Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax UK) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
90% | 10% | 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 |
|---|---|
| 84-85°F | 90% |
| 86-87°F | 7% |
| 88-89°F | 2% |
| 90-91°F | 1% |
| 75°F or below | 0% |
| 76-77°F | 0% |
| 78-79°F | 0% |
| 80-81°F | 0% |
| 82-83°F | 0% |
| 92-93°F | 0% |
| 94°F or higher | 0% |
Market context
On 27 July 2026, the highest temperature recorded at LaGuardia Airport Station will fall into one of several defined ranges, measured in degrees Fahrenheit. The National Weather Service operates the official observation station at KLGA, and historical records from Weather Underground provide the settlement baseline. New York's summer temperatures typically peak between late June and mid-August, with July averages around 79°F, though heat waves can push readings into the low-to-mid 90s. The current crowd probability of 0% suggests either extreme confidence in a specific temperature band or insufficient liquidity across all outcome ranges.
July temperatures at LaGuardia have historically clustered between 75°F and 88°F on typical days, with extreme readings above 95°F occurring roughly once per decade during the month. The 2021 heat dome brought readings near 102°F across the region, though such events remain statistical outliers. Comparable July 27th observations from prior years show variability: traders should cross-reference Wunderground's historical daily records for the same date across 2015–2025 to calibrate baseline expectations and identify whether the current market pricing reflects genuine uncertainty or data gaps.
The primary catalyst remains the Atlantic hurricane season and upper-level atmospheric patterns developing in early July 2026. Tropical systems tracking northward or high-pressure ridges anchoring over the Northeast both influence daily maxima. The National Weather Service issues extended forecasts from mid-July onwards; traders should monitor the Climate Prediction Center's outlooks for heat advisories or anomalous ridge development. Settlement occurs at 12:00 UTC on 27 July, aligning with Wunderground's daily high-temperature reporting, which typically reflects the 24-hour observation window ending at 0400 UTC the following day.
Methodology
This overview of Highest temperature in NYC on July 27? 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 Tax 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 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.
- 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), Polymarket Tax UK would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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