CTO Interview: Today, Mark and Henry are joined by Karan Sood,CEO of Vest Financial. He discusses:

• An overview of your background in the financial technologyspace
• What is Vest?
• Who is the Vest target consumer?
• Can users choose between custom portfolio overlays andpre-designed protection packages?
• Are these algorithmically generated or designed by humansbehind the scenes?
• Does Vest charge commissions or is there an annual fee?
• How does this platform differ from TradeLegs?
• How did Vest become involved with the CBOE?
• Vest also launched some targeted “buffer indexes” with theCBOE, tell us about those.

Hot Topics in Tech: IEX asks for SEC exchange approval on meritsof its application - IEX on Monday urged regulators to give thegreen light to its application to become a fully-fledged exchangeoutside of a broader debate that its plan has sparked about stocktrading rules. CME calls time on New York open outcry options floor- The move follows the closure last year of its open outcry futurespits in Chicago and New York.

The Inbox: Listener questions and comments

• Question from JCrow - Refresh my memory. Why the heck can theynot update OI more often than once a day? Is it a technical problemor something else?