Home / Prediction Markets / Science / Chengdu Peak Heat June 19: Market Calls It Chengdu Peak Heat June 19: Market Calls It View on Polymarket → Share SR Sofia Renard Climate & Science Analyst Market Resolved Embed NEW Embed this market Full Compact Copy Published June 19, 2026 5 min read Resolution Verdict YES Market Resolved Market has ended. Final implied probability: 100%. Resolved Volume $61.9K $46.6K in 24h Liquidity $78.5K Moderate depth Time Left Ended Resolves Jun 19 62K Vol. Ended 1H 6H 1D 1W 1M ALL Select lines to display 34°C $8K Vol. 100% Yes 100¢ No 0¢ 29°C or below $5K Vol. 0% Yes 0¢ No 100¢ 30°C $4K Vol. 0% Yes 0¢ No 100¢ 31°C $6K Vol. 0% Yes 0¢ No 100¢ 32°C $10K Vol. 0% Yes 0¢ No 100¢ 33°C $12K Vol. 0% Yes 0¢ No 100¢ The market has already ruled on Chengdu’s June 19 peak temperature. The 34°C outcome contract sits at 99.9% implied probability, with the YES price touching 1.00 and the NO price at zero. That kind of pricing isn’t speculation. That’s a market telling you the question is answered. The market question asks: what is the highest temperature in Chengdu on June 19, 2026? The YES contract on 34°C trades at $1.00. The NO contract trades at $0.00. The market resolves today, June 19, 2026, at 12:00 UTC. Total volume across the contract sits at $59,774, with $50,465 of that arriving in the last 24 hours alone. How the 34°C Contract Works The contract resolves YES if Chengdu’s official highest temperature on June 19 reaches exactly 34°C. The resolution source is market resolution, tied to verified meteorological observation for the day. The contract closes at noon UTC on June 19. Everything hinges on the day’s peak reading. YES ($1.00, ~99.9% probability): Chengdu’s highest temperature on June 19 is confirmed at 34°C.NO ($0.00, ~0.1% probability): Chengdu’s peak temperature falls at any other threshold, including 33°C, 35°C, or outside the 34°C band. The NO scenario requires Chengdu’s temperature to miss the 34°C band entirely. Weather instrumentation errors, a sudden afternoon convective storm driving temperatures below or above the threshold, or a data reporting discrepancy are the only realistic paths. At 0.1% implied probability, the market treats those scenarios as noise, not risk. Sponsored Partner Momentum and Market Signals The momentum picture here is as clear as it gets. The 1-hour price change hit +49.4%, the 24-hour change reached +63.4%, and the trend score sits at 69.23. Those three signals move together as one composite. The driver is obvious: real-time temperature data from Chengdu on June 19 has confirmed conditions consistent with a 34°C peak, and traders priced that in fast. Total volume of $59,774 is modest by major market standards, but $50,465 arriving in the last 24 hours signals a burst of conviction tied to the day’s actual weather unfolding. Liquidity sits at $93,634. That liquidity figure exceeds total volume, which tells you the order book is well-cushioned. Even so, volume under $1 million means a single large new order could still move the price on any surprise. The 1-hour price surge of 49.4% reflects traders reacting to real-time Chengdu temperature data on June 19.The 24-hour price change of 63.4% captures the full arc from early uncertainty to near-certainty as the day’s conditions became readable.Liquidity of $93,634 exceeds total volume, indicating an orderly book with no sign of thin-market manipulation.Trader sentiment is recorded at 99.9% YES and 0.1% NO, the strongest possible directional lean this market can show.The resolution window closes at 12:00 UTC today, leaving almost no time for the data picture to change. Lines Analysis: What the Data Is Saying Here’s what the measurements are telling us. Chengdu sits in the Sichuan Basin, a geography well known for heat accumulation during June. The city regularly records peak temperatures between 32°C and 37°C in mid-to-late June. A 34°C peak on June 19 is well within the historical envelope for this location at this time of year. The market isn’t pricing something unusual. It’s pricing something ordinary that has already been observed. The data doesn’t care about the politics of whether this is a hot year or a normal year. Chengdu’s basin geography traps heat. June is peak pre-monsoon warm season for the region. The 34°C reading sits in the middle of the plausible range, not at an extreme. That makes it the most crowded outcome in a multi-outcome market like this one, where traders bet on a specific temperature band rather than a direction. Any official meteorological correction or data revision from Chengdu’s weather authority before market close would reprice both YES and NO immediately.A late-day convective storm arriving before the day’s peak is locked in could push the reading below 34°C, activating the 33°C or lower contracts.An unexpected afternoon heat surge above 34°C could activate the 35°C or higher contracts instead.The resolution clock closes at 12:00 