Home / Prediction Markets / Science / Chongqing July 1 Temperature: Is 30°C Already Locked In? Chongqing July 1 Temperature: Is 30°C Already Locked In? ☆ Watch Paper Bet View on Polymarket → Share SR Sofia Renard Climate & Science Analyst Embed NEW Embed this market Full Compact Copy Published June 30, 2026 7 min read Lines Verdict YES at 100% implied probability YES IS HISTORICALLY UNDERPRICED: Chongqing's July climate baseline puts 30°C well below typical daily highs. The current 41% YES price has not caught up to the historical record. Market probability: 41%. 100% Market Probability 1h +25.4% 24h +68.9% Trend Strong (87/100) Volume $133.2K $106.6K in 24h Liquidity $99.6K Moderate depth Time Left 10 hours Resolves Jul 1 133K Vol. Jul 1, 2026 1H 6H 1D 1W 1M ALL Select lines to display 30°C or higher $21K Vol. 100% Buy Yes 99.9¢ Buy No 0.2¢ 27°C $18K Vol. 0% Buy Yes 0.1¢ Buy No 99.9¢ 20°C or below $13K Vol. 0% Buy Yes 0.1¢ Buy No 100¢ 21°C $15K Vol. 0% Buy Yes 0.1¢ Buy No 100¢ 22°C $5K Vol. 0% Buy Yes 0.1¢ Buy No 100¢ 23°C $7K Vol. 0% Buy Yes 0.1¢ Buy No 100¢ Chongqing sits at 41% for hitting 30°C or higher on July 1, and that number looks low the moment you check a climate record. This is one of China’s three famous “furnace cities,” where July daily highs routinely run between 34°C and 37°C. A 30°C threshold in peak summer is not an outlier target. It is roughly the floor. The momentum in the last 24 hours suggests traders are starting to do the math. The market question asks whether Chongqing’s highest temperature on July 1, 2026 reaches 30°C or above. YES trades at $0.41, NO at $0.59, with resolution set for July 1, 2026. Total volume stands at $55,843, with $37,658 of that moving in the last 24 hours alone, meaning most of this market’s conviction formed very recently. How the Chongqing Temperature Contract Works This is a multi-bucket market covering every temperature band from 20°C or below up through 30°C or higher. The contract in focus resolves YES if the recorded daily maximum temperature in Chongqing on July 1, 2026 hits exactly 30°C or any value above it. Resolution follows official meteorological observation data. All other buckets, from 29°C down to 20°C or below, represent the NO scenario for this specific contract. YES (30°C or higher): $0.41, implying 41% probabilityNO (29°C or below): $0.59, implying 59% probability A NO outcome requires Chongqing’s July 1 high to stay at 29°C or below. That would be a historically unusual reading for this city at this time of year. Chongqing’s July average daily maximum sits well above 30°C across decades of records, and the city regularly posts highs above 35°C in early July. A sub-30°C day in Chongqing on July 1 would require an anomalously strong cold front pushing into southwest China during peak summer, which the current atmospheric pattern does not support. Sponsored Partner Momentum and Market Signals The momentum composite here is notable. The 1-hour change of +11.5%, the 24-hour change of +10.5%, and a trend score of 64.21 all point in the same direction: YES is gaining fast. The driver is likely traders recognizing that the opening price of $0.24 significantly underweighted Chongqing’s well-documented July heat profile. This is a market catching up to the climate record, not responding to a new weather event. Total volume of $55,843 is modest, and $37,658 of that moved in the last 24 hours. Liquidity stands at $63,867. With volume below $1 million, this contract can reprice sharply on any single large bet or on the release of a specific July 1 forecast from China Meteorological Administration. Thin liquidity amplifies each new trade’s price impact. The 1-hour and 24-hour price changes both exceed 10%, reflecting a sharp reassessment of YES probability over a short window, likely driven by traders reviewing Chongqing’s baseline summer temperature data.Chongqing’s historical July 1 daily maximums show the city clearing 30°C in the overwhelming majority of years on record, making the current 41% YES price appear structurally behind the data.The 24-hour volume of $37,658 against a total volume of $55,843 confirms this market is very new or recently reactivated, with most positions taken in the last day.Liquidity at $63,867 exceeds total volume, which is unusual and suggests the order book has depth that traders have not yet fully tested.No whale trades are visible in this market, so price movement is driven by retail-scale positioning, not concentrated institutional conviction. Lines Analysis: Chongqing’s Climate vs. the Current Price Here’s what the measurements are telling us: Chongqing’s climate record is not subtle. The city averages daily highs of 34°C to 36°C through July, and July 1 specifically sits inside the peak heat window. The 30°C threshold the YES contract requires is approximately 4 to 6 degrees below typical. For YES to win, Chongqing does not need a heat wave. It just needs a normal July day. What makes NO real is a scenario where an early-season cold trough, monsoon moisture intrusion, or unusual cloud cover suppresses the daily maximum below 29°C. Southwest China’s summer weather can be disrupted by active Mei-yu frontal systems pushing further south and west than typical. If a persistent rain band sits over Chongqing on July 1, temperatures can underperform seasonal norms. That is the only realistic pathway to NO paying out, and it requires a specific meteorological configuration that current forecasts would need to confirm. China Meteorological Administration forecasts for Chongqing on July 1 will be the single most important data point before resolution. Any forecast showing highs above 30°C should push YES significantly higher.If