OTC Markets Group Welcomes GR Silver Mining Ltd. to OTCQX

NEW YORK, Feb. 24, 2026 (GLOBE NEWSWIRE) -- OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, today announced GR Silver Mining Ltd. (TSX-V: GRSL; OTCQX: GRSLF), a Canadian-based, Mexico-focused mineral exploration company, has qualified to trade on the OTCQX® Best Market. GR Silver Mining Ltd. upgraded to OTCQX from the OTCQB® Venture Market. GR Silver Mining Ltd. begins trading today on OTCQX under the symbol “GRSLF.” U.S. investors ca ...