 NEW YORK, June 22, 2021 PRNewswire -- OTC Markets Group Inc. OTCQX: OTCM, operator of financial markets for 11,000 U.S. and global securities, today announced Greenrose Acquisition Corp. OTCQX: GNRS, a special purpose acquisition company targeting companies in the cannabis industry, has qualified to trade on the OTCQX Best Market. Greenrose Acquisition Corp. previously traded on NASDAQ. 