Betting on the daily high temperature of a specific city is a standard recurring theme in prediction markets, though it remains somewhat niche and novel to the general public to actively forecast Manila's temperature on a specific date.

Between May 7, 2026, and May 8, 2026, the price of the 36°C option surged significantly from 26c to 56c, while the 35°C option plummeted from 34c to 14c. This was driven by short-term weather forecast models updating as May 9 approached, adjusting the expected high temperature from 35°C up to 36°C, prompting traders to rapidly reprice based on the latest meteorological data.

Predicting the highest daily temperature in a specific city is a relatively niche market. Although weather forecasting is a standard category in prediction markets, the general public rarely thinks about or bets on such highly micro-level questions in daily life unless an extreme weather event is expected.

May 7, 2026 - May 8, 2026, the price of 26°C surged from 18c to 43.5c, as weather models converged to predict a high of around 26°C (79°F) at the Wuhan airport. May 7, 2026 - May 8, 2026, the price of 27°C spiked from 16c to a high of 35.5c before settling at 27.5c, reflecting market hesitation between 26°C and 27°C, which corrected as forecasts became clearer. May 7, 2026 - May 8, 2026, the price of 25°C fluctuated, rising to 29c before dropping to 17.5c, as earlier cooler forecasts were revised slightly upwards.

On May 8 to May 9, 2026, the price of '26°C' continued to surge from roughly 62.0c to 91.0c, while '27°C or higher' quickly retreated from 36.0c to 8.5c. This occurred because, as May 9 officially began (in the Hong Kong time zone), weather forecasts and morning temperatures further narrowed the margin of error for the maximum temperature, highly locking it within the 26°C range and reducing the probability of extreme heat. Between May 7 and May 8, 2026, the price of '26°C' surged from 33.5c to 52.5c, and '27°C or higher' surged from 12.5c to 37.5c, while '25°C' plummeted from 39.5c to 8.5c. This was caused by updated meteorological forecasts near the resolution date significantly raising the maximum temperature expectations, prompting market capital to quickly shift to higher temperature options.

May 8, 2026 - May 9, 2026, the price of 21°C steadily climbed from 17.5c to 35.75c, and '22°C or higher' briefly spiked to 26c before falling back to 14.5c, while 20°C plunged from a high of 44c to 32.5c. This was driven by short-term nowcasting data indicating stronger warm southwesterly winds under a high-pressure system, raising the expected high and shifting capital to 21°C and above. May 7, 2026 - May 8, 2026, the price of 18°C plummeted from 23c to around 1.1c, and 19°C dropped from 31.5c to 17c. The reason was the invalidation of earlier cooler forecasts as meteorological agencies uniformly issued sunny and warming forecasts, draining probability weight from lower temperature brackets.