Would you give up some stock market upside for some downside protection? That's the value proposition for a fast growing new category of annuity-like ETFs that do just that. They are the creation of ETF veteran Bruce Bond, who is known to many as the founder of PowerShares. 

On this week's Trillions we speak with Bruce as well as Carolina Wilson from Bloomberg News about what sparked the idea for the products, how they work and what the drawbacks are. 

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