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Guangzhou July 27 Peak Temp: Market Locks 32°C

Guangzhou July 27 Peak Temp: Market Locks 32°C

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SR Sofia Renard Climate & Science Analyst
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Lines Verdict
YES at 98% implied probability

STRONGLY FAVORS YES: Real-time temperature data drove a 72% single-day price surge to 96.5%. The market is not forecasting; it is confirming. Market probability: 96.5%.

98% Market Probability
1h +0.0% 24h +72.0% Trend Moderate (65/100)
Volume
$95.6K
$63.3K in 24h
Liquidity
$157.4K
Deep liquidity
Time Left
9 hours
Resolves Jul 27
96K Vol. Jul 27, 2026
32°C $15K Vol.
98%
33°C $13K Vol.
2%
27°C or below $3K Vol.
0%
28°C $8K Vol.
0%
29°C $12K Vol.
0%
30°C $14K Vol.
0%

Guangzhou’s midday heat is no longer a question for traders. The 32°C outcome contract has surged to a 96.5% implied probability, with momentum accelerating sharply through the early hours of July 27, 2026. The market has essentially closed the debate before the thermometer does. Here’s what the measurements are telling us: this market moved seventy-two percent in twenty-four hours because real-time temperature data aligned with the 32°C threshold, and traders acted on it fast.

The market question asks whether Guangzhou’s highest temperature on July 27 will reach exactly 32°C. The YES contract trades at $0.97, the NO contract at $0.04, and the market resolves at 12:00 UTC on July 27, 2026. Total volume stands at $81,673, with $56,371 traded in the last twenty-four hours alone.

How the 32°C Contract Works

Resolution requires Guangzhou’s verified peak temperature on July 27 to register exactly 32°C according to the designated resolution source. A reading of 31°C or 33°C means NO pays out. The contract resolves the same day it closes, at noon UTC on July 27, 2026.

  • YES ($0.97): Guangzhou’s highest temperature on July 27 hits exactly 32°C.
  • NO ($0.04): Guangzhou’s peak temperature lands at any other value, including 31°C, 33°C, or any adjacent outcome listed in the market.

The NO scenario requires Guangzhou’s temperature to land outside the 32°C band. South China’s late-July heat is notoriously variable by one or two degrees depending on cloud cover, sea breeze timing, and afternoon convection. A brief thunderstorm or an earlier-than-expected sea breeze could push the peak down to 31°C. Equally, sustained solar radiation through midday could push the reading to 33°C. Either result pays out NO at the current $0.04 price.

Momentum and Market Signals

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The momentum composite here is unusually clean. A trend score of 87.41, a one-hour gain of thirty-one percent, and a twenty-four-hour gain of seventy-two percent form a single coherent signal: traders saw real-time or forecast temperature data confirming 32°C and moved aggressively. This is not gradual drift. This is information arriving and being priced immediately.

Total volume of $81,673 with $56,371 in the last twenty-four hours shows concentrated, late-stage conviction. Liquidity at $124,508 exceeds volume, which is unusual and suggests the order book remains deep relative to position size. However, total volume sits well below $1 million. Thin markets like this can reprice sharply on a single updated weather station reading or forecast revision. One data point can move this contract fast in either direction.

  • The one-hour price jump of thirty-one percent on July 27 points directly to a morning temperature reading or updated forecast aligning with 32°C.
  • The twenty-four-hour gain of seventy-two percent from July 26 into July 27 shows the market was not pricing 32°C as the leader until very recently.
  • Liquidity exceeding total volume means the order book has not been drained, and a surprise reading could find willing counterparties quickly.
  • The trend score of 87.41 sits near the top of the scale, confirming directional conviction, not indecision.
  • Open interest at zero suggests most positions are already settled or matched, reducing residual uncertainty about the contract structure.

Lines Analysis: Guangzhou Temperature on July Twenty-Seven

Late July in Guangzhou sits in the heart of the Pearl River Delta’s summer heat peak. Average daily highs in this period cluster between 32°C and 34°C, with 32°C representing a mild but entirely plausible peak for a day with partial cloud cover or early afternoon sea breeze influence. The market’s sharp move reflects traders treating the 32°C outcome as confirmed by available temperature data, not as a forward forecast.

The meaningful risk lives at the margins. An afternoon convective storm, a stronger-than-forecast sea breeze off the South China Sea, or unexpected cloud development could hold the peak at 31°C. Conversely, a clear-sky morning with sustained southwesterly flow could push the reading to 33°C or 34°C. Both outcomes would reprice the NO contract from $0.04 to $1.00 instantly. The data doesn’t care about the politics of probability. A one-degree miss pays NO in full.

