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Highest temperature in Shenzhen on August 4?

Live odds for "Highest temperature in Shenzhen on August 4?" pulled from the Polygon order book, alongside the platform attributes of every venue that runs this contract.

31°C 100% 25°C or below 0% 26°C 0% 27°C 0% Volume: $83K Liquidity: $116K Closes: 4 Aug 2026
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Highest temperature in Shenzhen on August 4?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Who Will Win) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
100% 0% 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
31°C100%
25°C or below0%
26°C0%
27°C0%
28°C0%
29°C0%
30°C0%
32°C0%
33°C0%
34°C0%
35°C or higher0%

Market context

Shenzhen’s airport-based reading is a **hot, humid late-summer weather call**, and with the crowd at **0% yes** the market is leaning hard to an outside result rather than a broadly middling daytime peak. In handicapper terms, the favourite is still the **low-30s Celsius** band, because August in Shenzhen is normally very warm, with monthly average highs around **32°C** and lows near **26–27°C** in market-facing weather guides.[1][9][18][19] That makes the consensus look like a narrow peak rather than an extreme spike; the current pricing suggests traders are treating the day as more likely to finish in an ordinary monsoon-range maximum than to break cleanly into the higher brackets.[14]

The historical frame matters because Shenzhen in August usually combines heat with frequent rain and cloud cover, which tends to cap the day’s top temperature even when the air feels oppressive.[3][20] A recent Guangdong forecast for **4 August** had Shenzhen at **overcast, 25–29°C**, which is supportive of the underdog case for a sub-30 settlement if that pattern holds through the airport station’s afternoon high.[5] That is where the value spot sits for contrarians: the market’s 0% yes implies no chance pricing around the likely resolution bands, yet the weather baseline still favours a mid-to-high-20s or low-30s print rather than an outright heat surge.[3][5][14]

Traders should watch the daytime evolution of cloud, rain bands and any typhoon-related disruption, because those are the main catalysts that shift the maximum away from the forecast range. The key dependency is whether the airport station gets a brief warm-up before convection or rain suppresses the top reading early, since this market settles on the **highest recorded temperature** at Shenzhen Bao’an International Airport Station for the whole day.[5] Latest local radar, airport observations and short-range forecasts are the practical tells; at present, the consensus sits on a modest cap, while the contrarian angle is a late-day clearance that allows a sharper climb than the morning outlook suggests.[5][8][13]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Shenzhen on August 4? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Is this market available outside the US?
Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
What's the difference between YES and NO shares?
A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
What does Polymarket cost to trade?
Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
How fast are USDC deposits?
Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
How reliable are the quoted odds?
The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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