RT Journal Article SR Electronic T1 Cmo Yield Attribution and Option Spread JF The Journal of Portfolio Management FD Institutional Investor Journals SP 57 OP 68 DO 10.3905/jpm.1993.409449 VO 19 IS 3 A1 Thomas S.Y. Ho YR 1993 UL https://pm-research.com/content/19/3/57.abstract AB