"With the exception of extreme market conditions (see Warning- Examine All Risk Exposures, and Extreme Conditions and Typical Outcomes), I try not to wave my arms around about near-term market risks, but I think it's important to cut straight to the chase here. The present market environment warrants unusual concern, in my view. Based on a wide variety of evidence and its typical market implications over an ensemble of dozens of subsets of historical data, the expected return/risk profile of the stock market has shifted to hard-negative. This places us in a tightly defensive position. This isn't really a forecast in the sense that shifts in the evidence even over a period of a few weeks could move us to adjust our investment stance, but here and now we observe conditions that have often produced abrupt crash-like plunges. This combination of evidence includes elevated valuations, overbullish sentiment, market internals best characterized as a "whipsaw trap" on the basis of typical follow-through, heightened credit strains, and clear evidence (on reliable forward-looking indicators) of oncoming recession, among other factors." (continue reading)
Related post: Hussman: Under Extreme Secular Undervaluation S&P Hits 400 (9/5/2011).