Why Passive Investing Did Not Make Markets Unreadable
Adams rejects the claim that passive investing necessarily prevents analysts from understanding markets. Its larger effects are changes in the products institutional managers offer and new measurement problems, especially when legacy fund-flow data fails to capture where capital is moving.
- Sector allocation remains relevant for ETF investors
- Institutional clients increasingly offer passive products
- Prices and earnings remain observable regardless of buyer identity
- Traditional fund-flow measurements may undercount passive investment
- Adams's team removed sector flows after finding no reliable performance relationship
“prices are prices, Earnings are earnings, regardless of who's buying stocks.”
“we dropped sector flows from our methodology years ago because we were not able to prove a relationship between flows into sector based funds and…”