This article was originally published on ETFTrends.com.
By Toroso Asset Management In December of 2017, we introduced the ETF Nerd with our focus on the concentration of the ETF industry. The primary formula used to evaluate concentration is the Herfindahl-Hirschman Index (HHI), which was originally designed to help with anti-trust legislation by quantifying market share within an industry. The TETF Index team is […]
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