Power Efficiency Corp. (PEFFD: OTC Pink Limited) | Symbol Change Tue, Feb 14, 2017 12:00 - Power Efficiency Corp. ( PEFFD : OTC Pink Limited) - Symbol Change - The symbol, PEFFD, is no longer a valid symbol for Power Efficiency Corp.. As of Tue, Feb 14, 2017, the new trading symbol is PEFF. You may find a complete list of symbol changes at otcmarkets.com .
