Smart Card Marketing Systems, Inc. (SMKG: Pink Current) | Tier Change Fri, May 08, 2020 12:00 - Smart Card Marketing Systems, Inc. ( SMKG : Pink Current) - Tier Change - The symbol, SMKG, no longer is classified as Pink Limited. As of Fri, May 08, 2020, SMKG resides in the Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .