Matt Levine, Columnist

Big Data and Expected Returns

Also Wells Fargo, Valeant, Zcash, various frauds, and Money Stuff's Simon logo.

November 1, 2016 at 1:22 PM UTC

Matt Levine is a Bloomberg Opinion columnist. A former investment banker at Goldman Sachs, he was a mergers and acquisitions lawyer at Wachtell, Lipton, Rosen & Katz; a clerk for the U.S. Court of Appeals for the 3rd Circuit; and an editor of Dealbreaker.

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Data.

Here's a keynote speech that Commissioner Kara Stein of the Securities and Exchange Commission gave to the "Big Data in Finance Conference" last week, titled "A Vision for Data at the SEC." It's about how the SEC does and should use data to catch crimes and prevent crashes and so forth. But it seems to me that Stein raises and then passes over the most interesting questions: