ATD New Holdings Inc. (AHLDF: Grey Market) | Symbol Change Thu, Oct 01, 2020 12:00 - ATD New Holdings Inc. ( AHLDF : Grey Market) - Symbol Change - The symbol, AHLDF, is no longer a valid symbol for ATD New Holdings Inc.. As of Thu, Oct 01, 2020, the new trading symbol is AHLD. You may find a complete list of symbol changes at otcmarkets.com .