History shows that oversold markets usually fall even more

Hussman wrote a couple weeks days ago about this counter-intuitive yet extremely important fact: oversold markets can get even more oversold, and usually actually do so! This conclusion is based on historical data and is empirical:
Historically, we can identify 19 instances in the past 50 years where the weekly data featured broadly negative internals, coupled with at least 3-to-1 negative breadth, and a leadership reversal. On average, the S&P 500 lost another 7% within the next 12 weeks (based on weekly closing data), widening to an average loss of nearly 20% within the next 12 months - often substantially more when the Aunt Minnie occurred with rich valuations and elevated bullish sentiment.

The most recent instance was November 9, 2007, which was followed by a market loss of more than 50%, but the instances also include September 22, 2000, prior to a nearly two-year bear market decline; July 14, 1998 prior to the "Asian-crisis" mini-crash; July 27, 1990, at the beginning of the pre-Gulf War plunge; October 9, 1987, just prior to that market crash; July 2, 1981 at the beginning of the 1981-82 bear market and again in May 21, 1982, following a strong rally during that bear market, leading into a steep decline to the final lows; November 9, 1973 (just after a swift rally during the 1973-74 bear market, and leading into the main portion of that loss); and November 21, 1969, at the beginning of the 1969-70 bear market.

Given my aversion to market "forecasts," I hesitate to interpret this record as a hard prediction of what will occur in this particular instance. This is particularly true because in a handful of instances (2/9/68, 9/12/75, 10/20/78 and 4/30/04), the outcomes were fairly benign. Still, the average outcome has been awful.
On a side note, he wrote about Geithner's trip to Europe, and the least we can say is that he's been spot on (read Mish's Europe Politely tells Geitner where to go):
Treasury Secretary Eddie Haskell Timothy Geithner has scheduled a trip to Europe this week to urge European leaders "to pay better attention to potential market reactions to policy moves, and to accelerate the European rescue program." This promises to be a fiasco. What could European leaders possibly find more arrogant than to be lectured on bailout policy - not simply by the U.S., but specifically by a one-trick pony bureaucrat whose chief trick is the ability to smoothly talk the language of prudence while simultaneously prostituting the fiscal stability of an entire nation for the benefit of bondholders who made bad loans

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