NEW YORK, Dec. 11, 2025 (GLOBE NEWSWIRE) -- OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, today announced Grayscale Bittensor Trust (TAO) (OTCQX: GTAO), one of the first investment vehicles that enables investors to gain exposure to the token underlying the Bittensor platform ("TAO"), has qualified to trade on the OTCQX® Best Market. Grayscale Bittensor Trust (TAO) begins trading today on OTCQX under the symbol “GTAO.” U.S. investor ...