market with lighter identity checks until cumulative activity crosses that threshold, after which additional verification is typically required; that affects friction, not the contract’s settlement mechanics.
Methodology
This overview of Highest temperature in Los Angeles on July 22? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Legal UK stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- What happens during a tax audit?
- You're responsible for documenting your trades. Polymarket Legal UK exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Polymarket Legal UK would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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