Bloomberg's Scarlet Fu puts Eric Balchunas, Matt Kaufman of Calamos Investments, and Brittany Christensen at Tidal to the test on "Bloomberg ETF IQ" in this week's edition of "IQ Test.
Source: [Bloomberg Markets](https://www.bloomberg.com/news/videos/2026-09-21/test-your-etf-knowledge-in-our-iq-test-video)