Optimi Health is trading at $4.80 (-5.33%), with the move appearing more consistent with biotech-sector weakness.

  • The biotech sector was down 2.11% during regular trading.
  • On September 16, 2026, the company announced a Health Canada-authorized Phase 3 MDMA-assisted therapy trial for PTSD.
  • The trial is expected to begin in 2027 and enroll up to 100 participants; no source directly attributes the decline to the announcement.