Edesa Biotech is trading 9.1% up at $3.83 in after-hours trading on October 9; no company-specific catalyst was confirmed. - The regular-session close was $3.51. - The company’s news page shows no October 9 announcement; its latest listed releases are dated August 19, 2026. - The S&P 500 rose 0.65% and the Dow rose 0.94%, which may have supported sentiment but does not establish the reason for the move. After-hours volume information was not confirmed.