Michael Saylor said dashboards for STRC, STRD, STRK and STRF have been upgraded with new Bitcoin-linked metrics designed to help users evaluate yield, credit quality, downside protection and risk-adjusted returns. The added indicators include a BTC rating, BTC floor price, BTC floor annualized recurring revenue, tax-equivalent effective yield and a one-year Sharpe ratio (risk-adjusted return measure), according to his post on X.