Wall Street Births a New Breed of Volatile, One-Day-Only Funds

There’s plenty to debate about when it comes to these high-octane ETFs

Electric vehicles travel along a racetrack during the ABB FIA Formula E Championship in the Brooklyn borough of New York, U.S.

Photographer: Lucia Buricelli/Bloomberg

Welcome to ETF IQ, a weekly newsletter dedicated to the $12 trillion global ETF industry. I'm Bloomberg News reporter and anchor Katie Greifeld.

The US exchange-traded fund market welcomed its most volatile offering yet this week — the Defiance Daily Target 1.75X Long MSTR ETF (ticker MSTX) — igniting a flurry of hot takes.