  • A final confirmed reading at a Guangzhou meteorological station of exactly 32°C locks YES at full resolution value.
  • Any afternoon convection or cloud development reducing peak insolation would shift the reading toward 31°C and flip the outcome.
  • Clear-sky conditions sustained past noon UTC would increase the probability of a 33°C or higher reading, which also pays NO.
  • Rapid resolution timing at noon UTC means there is limited window for late-day temperature correction to matter.
  • Updated Guangzhou Weather Bureau readings in the next few hours are the single most important data stream to watch.

Total volume of $81,673 with a liquidity depth of $124,508 reflects a niche, high-conviction market near resolution. The data flow favors YES. But thin volume means any verified reading outside 32°C would reprice this contract completely before most traders could react.

LINES VERDICT

STRONGLY FAVORS YES

The market has priced 32°C as near-certain based on temperature data available this morning. The momentum signal is clean and directional, not speculative.

What the market says: At 96.5% implied probability, the market treats 32°C as effectively confirmed. With resolution at noon UTC on July 27, thin volume means a single station reading outside the target would reprice this instantly.

Key unknown: The Guangzhou Weather Bureau’s final verified peak reading for July 27 is the only data point that resolves this contract. Any updated measurement between now and noon UTC is the decisive variable.

Frequently Asked Questions

Traders are pricing a 96.5% chance that Guangzhou's peak temperature on July 27 registers exactly 32°C. That reflects current temperature data, not a guarantee of the outcome.

Any reading outside exactly 32°C resolves the contract as NO. The NO contract currently trades at $0.04, paying $1.00 if Guangzhou's peak lands at any other listed temperature.

A verified Guangzhou Weather Bureau station reading or updated forecast showing the peak above or below 32°C would reprice this contract sharply. The market resolves at noon UTC July 27.

Resolution is set for 12:00 UTC on July 27, 2026. The contract closes the same day it was traded, based on the day's confirmed peak temperature reading.

Total volume is $81,673, well below $1 million. Thin markets can reprice sharply on a single data update. Liquidity at $124,508 adds some depth, but treat the price as directional, not definitive.

We aggregate the live positions of the top 50 Polymarket whales (ranked by 30-day tracked volume) into one composite reading per market. It refreshes every hour. The percentage shows how many of those whales hold YES versus NO; the net dollar position shows the cohort's directional exposure in dollars.

A convergence event fires when three or more tracked wallets buy the same outcome on the same market within a four-hour window. We surface these in the activity feed and the VIP digest.

No. Lines is an editorial and data product. We do not operate prediction markets, custody funds, or accept trades. All trade flows deep-link to Polymarket via our affiliate code. Probabilities shown are market-implied and not predictions or recommendations.

What Could Shift These Probabilities?

32°C Confirmed at Resolution

Guangzhou Weather Bureau stations record a peak of exactly 32°C before noon UTC on July 27. Partial cloud cover and a moderate sea breeze off the South China Sea keep the reading from climbing to 33°C. The YES contract resolves at full value. Traders who moved on this morning's temperature data collect the full return.

Clear Sky Pushes Reading to 33°C

Sustained solar radiation through late morning without cloud interruption drives Guangzhou's peak above 32°C, landing at 33°C or 34°C. The YES contract resolves at zero. The 33°C or 34°C outcome contracts pay out instead. Thin market volume means this repricing would be instant and complete.

Afternoon Convection Holds Peak at 31°C

An earlier-than-expected convective storm or strong sea breeze limits Guangzhou's peak to 31°C before noon UTC. The NO contract jumps from $0.04 to full resolution value. Traders holding the 31°C outcome contract collect. The YES position, currently at $0.97, goes to zero despite the morning data alignment.

Station Data Conflict Before Resolution

Multiple Guangzhou meteorological stations report differing peak readings straddling 32°C and 33°C due to local urban heat island variation. If the resolution source uses a specific station or averaging method, the contract outcome hinges on that methodology rather than the broader city-wide temperature. Resolution ambiguity in thin markets creates sharp, unpredictable price moves.

Key macro factor: Late July Pearl River Delta conditions are governed by the southwest monsoon and South China Sea sea surface temperatures, which currently run above the thirty-year average, supporting elevated heat accumulation through midday.

Market Timeline

Jul 25, 4:05 AM
Market Created
Jul 25, 4:05 AM
Market Opened
12:00 PM
Market Resolution

Market Comments

Probabilities shown are market-implied and not predictions or recommendations. This content is for informational purposes only.