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Highest temperature in Atlanta on August 1?

"Highest temperature in Atlanta on August 1?" on Polymarket, Kalshi and Polymarket Legal UK — what traders need to know about platform choice, KYC and tax law.

86-87°F 100% 79°F or below 0% 80-81°F 0% 82-83°F 0% Volume: $83K Liquidity: $16K Closes: 1 Aug 2026
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Highest temperature in Atlanta on August 1?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
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.

OutcomeProbability
86-87°F100%
79°F or below0%
80-81°F0%
82-83°F0%
84-85°F0%
88-89°F0%
90-91°F0%
92-93°F0%
94-95°F0%
96-97°F0%
98°F or higher0%

Market context

The event is the **highest temperature** recorded at Hartsfield-Jackson Atlanta International Airport on 1 August 2026, measured in Fahrenheit and judged on the day’s peak reading at the airport station. Atlanta’s August climatology is hot rather than extreme: the long-run average high for 1 August is about 89.6°F, while the record high for that date is 99°F, which sets the outer frame for how this market can settle.[1]

That makes a **0% YES** crowd price look consistent with the fact that the market has already closed on the outcome and now only depends on the verified station record, not on broader city weather impressions. Historical August extremes in Atlanta can still reach the low 100s, but those are rare and usually require a strong heat ridge; in the official climate record, 1 August has not been a date associated with a triple-digit benchmark, which is why the likely settlement bands cluster well below that level.[1][5] For accessibility, the “no-KYC up to $1,500” rule means a small position can generally be taken without full identity verification, but larger exposure or withdrawals may trigger checks; that matters here because the market is a straightforward weather contract rather than a complex event with ambiguous resolution risk.

For traders, the key catalysts are the National Weather Service forecast cycle, mesoscale thunderstorm timing, and any late revision to the station’s historical archive before the daily data are finalised. The immediate temperature path is sensitive to cloud cover, humidity, and whether afternoon convection fires early enough to cap the high below the upper 80s, while the final settlement depends on the official daily high posted for KATL. On the regulatory side, German GlüStV treatment can restrict participation from Germany depending on platform licensing and product classification, while US CFTC reach is relevant to whether a contract is viewed as a derivatives-style wager or an event contract; for a weather market, that cross-border access question is often as important as the forecast itself.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Atlanta on August 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

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.
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.
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 Legal UK would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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