UTC, meaning afternoon weather events in Chengdu may occur after resolution regardless. Total volume of $59,774 reflects a niche daily weather contract, not a global macro market. The data favors YES. The market is pricing uncertainty at 0.1%, which is effectively the probability of a reporting error, not a genuine meteorological swing. The market is pricing certainty, not science in motion. LINES VERDICT CONFIRMED: MARKET HAS RESOLVED The momentum surge, 99.9% implied probability, and same-day resolution window together point to one conclusion: Chengdu’s June 19 peak temperature has already been observed at or near 34°C, and the market has priced that in fully. What the market says: At 99.9% implied probability, the market treats this outcome as settled. Volatility risk is essentially zero given the resolution window closes today at 12:00 UTC. Key unknown: The only remaining risk is an official data correction or a reporting discrepancy from Chengdu’s meteorological authority before the 12:00 UTC close. That is the single event that would reprice this contract. Frequently Asked QuestionsWhat does 99.9% probability mean for this Chengdu temperature market?It means traders have priced the 34°C outcome as nearly certain. The market implies only a 0.1% chance the peak temperature lands at any other threshold on June 19.What does the NO contract pay out on?NO pays if Chengdu's official peak temperature on June 19 is anything other than 34°C, including 33°C, 35°C, or any other listed band.What event or data would move this contract's price before resolution?An official correction from Chengdu's meteorological authority, a data reporting error, or a late weather event shifting the day's peak reading would reprice the contract.When does this market resolve?The market resolves on June 19, 2026 at 12:00 UTC. That is today's close, leaving minimal time for any further price movement.Is $59,774 in total volume enough to trust this market's pricing?Liquidity at $93,634 exceeds total volume, suggesting an orderly book. But below $1 million total, a single large trade could still shift the price if new data emerged.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 trades. All trade flows deep-link to Polymarket via our affiliate code. Probabilities shown are market-implied and not predictions or recommendations. Market Resolved Outcome: YES Final Price 100% Settled Jun 19, 2026 Duration 2 days Resolution Analysis Clean Confirmation Chengdu's official meteorological station confirms a 34°C peak on June 19 with no data revisions. The YES contract pays out at full value. This is the scenario the market has already priced at 99.9%, reflecting real-time observation data arriving before the noon UTC close. Data Revision Surprise Chengdu's weather authority issues a correction placing the day's peak at 33°C or 35°C. This would collapse the 34°C YES contract to zero and activate a competing band. At 0.1% implied probability, the market treats this as a reporting artifact risk, not a meteorological one. Adjacent Band Activates If official data lands the peak at 33°C or 35°C instead of 34°C, those adjacent contracts gain value while this one falls. Chengdu's June temperature variability within a two-degree window is real, and the 34°C band is the market's best single guess, not a guaranteed outcome. Convective Storm Disrupts Peak An unexpected afternoon thunderstorm in Chengdu, common in the Sichuan Basin during summer, could suppress the afternoon temperature spike. If the storm arrives before the day's maximum temperature is locked and before the 12:00 UTC resolution window, the 34°C call could miss. Probability remains minimal given resolution timing. Key macro factor: Chengdu's Sichuan Basin location creates a natural heat-trapping effect during June, making mid-30s Celsius peaks statistically common and supporting the 34°C outcome as the modal forecast. Market Timeline Jun 17, 2026, 4:02 AM Market Created Jun 17, 2026, 8:27 AM Event Start Jun 17, 2026, 8:29 AM Market Opened Jun 19, 2026 Market Resolution Related Prediction Markets Moving Now Highest temperature in London on July 22? 25°C 100% Yes No 26°C 0% Yes No Read Article Moving Now Highest temperature in Hong Kong on July 22? 33°C 100% Yes No 26°C or below 0% Yes No Read Article Moving Now Highest temperature in Madrid on July 22? 39°C 100% Yes No 34°C or below 0% Yes No Read Article Moving Now 2026 July 1st, 2nd, 3rd hottest on record? 1st hottest 93% Yes No 3rd hottest 8% Yes No Read Article Moving Now How many SpaceX launches in 2026? 140-159 56% Yes No 160-179 33% Yes No Read Article Moving Now How many Tornadoes in the US in July? <100 69% Yes No 100–129 19% Yes No Read Article Moving Now What caused the Blue Origin New Glenn Explosion? Engine Failure 46% Yes No Propellant Leak 36% Yes No Read Article Moving Now Confirmed US Screwworm case in Livestock beyond Texas by... 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