NGX Energy International Corp. (GASXF: Pink Current) | Venue Change Thu, Nov 12, 2020 12:00 - NGX Energy International Corp. ( GASXF : OTC Link) - Venue Change - The symbol, GASXF, no longer trades on Grey Market. As of Thu, Nov 12, 2020, GASXF trades on OTC Link. You may find a complete list of venue changes at otcmarkets.com .