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Highest temperature in Houston on August 9?

"Highest temperature in Houston on August 9?" — odds, fees, regulatory status. Is Kalshi Legal in California as a Polymarket alternative.

92-93°F 100% 79°F or below 0% 80-81°F 0% 82-83°F 0% Volume: $47K Closes: 9 Aug 2026
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Highest temperature in Houston on August 9?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legal in California) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

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

Market context

The relevant real-world event is the **highest recorded temperature at Houston’s William P. Hobby Airport on 9 August 2026**, with settlement tied to Weather Underground’s **Daily Observations** table rather than the summary high/low display. That matters because the market is resolving to a specific station reading in Fahrenheit, and the settlement source explicitly gives the observation table priority if any figures disagree.

The current **0% YES** crowd price is not a strong statement about the weather; it is usually a sign that the listed outcome band is being treated as effectively unavailable, mis-specified, or far out of line with the expected reading. For context, Houston’s August climate normally sits in the mid-90s Fahrenheit, and official and commercial forecasts for 9 August 2026 clustered around the low 90s, with the National Weather Service showing a high near **92°F** for Hobby Airport and Weather Underground’s nearby observations already in the 80s to low 90s during the day. Historical August climatology also places Houston’s daytime maxima mainly in the **90–97°F** range, so outcome bands around that zone tend to attract the most attention.

For traders, the practical catalysts are the day’s hourly forecast updates, the final airport observation sequence, and any late revisions before the first datapoint for 10 August is published, because those are the values that can still alter the resolved high. On the regulatory and access side, a German user-facing market like this sits in the shadow of the **GlüStV** gambling regime, while US participants also have to consider the possible reach of the **CFTC** over derivatives-style prediction products; in practice, “**no-KYC up to $1,500**” means lighter identity checks for small balances, but it does not remove geoblocking, product restrictions, or downstream verification triggers if activity scales.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Houston on August 9? 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. Is Kalshi Legal in California 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 Kalshi Legal in California 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).
What if regulation changes?
If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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