Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax 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 |
|---|---|
| 70-71°F | 100% |
| 72-73°F | 1% |
| 63°F or below | 0% |
| 64-65°F | 0% |
| 66-67°F | 0% |
| 68-69°F | 0% |
| 74-75°F | 0% |
| 76-77°F | 0% |
| 78-79°F | 0% |
| 80-81°F | 0% |
| 82°F or higher | 0% |
Market context
The underlying event is the peak daytime heat recorded at LaGuardia Airport on 6 July 2026, measured in Fahrenheit by Weather Underground. Current crowd-implied probability sits at 0% for the highest temperature falling within the lowest range, a stance that aligns with historical extremes. Recent July days in New York have shattered records, with LaGuardia hitting 104°F on 2 July 2026, surpassing its 1966 high of 101°F[4]. Similarly, the airport recorded a historic midnight temperature of 94°F, indicating sustained heat waves that linger well past sunset[2][3]. These comparable cases suggest that a low-range outcome is statistically improbable, framing the current 0% probability as a rational market assessment rather than an outlier.
Traders must monitor official heat wave advisories and the National Weather Service’s daily forecast schedules, as dependencies on atmospheric pressure systems will dictate peak temperatures. A recent report from FOX Weather confirms that record-setting heat has already lingered into the night, with LaGuardia reaching 102°F earlier in the week[2]. The regulatory landscape further shapes accessibility; German GlüStV implications and US CFTC reach define the legal boundaries for such markets, while the “no-KYC up to $1,500” threshold allows immediate participation without identity verification for smaller positions. This specific market remains accessible to a broad audience, provided traders adhere to the settlement window ending 2026-07-06T12:00:00Z and the factual constraints of the resolution source.
Methodology
This overview of Highest temperature in NYC on July 6? 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 Tax UK has a different geo footprint.
- 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. Polymarket Tax 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 Tax 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.
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