Bitcoin Summer doldrums? Crypto volumes are down 55%, according to CoinShares Share Tweet Share Share Email Comments Bitcoin investment products, which include ETFs, ETPs and Grayscale’s GBTC, saw a third consecutive week of outflows. Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.