Highest temperature in Shenzhen on June 9?

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Market context

Shenzhen's early June weather pattern is entering a transitional phase as the pre-monsoon season intensifies. The city typically experiences daily highs between 28–32°C during this period, with humidity climbing sharply as the South China Sea warms ahead of the full monsoon onset in late May through July. Recent meteorological data from late May 2026 will establish the baseline for what traders should expect on 9 June, particularly whether any early-season heat waves or tropical systems have already elevated baseline temperatures.

Historical records from Shenzhen Bao'an International Airport show June extremes ranging from 34–37°C on the hottest days, though such peaks occur sporadically rather than consistently. The 0% crowd probability suggests either extreme confidence in moderate conditions or insufficient liquidity driving the market to edge cases. Comparable years with similar atmospheric pressure patterns and sea surface temperatures provide the most reliable analogue; traders should cross-reference June 2023 and June 2024 settlement data from the same station to calibrate expectations against the current year's trajectory.

The key variable between now and settlement is whether a tropical cyclone system develops in the western Pacific, which would either suppress temperatures through cloud cover and precipitation or, conversely, drive anomalous heat if the system tracks far enough south to create a heat dome effect. China Meteorological Administration forecasts released in early June will be the primary catalyst; traders should monitor these alongside real-time satellite imagery from the National Satellite Meteorological Centre for any unexpected pressure system development that could shift the temperature distribution materially.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Prediction Today, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on Prediction Today?

Zero. Prediction Today routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Today triggers a quick verification flow that finishes in 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.