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Highest temperature in Shenzhen on August 9?

"Highest temperature in Shenzhen on August 9?" across the four most-traded political prediction venues — live data, regulatory notes, every CTA to Trump Prediction.

36°C 48% 37°C 39% 38°C 10% 39°C 1% Volume: $86K Liquidity: $43K Closes: 9 Aug 2026
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Highest temperature in Shenzhen on August 9?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Trump Prediction) Pick
polygram.ink (preferred broker)
48% 52% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
48% 52% 0% Geo-blocked in US/UK/EU USDC, on-chain Live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Live odds →

Outcome probabilities

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

OutcomeProbability
36°C48%
37°C39%
38°C10%
39°C1%
30°C or below0%
31°C0%
32°C0%
33°C0%
34°C0%
35°C0%
40°C or higher0%

Market context

Shenzhen is facing a hot, humid August day, with nearby forecasters pointing to a daytime high in the mid-to-upper 30s Celsius and a chance of thunderstorms later in the afternoon. AccuWeather has the city near **35–36°C**, while Weather China and other local-style forecasts cluster around **35°C** for the day, which makes the market’s reference to the station’s *highest observed reading* more relevant than the headline “day high” figure.[1][5][13][14]

That backdrop makes a zero-implied price look conservative only if traders expect cloud cover or rain to cap the peak before early afternoon. In comparable Shenzhen August conditions, published forecasts often sit one to two degrees apart across sources, so the key read-through is not the exact forecast number but whether the station at Shenzhen Bao’an International Airport records a brief spike above the main forecast band before convection builds.[1][3][6]

The main catalyst is the evolution of the thunderstorm risk and the timing of cloud build-up, because the market settles on the highest value in Weather Underground’s Daily Observations table rather than a summary high. Traders should watch the hourly forecast path and any sudden shift in precipitation timing, with AccuWeather’s morning update already flagging a possible thunderstorm around the afternoon and a rainstorm warning in force for the wider area.[1][2][20]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Shenzhen on August 9? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

UK Frequently Asked Questions

How accurate are political prediction markets?
Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
Can prediction markets influence election outcomes?
Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
Are political prediction markets legal in my country?
It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
Why do Polymarket and Kalshi differ on elections?
Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
Are UK election prediction markets available from the UK?
Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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