Investors looking for protection against market downside are turning toward buffer exchange-traded funds, also known as defined-outcome ETFs. Buffer ETFs have exploded in popularity in recent years, although they are still a small slice over the overall industry. How buffer ETFs work Managers use a set of equity options when building a fund. Recently, Calamos announced a new product line of 12 ETFs that offers 100% downside protection. The first in the line, Calamos S & P 500 Structured Alt Protection ETF (CPSM) , began trading May 1.

---

Persons: Lan Anh Tran, Morningstar, Tran, Todd Sohn, Strategas, Sohn, Calamos, Russell, Matt Kaufman, Kaufman, Morningstar's Tran, HELO 1Y, It's Organizations: Morningstar, Strategas Securities, Capital Management, Equity, PGIM, Allianz, BlackRock, Treasury, Trust, JPMorgan Hedged Equity, JPMorgan Locations: BlackRock