RiverNorth/DoubleLine Strategic Opportunity Fund, Inc.'s OPP-P-C is an exchange-traded preferred stock in the Closed-End Fund sector. At a recent price of $10.21, OPP-P-C yields 5.88% on its $10 liquidation preference and 6% coupon. It trades at a premium of 2.1% to par. The issue is cumulative, callable on or after 2027-12-01. Distributions are paid quarterly. Figures are derived from market data and SEC filings; confirm details in the prospectus before investing.