The Pacer US Cash Cows 100 ETF (NYSEARCA:COWZ) and the Fundstrat Granny Shots US Large Cap ETF (NYSEARCA:GRNY) sit on opposite ends of how quality gets defined in a large-cap portfolio. COWZ ranks the Russell 1000 by free cash flow yield and takes the top 100 names, a rules-based screen with no human override. GRNY ... GRNY Beat COWZ by 11 Points This Year. Oil Prices and Interest Rates Will Decide Who Wins Next