Marijuana Company of America, Inc. (MCOA: Pink Current) | Tier Change Fri, Oct 16, 2020 12:00 - Marijuana Company of America, Inc. ( MCOA : Pink Current) - Tier Change - The symbol, MCOA, no longer is classified as OTCQB. As of Fri, Oct 16, 2020, MCOA resides in the Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .