Best Month Of The Year Meets Near-Record Shorts: UBS Warns Of A Year-End Squeeze

Halloween has come and gone, and with it the scariest part of the calendar is officially over.

At least that is what the seasonals say. According to UBS's latest Seasonality Insights (available to pro subs), published Friday by the bank's Justinus Steinhorst, November is the single best month of the year for the S&P 500, with an average gain of 1.9% going back to 1950. And this year the calendar is running straight into a hedge fund community that has spent all of October piling on shorts:

"It Doesn't Get Better Than November"