This week, the SEC gave us a belated Christmas present. But what does it actually portend?
The present in question is an 88-page "Research Note" from the SEC's Division of Trading and Markets titled "Equity Market Volatility on August 24, 2015." It's an innocuous-enough title, but for us market-structure wonks, it's kind of a big deal.
The conclusions of the piece are purely factual, and include dozens of pages of juicy charts and tables (be still my nerdy heart!). There's little or no conjecture, and there's absolutely no policy recommendations.
It outlines the facts of that fateful trading day, discussing what went wrong, and which classes of securities were affected. It's a gold mine for folks who want to dig in and understand what happens when things break, and, for any investor, it's worth reading at least the first six pages.
Here are the most interesting findings—not just because they're objectively interesting—but because they give you some insight into where the