It's Suddenly Clear The Market "Is Still Quite Fragile"; Top Goldman Trader Outlines Best Way To Protect Against Left-Tail Risk Event

In what was seemingly a bulletproof market, chinks in the armor appeared in the form of trade disputes last Friday (Oct 10th), causing what top Goldman Sachs trader, Brian Gerrett, describes as one of the largest "unexpected vol events" since The Great Financial Crisis (as defined by 1 day shock / 1m realized vol ratio)...