MIND MEDICINE MINDMED INC. (MMEDF: Pink Current) | Tier Change Fri, Mar 27, 2020 12:00 - MIND MEDICINE MINDMED INC. ( MMEDF : Pink Current) - Tier Change - The symbol, MMEDF, no longer is classified as Grey Market. As of Fri, Mar 27, 2020, MMEDF resides in the Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .