RT Journal Article
SR Electronic
T1 The Truth About Diversification by the Numbers
JF The Journal of Investing
FD Institutional Investor Journals
SP 93
OP 95
DO 10.3905/joi.2000.319444
VO 9
IS 4
A1 Ronald J. Surz
A1 Mitchell Price
YR 2000
UL https://pm-research.com/content/9/4/93.abstract
AB Most of us have heard the statement “90% of available diversification is achieved with a 15-stock portfolio.” Very few, if any, of us behave as though we believe this statement, and there's good reason why—it's not true. This article lays out the truth about how many times it takes to obtain adequate diversification in a domestic equity portfolio. It's much more than 15.