April 3, 2026 - April 5, 2026, the price of '52-53°F' fell from 23c to 14c, while '54-55°F' and '56-57°F' steadily rose, as incoming weather models ruled out cooler expectations and confirmed a slight warming trend. April 2, 2026 - April 3, 2026, the price of '47°F or below' crashed from 12.5c to 2.2c as updated forecasts significantly raised the expected temperature for April 6, showing the cold front passing earlier. April 2, 2026 - April 3, 2026, the price of '52-53°F' surged from 10c to 22c because weather models converged on a high-temperature prediction of 53-55°F. April 2, 2026 - April 3, 2026, the price of '60-61°F' plummeted from 16.5c to 4.5c as forecasts ruled out the possibility of unseasonable warmth.

Between April 3 and April 5, 2026, the price for 48-49°F surged from 12.5c to 32.5c, while 52-53°F dropped from 25.5c to 13.5c. This occurred because, as the resolution date approached, updated weather models revised the expected high temperature in Chicago down from around 52°F to the 48-50°F range. Between April 2 and April 3, 2026, the price for 52-53°F surged from 9.5c to 25c, and 50-51°F rose from 12.5c to 25c, while 54-55°F plunged from 19.5c to 6.5c. This was driven by earlier forecast updates that ruled out unseasonably warm weather and tightened the consensus to the 48-53°F range.

Predicting the highest temperature of a specific city on a specific day is a relatively niche but standard topic in prediction markets. While not as mainstream as politics or macroeconomics, it is not extremely bizarre.

Between 2026-04-04 and 2026-04-05, the price of the 74-75°F option rose from 16.5c to 25.5c, indicating an upward revision in forecast models for slightly higher temperatures. Between 2026-04-03 and 2026-04-04, the price of the 70-71°F option surged from 17.5c to 31.5c due to updated short-term weather forecasts narrowing the expected high temperature range. Between 2026-04-02 and 2026-04-03, the price of the 68-69°F option fluctuated from 17c to 23c, peaking at 24.5c, indicating an upward revision in forecast models for this temperature range. Between 2026-04-02 and 2026-04-03, the price of the 70-71°F option dropped from 23.5c to 17.5c, reflecting a shift in expectations away from this specific range.

April 4, 2026, 08:35 - April 5, 2026, 01:55: The price of 68-69°F surged from 19c to 34c, as weather models converged closer to the resolution date, pinpointing the expected high in this range. April 4, 2026, 08:35 - April 4, 2026, 15:05: The price of 70-71°F jumped from 22c to 37c before slightly retreating, reflecting intraday volatility in local temperature forecast models. April 2, 2026, 11:05-13:15: The price of 66-67°F plunged from 25.5c to 11c due to weather model forecast updates causing capital reallocation. April 2, 2026, 11:05-12:10: The price of 68-69°F plummeted from 21c to 7c before quickly rebounding, also driven by sharp market reactions to minor adjustments in short-term weather forecasting data.

Betting on the daily high temperature of a specific city is somewhat common in prediction markets, but it is not a core topic of interest for the general public, giving it a moderate novelty attribute.

April 3, 2026 - April 5, 2026, the price of 82-83°F rose from 32.5c to 40c as forecasts further converged on this temperature range, increasing its probability of winning. April 2, 2026 - April 3, 2026, the price of 84-85°F surged from 13c to 32.5c due to updated short-term weather forecasts indicating a slight upward revision in high temperature probabilities. April 2, 2026 - April 3, 2026, the price of 82-83°F rose from 27c to a peak of 38.5c as forecasts further confirmed the very high likelihood of this range. April 2, 2026 - April 3, 2026, the price of 78-79°F plummeted from 13c to 1.35c as forecasts below 80°F were largely invalidated as the date approached.