a Mei-yu front stalls over the Sichuan Basin in late June, that would be a bearish signal for YES and the most credible path to NO.Regional synoptic charts showing high pressure dominance over southwest China in the June 30 to July 1 window strongly favor YES.Any official heat alert issued by Chongqing municipal authorities would confirm YES territory and likely spike the price further.Satellite-derived land surface temperature data for Chongqing in the days before July 1 would give a strong directional read ahead of the official measurement. The data doesn’t care about the politics. Total volume of $55,843 is thin enough that this market has not fully absorbed the historical baseline. The climate record favors YES by a wide margin. The open question is whether an unusual weather pattern disrupts what is otherwise a near-certain summer heat outcome for one of China’s hottest cities. LINES VERDICT YES IS HISTORICALLY UNDERPRICED Chongqing’s July 1 climate baseline puts the 30°C threshold well below typical daily highs, and the current 41% YES price has not caught up to decades of temperature records for this city in peak summer. What the market says: YES sits at 41%, implying traders assign a 59% probability to Chongqing staying below 30°C on July 1. Given the city’s climate profile, that is a significant mismatch with historical data. With resolution just hours away as of the end of June, this contract will move hard and fast on any updated forecast or actual reading. Key unknown: The single most important input is the China Meteorological Administration’s July 1 forecast for Chongqing, specifically whether a Mei-yu frontal system is positioned to suppress temperatures below 30°C. If the forecast shows sun and seasonal heat, YES should reprice sharply upward. Frequently Asked QuestionsWhat does 41% probability mean for this market?Traders currently assign a 41% chance that Chongqing's July 1 high reaches 30°C or above. That implies a 59% chance the daily maximum stays at 29°C or below, which conflicts with Chongqing's historical July temperature baseline.What does the NO contract pay out on?NO pays out if Chongqing's official daily maximum temperature on July 1, 2026 stays at 29°C or below. That would be an unusually cool reading for this city during peak summer, requiring an anomalous weather pattern over southwest China.What data or event would move this market's price most?The China Meteorological Administration's July 1 forecast for Chongqing is the key input. A forecast confirming highs above 30°C would push YES sharply higher. A Mei-yu frontal system stalling over Chongqing would be the main bearish signal.When does this market resolve?Resolution is set for July 1, 2026. The contract closes based on the official highest recorded temperature for Chongqing on that date, as determined by meteorological observation data.How reliable is this market given its volume and liquidity?Total volume is $55,843, well below $1 million. Thin volume means a single large trade can move the price significantly. Treat current pricing as a directional signal, not a precise probability, until volume grows closer to resolution.How is the Smart Money Index calculated?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.What is a convergence signal?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.Is Lines a market operator?No. Lines is an editorial and data product. We do not operate prediction markets, custody funds, or accept bets. All bet flows deep-link to Polymarket via our affiliate code. Probabilities shown are market-implied and not predictions or recommendations. What Could Shift These Probabilities? Seasonal Heat Prevails High pressure dominates southwest China on July 1, delivering a typical summer day in Chongqing with highs above 34°C. The China Meteorological Administration confirms a heat forecast. YES reprices from 41% toward 80% or higher as the climate baseline reasserts itself in the order book. Monsoon Front Stalls An active Mei-yu frontal system pushes west into the Sichuan Basin and parks over Chongqing on July 1. Heavy cloud cover and rainfall suppress the daily maximum to 27°C or 28°C. NO pays out, and the market's current 59% NO pricing looks prescient against an anomalous weather event. NO Traders Catch a Cold Front Traders who hold NO at $0.59 are betting on a historically unusual outcome. If a specific synoptic pattern, such as a trough pushing through southwest China, appears in the 24-hour forecast, NO gains credibility fast. Thin liquidity means a few confirming trades could push NO toward 70% or higher. Data Source Dispute at Resolution Chongqing spans a vast municipality with urban and suburban stations showing different readings. If the resolution source uses a cooler suburban station rather than the urban core, a borderline reading near 29°C to 30°C could produce a disputed or unexpected outcome regardless of what the city center actually recorded. Key macro factor: Southwest China's early July temperature pattern in 2026 is influenced by the strength and position of the Western Pacific subtropical high, which drives heat into Chongqing during peak summer and determines whether Mei-yu fronts penetrate the Sichuan Basin. Market Timeline Jun 29, 4:02 AM Market Created Jun 29, 4:03 AM Market Opened 12:00 PM Market Resolution Place paper bet No real money × Highest temperature in Chongqing on July 1? Outcome 30°C or higher · 100% 27°C · 0% 20°C or below · 0% 21°C · 0% 22°C · 0% 23°C · 0% 24°C · 0% 25°C · 0% 26°C · 0% 28°C · 0% 29°C · 0% YES $1.00 NO $0.00 Stake (USD) $100 $500 $1,000 $5,000 Pick a market to see how many shares you would hold. 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