ACIU Unusual Options Activity - AC Immune SA

AI summary

On March 12, 2026, there was notable options activity in AC Immune SA (ACIU), with a single print recorded. The transaction involved a call option with a strike price of $5.00, set to expire on March 20, 2026. The premium for this call option was $29,003, indicating a significant investment in this particular contract. The volume to open interest ratio for this option was reported at 5.9, suggesting a relatively active trading interest compared to existing open positions. No put options were traded during this session, highlighting a clear focus on call activity. This marked the only active day for ACIU options in the past 30 days, indicating a potential shift in market sentiment or interest in the stock.

AI-generated summary