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 |
|---|---|
| 82-83°F | 100% |
| 73°F or below | 0% |
| 74-75°F | 0% |
| 76-77°F | 0% |
| 78-79°F | 0% |
| 80-81°F | 0% |
| 84-85°F | 0% |
| 86-87°F | 0% |
| 88-89°F | 0% |
| 90-91°F | 0% |
| 92°F or higher | 0% |
Market context
On 13 July 2026, the highest temperature recorded at Hartsfield-Jackson International Airport in Atlanta will fall into one of several defined ranges. This market settles on historical weather data from Wunderground's station records, making the outcome entirely dependent on meteorological conditions and measurement accuracy at that specific location. The 0% crowd probability suggests traders currently view extreme heat outcomes as unlikely, though Atlanta's summer climate regularly produces temperatures in the low to mid-90s Fahrenheit.
Atlanta's July temperatures have historically clustered between 88–94°F as daily highs, with readings above 95°F occurring in roughly one-third of years during this month. The National Weather Service records show that temperatures exceeding 100°F remain rare in Atlanta, last occurring in 2019. Understanding the resolution mechanism is critical: Wunderground's historical data reflects readings from the airport station only, which may differ marginally from other monitoring points across the city. The current zero probability likely reflects market participants' assessment that extreme heat thresholds are improbable rather than impossible.
From a regulatory standpoint, this weather derivative falls within the remit of both the US CFTC and, for traders in EU jurisdictions, Germany's GlüStV gambling licensing framework. Prediction markets operating under no-KYC thresholds—typically up to $1,500 per transaction—allow retail participation without full identity verification, though aggregate exposure and jurisdiction-specific restrictions apply. Traders should verify their local regulatory status before engaging, as weather prediction markets occupy a grey zone between financial derivatives and gaming products depending on licensing and domicile.
Methodology
This overview of Highest temperature in Atlanta on July 13? 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.
- 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.
- 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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