The head of the Digital Currency Group, Barry Silbert, reported that the shares of the Grayscale Bitcoin Trust (GBTC) were among the leaders in terms of trading volume at the OTC Markets Group.
— OTC Markets Group (@OTCMarkets) May 7, 2019
OTC Markets Group (formerly known as Pink Sheets) is an OTC stock trading system. It reflects broker/dealer quotes for over-the-counter (OTC) securities.
Grayscale Investments, part of the holding of the Digital Currency Group, recently launched the #DropGold campaign with a call to get rid of gold in favor of Bitcoin.