May 1, 2026 - May 3, 2026, the Yes price for the 1530 option plummeted from 59.5c to 31.5c, and the 1540 option fell from 48.5c (April 30) to 29.5c. The reason is that as the resolution date approaches without explosive math performance gains from recent models, market confidence in high-score breakthroughs rapidly collapsed, leading to panic selling.
April 15, 2026 - April 18, 2026, the prices for options 1530, 1540, and 1550 experienced significant drops. The Yes price for 1530 fell from 66.5c to 49c, 1540 dropped from 52.5c to 38c, and 1550 decreased from 37c to 22c. The reason is that as time progresses, the market expects the pace of top AI models breaking math score records on Chatbot Arena to slow down, making extremely high scores harder to achieve in the short term.
Prior to April 12, 2026, no significant price movements exceeding 10 cents were observed over the past 3 days. The market was quiet, indicating that expectations for this event were in a stable wait-and-see state.