Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legit) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 78-79°F | 100% |
| 73°F or below | 0% |
| 74-75°F | 0% |
| 76-77°F | 0% |
| 80-81°F | 0% |
| 82-83°F | 0% |
| 84-85°F | 0% |
| 86-87°F | 0% |
| 88-89°F | 0% |
| 90-91°F | 0% |
| 92°F or higher | 0% |
Market context
At Los Angeles International Airport, the question is which Fahrenheit band will contain the day’s *highest* recorded temperature on 26 July 2026, using the Wunderground airport history page as the settlement source. The market is currently pricing that outcome very narrowly, with 80–81°F leading at 50% and 74–75°F close behind at 49%, while the reported 0% YES figure is not informative for the weather event itself because settlement depends on the final observed maximum, not a binary trigger.[1]
For context, a 0% crowd view in a weather market usually reflects either a data gap, stale positioning, or a belief that the eventual reading will land outside the currently discussed band, rather than a firm forecast that the event cannot resolve positively. In practice, these contracts are read against local climatology and the airport station’s official daily extreme, so late-day heat spikes, marine-layer suppression, or a coastal cooling pattern can shift the final band materially. Under German GlüStV, access and marketing restrictions matter because prediction markets can be treated as gambling-like products, while US CFTC reach is relevant where a platform is deemed to offer commodity-style event contracts to US persons; separately, “no-KYC up to $1,500” means a user can generally interact with limited identity checks until cumulative activity crosses that threshold, which affects who can enter quickly but does not change the settlement source.[1]
The main catalysts are operational rather than narrative: the airport’s hourly weather evolution, any afternoon temperature peak before the market’s settlement window closes, and whether the final Wunderground daily history entry is updated without delay. For traders, the relevant dependency is the published LAX station maximum, not headlines or citywide weather commentary, so the decisive information arrives from the station record itself rather than from forecasts after the fact.[1]
Sources: 1
Methodology
This overview of Highest temperature in Los Angeles on July 26? 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. Is Kalshi Legit has a different geo footprint.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legit 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. Is Kalshi Legit exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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