Stock Correction Saw $50 Billion In Mechanical Selling

The impact of systematic flows -- and particularly systematic selling -- on equities is a source of perpetual fascination for market participants. If you're steeped in the subject matter, this is all just par for the course. At any given time, depending on the setup, systematic flows can perpetuate melt-ups, exacerbate downdrafts or insulate range-bound price action. Typically we think of vol control, CTAs and risk parity when we discuss systematic flows, but it's important to include option h