RT Journal Article SR Electronic T1 Improve Your Morningstar Rating Using Options JF The Journal of Investing FD Institutional Investor Journals SP 73 OP 87 DO 10.3905/joi.2001.319489 VO 10 IS 4 A1 Paul Crowley YR 2001 UL https://pm-research.com/content/10/4/73.abstract AB The author demonstrates that equity mutual fund managers can be confident of improving their Morningstar ratings by overwriting call options on portions of their portfolios. A look at the Morningstar rating system in detail helps us understand why this kind of enhancement is possible.