Oncolytics Biotech is trading 5.28% lower at $0.63; no clear company-specific catalyst for the October 1 decline has been identified. - The latest company announcements found were September 29 research updates, which did not explain the October 1 move. - Supplied major-index moves were modest and do not establish a broad-market cause. - Volume information was unavailable in the provided price context and retrieved company news.