Explaining Today's "Massive Stop Loss" Quad-Witching Market Waterfall: Why 2000 Must Be Defended At All Costs
One week ago, and again last night, we previewed today's main event: an immensely important quad-witching expiration, the year's last, one which as JPM's head quant calculated will be the "largest option expiry in many years. There are $1.1 trillion of S&P 500 options expiring on Friday morning. $670Bn of these are puts, of which $215Bn are struck relatively close below the market level, between 1900 and 2050."