Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legal in California) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 84-85°F | 100% |
| 71°F or below | 0% |
| 72-73°F | 0% |
| 74-75°F | 0% |
| 76-77°F | 0% |
| 78-79°F | 0% |
| 80-81°F | 0% |
| 82-83°F | 0% |
| 86-87°F | 0% |
| 88-89°F | 0% |
| 90°F or higher | 0% |
Market context
The event is the highest temperature recorded at LaGuardia Airport in New York City on 2 August 2026, with settlement based on the day’s peak Fahrenheit reading from the Wunderground history page for KLGA. A 0% crowd-implied price means the market is currently not assigning any weight to a YES outcome, which is unusual for a weather contract but can happen when the distribution is seen as narrow, the market is thin, or traders expect the eventual reading to sit outside the named range.
Historically, New York City in August usually sits in the high 20s Celsius, roughly the low to mid-80s Fahrenheit, with AccuWeather and other forecast services placing early-August highs around 82-84°F on comparable days. That makes the most plausible settlement bands look centred on the low- to mid-80s rather than extreme heat, although airport readings can differ from Central Park and other city locations because of local siting, wind, cloud cover, and sea-breeze effects. Recent New York heat coverage from the summer showed the region can still spike sharply, including a 100°F reading in the city in July, so traders often treat late-season warmth as a genuine tail risk rather than a fixed mean.
For accessibility, the key regulatory backdrop is that platforms touching US residents can face CFTC scrutiny if a product is treated as a derivatives contract rather than a plain event wager, while German users must consider the GlüStV regime, which tightly regulates or restricts online gambling and event-style betting. “No-KYC up to $1,500” generally means an account can usually be opened and used with lighter identity checks until cumulative activity reaches that threshold, improving access for small positions but not removing age, residency, sanctions, or source-of-funds controls. For this market, the practical catalyst is the actual Wunderground station history update at KLGA: late-afternoon heating, passing showers, cloud breaks, or a sea-breeze shift can still move the day’s high by a degree or two, which is often enough to change the settled temperature band.
Methodology
This overview of Highest temperature in NYC on August 2? 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 Legal in California has a different geo footprint.
- Do I need to KYC for Is Kalshi Legal in California?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legal in California 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.
- 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).
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