United States Basketball League Inc. (USBL: Pink Current) | Tier Change Sat, Dec 21, 2019 12:00 - United States Basketball League Inc. ( USBL : Pink Current) - Tier Change - The symbol, USBL, no longer is classified as Pink No Information. As of Sat, Dec 21, 2019, USBL resides in the Pink Current tier. You may find a complete list of tier changes at otcmarkets.com .