Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Polymarket Legal in Canada) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the 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 outcome will be set by the highest temperature recorded at LaGuardia Airport on 2 August, so the relevant question is whether the station peaks in a low, mid or upper 80s Fahrenheit band, or pushes into 90°F-plus territory. Wunderground’s daily history page for KLGA is the settlement source, which matters because the market is not about Central Park, “feels like” temperature, or a citywide average; it is about one station’s official daily maximum.
The current **0% YES** crowd view is more a liquidity signal than a weather forecast. For context, late-summer New York commonly sits near the upper 70s to low 80s, but recent heat has shown the city can move sharply higher: in early July 2026, New York reached 100°F for the first time in years, underscoring that extreme outcomes remain possible when a strong ridge or humid air mass builds over the region.[6][7][18] Comparable prediction markets also tended to cluster around the low-to-mid 80s rather than the extreme tails, which is consistent with a market that resolves on a narrow airport-specific reading rather than broader metro conditions.[2][4]
For traders, the main catalysts are the short-range forecast updates from the National Weather Service, the exact progression of any heat advisory or front passage, and whether thunderstorms, cloud cover or sea-breeze influence suppress the afternoon high before the settlement window closes at noon UTC, which is still early morning in New York. Accessibility is also shaped by regulation and onboarding: Polymarket-style markets can be restricted in Germany under the GlüStV if the activity is treated as unauthorised gambling, while in the US the CFTC’s position on event contracts keeps legal status and availability closely tied to product structure and jurisdiction. If the venue offers *no-KYC up to $1,500*, that usually means smaller accounts can trade without full identity verification until cumulative limits are reached, making this market easier to access for low-stakes participation but not removing geoblocking, sanctions screening, or venue-specific limits.
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 Polymarket Legal in Canada 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. Is Polymarket Legal in Canada 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. Is Polymarket Legal in Canada exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Polymarket Legal in Canada would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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