ETF Battles: Which self--driving EV tech ETF rises above the rest?

In this episode of ETF Battles you'll see another audience requested head-to-head contest - this time between the self-driving electric vehicle EV tech ETFs. It's the iShares Self-Driving EV and Tech ETF (IDRV), Global X Autonomous & Electric Vehicles ETF (DRIV), KraneShares Electric Vehicles & Future Mobility Index ETF (KARS) and SPDR Kensho Smart Mobility ETF (HAIL) in a quadruple-header contest. Which ETF wins the battle? Ron DeLegge @ETFguide referees today's bout wi...