🎁 New traders: 100% Deposit Match up to $500 · 0% fees · instant USDC payoutsClaim it →
Skip to main content
HomeGuideCryptoMarketsBlogGo to the live market →

Highest temperature in Wuhan on August 17?

"Highest temperature in Wuhan on August 17?" on Polymarket, Kalshi and Is Kalshi Legal in California — what traders need to know about platform choice, KYC and tax law.

34°C 100% 28°C or below 0% 29°C 0% 30°C 0% Volume: $45K Liquidity: $212K Closes: 17 Aug 2026
Open live market →
Highest temperature in Wuhan on August 17?

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
34°C100%
28°C or below0%
29°C0%
30°C0%
31°C0%
32°C0%
33°C0%
35°C0%
36°C0%
37°C0%
38°C or higher0%

Market context

On 17 August 2026, the highest temperature recorded at Wuhan Tianhe International Airport will fall into one of several defined ranges measured in degrees Celsius. Resolution will depend on the Daily Observations table from Weather Underground rather than summary figures, a distinction that matters when intraday peaks diverge from headline highs. The settlement window closes at 12:00 UTC on that date, meaning traders must account for any temperature spike occurring after local midnight in Wuhan (UTC+8).

Wuhan's August climate is characterised by sustained heat and humidity; historical August averages peak near 32–33°C, with extremes occasionally exceeding 40°C during heat waves. The 0% crowd probability suggests either confidence in a specific temperature ceiling or sparse trading activity. Comparable August days at this station provide calibration: extreme heat events in central China have been documented by China Meteorological Administration records, though recent years show variability tied to monsoon patterns and urban heat island effects around the airport zone.

Traders should monitor China's National Meteorological Centre forecasts released in the week preceding 17 August, as well as any tropical cyclone activity in the Western Pacific that could suppress temperatures through cloud cover and precipitation. The China Meteorological Administration publishes 10-day outlooks roughly one week ahead. From a regulatory standpoint, this market's accessibility depends on jurisdiction: German traders face GlüStV licensing requirements for derivative prediction products; US participants fall under CFTC oversight if the platform operates as a derivatives exchange; most jurisdictions permit non-KYC trading up to approximately $1,500 notional exposure per calendar year, meaning this single-event weather contract typically remains accessible without identity verification for modest stakes.

Methodology

This overview of Highest temperature in Wuhan on August 17? 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 Is Kalshi Legal in California?
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.
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.
and

Trade Highest temperature in Wuhan on August 17? on Is Kalshi Legal in California

Live order book, 0% fees, USDC settlement in seconds.

Open live market →