Decoy Therapeutics is trading at $1.68, down 5.08%, with no clear catalyst identified for the October 5, 2026 intraday decline. - Latest widely surfaced updates were the September 22 warrant inducement financing and September 30 presentation announcement; the financing may be relevant background, but evidence does not establish it as the cause. - The S&P 500 is up 0.54% and Nasdaq up 0.79%, while shares have fallen in each listed session since September 24.