(Video length 00:13:24)

Are you ready to rumble? In this episode of ETF Battles, you'll watch a small-cap vs. mid-cap sibling rivalry between: the iShares Russell 2000 (IWM) and SPDR S&P MidCap 400 ETF (MDY). Smaller stocks have been outperforming larger stocks thus far in 2021. Which is the better play and who wins the battle?

Ron DeLegge referees the tussle with guests David Kreinces at ETF Portfolio Management and Cinthia Murphy at ETF.com judging the ETF battle.

Each fund is judged against the other in key categories like cost, exposure strategy, performance, and a mystery category. Find out who wins the battle between small-cap and mid-cap ETFs.