Kameda Seika Co., Ltd. (KMDAF: Grey Market) | Symbol Change Thu, Sep 03, 2020 12:00 - Kameda Seika Co., Ltd. ( KMDAF : Grey Market) - Symbol Change - The symbol, KMDAF, is no longer a valid symbol for Kameda Seika Co., Ltd.. As of Thu, Sep 03, 2020, the new trading symbol is KMADF. You may find a complete list of symbol changes at otcmarkets.com .