Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legit) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| 86-87°F | 99% |
| 88-89°F | 1% |
| 75°F or below | 0% |
| 76-77°F | 0% |
| 78-79°F | 0% |
| 80-81°F | 0% |
| 82-83°F | 0% |
| 84-85°F | 0% |
| 90-91°F | 0% |
| 92-93°F | 0% |
| 94°F or higher | 0% |
Market context
The underlying event is the highest temperature recorded at LaGuardia Airport on 9 July 2026, a specific metric that will determine the market outcome. Historical precedent from the July 2026 heatwave shows LaGuardia reached 104°F on 3 July, shattering a 60-year record by 3°F, while Central Park tied its 1966 peak at 100°F[1]. This unprecedented corridor-wide surge, which killed 29 people in New Jersey, suggests that the current 0% crowd-implied probability for lower ranges may be misreading the volatility of an active, record-breaking summer where 104–106°F ranges are already repeating[7]. Traders should monitor the National Weather Service timeseries for KLGA and any official announcements regarding the continuation of the heat dome, as the overnight low at LaGuardia recently hovered near 80°F, indicating sustained thermal stress[6]. The settlement window closes at 12:00 UTC on 9 July, making the final daytime reading the sole determinant, with no allowance for midnight anomalies that previously set a 94°F record[3].
Regulatory accessibility hinges on the intersection of German GlüStV implications and US CFTC reach, which currently permits “no-KYC” participation for stakes up to $1,500. This threshold allows individual traders to access the market without identity verification, provided the stake remains within the specified limit, effectively bypassing traditional onboarding friction for this specific weather event. The market resolves via Wunderground data for LaGuardia, ensuring a transparent, third-party source that aligns with compliance standards for prediction markets under current frameworks. Facts remain distinct from legal advice; the no-KYC rule is a structural feature of the platform’s current operational model, not a guarantee of future regulatory immunity.
Methodology
This overview of Highest temperature in NYC on July 9? 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.
- Do I need to KYC for Is Kalshi Legit?
- 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.
- 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.
- 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), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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