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 |
|---|---|
| 92-93°F | 100% |
| 85°F or below | 0% |
| 86-87°F | 0% |
| 88-89°F | 0% |
| 90-91°F | 0% |
| 94-95°F | 0% |
| 96-97°F | 0% |
| 98-99°F | 0% |
| 100-101°F | 0% |
| 102-103°F | 0% |
| 104°F or higher | 0% |
Market context
The real-world event is the highest temperature recorded at LaGuardia Airport on 1 July 2026, measured in degrees Fahrenheit and sourced from Weather Underground. This single data point will determine the outcome of the prediction market, with the settlement window closing at 12:00 UTC on 1 July 2026.
Historical July highs in New York City typically range between 81°F and 99°F, with LaGuardia’s average high near 88°F and record highs reaching 107°F in 1966[6][7]. Current market sentiment shows a 0% probability for the “YES” outcome, suggesting traders expect the temperature to fall outside the defined range, possibly due to recent forecasts of warm, humid conditions with scattered storms in the Northeast[4]. Comparable markets, such as the lowest temperature in NYC on the same date, show strong consensus around 76–77°F, indicating high confidence in typical summer patterns[2].
Traders should monitor daily climatological reports from the National Weather Service and real-time updates from Weather Underground, especially as storm activity and temperature swings are forecasted for early July[4][5]. The German GlüStV regulatory framework and US CFTC oversight both influence market accessibility, while the “no-KYC up to $1,500” threshold allows broader participation without identity verification, enhancing liquidity for this weather-specific event. Recent news highlights dangerous heat potential in NY and NJ, which may shift expectations if conditions deviate from averages[6].
Methodology
This overview of Highest temperature in NYC on July 1? 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
- Do I need to KYC for Polymarket Legal UK?
- 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. 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.
- 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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