Strategy's Bitcoin-backed products like STRD, STRE, STRF, STRK, and STRC saw weekly trading volume soar 51% to $19.8 million last week, up from $3.6 million over 10 weeks—a more than fivefold jump. These preferred shares and structured products use the company's 649,000 BTC treasury as collateral, offering yields linked to Bitcoin without direct ownership. The growth highlights Strategy's shift into a Bitcoin credit factory, raising billions this year to buy more BTC and drawing institutional interest amid market volatility. Source X