April 14, 2026 - April 14, 2026, the price of '33°C or higher' surged from 38.5c to 99.95c, and '32°C' plunged from 44.5c to 0.05c, because the actual temperature in Singapore reached or exceeded 33°C during the day, effectively deciding the outcome.
April 12, 2026 - April 13, 2026, the price of '33°C or higher' surged from 11c to 33.5c, as short-term weather forecasts approaching the date indicated a higher likelihood of extreme heat.
April 12, 2026 - April 13, 2026, the price of '31°C' plunged from 37.5c to 17.5c, due to the confirmation of higher temperature expectations drastically reducing the probability of lower temperature ranges.
April 12, 2026 - April 12, 2026, the price of '30°C' plummeted from 27c to 8c, similarly because incoming meteorological data ruled out the possibility of relatively cooler weather.