(IDMO)

Investors enjoying the pairing of domestic stocks and the momentum factor are likely familiar with some related ETFs. This includes the Invesco S&P 500 Momentum ETF (SPMO).

To some, $1 billion of ETF net inflows is not what it used to be. The U.S. ETF industry has gathered more than $700 billion of net inflows this year and is likely to again break the $1 trillion mark.

After a year of strong returns, my analysis now signals it's time to sell the Invesco S&P International Developed Momentum ETF. IDMO underperforms the S&P 500 on both absolute and risk-adjusted return...