by admin | Jun 11, 2025 | money-weighting, Returns, risk, Standard Deviation, time-weighting
Continuing our discussion of Michael Lewis’ Moneyball, I think there’s a HUGE parallel between baseball statistics and what we do in investment performance measurement. Both deal with measuring performance: the performance of baseball players / the...
by admin | May 9, 2025 | money-weighting, rates of return, time-weighting
Today’s animation discusses the fairly common situation, where a portfolio loses money but has a positive return. This video discusses how to explain positive returns when losses occur.
by admin | Mar 18, 2025 | arithmetic attribution, attribution
I was sent an attribution problem by a client to research for them. The details appear here: I’ve highlighted the issues they were concerned with. First, in yellow we find that the technology sector’s allocation effect is positive (0.222%), even though (a)...
by admin | Feb 10, 2025 | Investment Performance Guy, News
When I was an undergrad there were only two subjects I considering majoring in: history and mathematics; I chose the latter, but have continued to enjoy the former. In today’s Wall Street Journal, Jason Zweig begins with a reference to the possible NYSE Euronext...
by admin | Jan 30, 2025 | Investment Performance Guy, News
By now you’re aware of Washington’s funding of Solyndra, the now bankrupt energy company that received something north of a half billion dollars in government loans. In Wednesday’s WSJ, Deborah Solomon had an article (“Solyndra Said to Have...
