Organic Agricultural Company Limited (OGAA: Pink Current) | Tier Change Sat, Aug 15, 2020 12:00 - Organic Agricultural Company Limited ( OGAA : Pink Current) - Tier Change - The symbol, OGAA, no longer is classified as Pink No Information. As of Sat, Aug 15, 2020, OGAA resides in the Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .