"It's A Vicious Cycle": Goldman Abandons Equity Options Market-Making As Vol Collapses

October is historically the most volatile month of the year, but in 2017 - the average volatility of US equity markets dropped to an all-time record low...
... And you know something's wrong when, just like in early 2007 when the crash in vol killed the swaptions industry - just before all hell broke loose - Goldman Sachs is pulling back from U.S. options market-making on exchanges.