BetaPro Natural Gas -2x Daily Bear ETF (HBNNF: Grey Market) | Company Name Change Fri, Sep 04, 2020 12:00 - BetaPro Natural Gas -2x Daily Bear ETF ( HBNNF : Grey Market) - Company Name Change - BetaPro Natural Gas -2x Daily Bear ETF has changed its name to BETAPRO NAT GAS INVERSE LEVERAGED DAILY BEAR ETF. The change goes into effect as of Fri, Sep 04, 2020. You may find a complete list of company name changes at otcmarkets.com .