Present market conditions join the second most extreme valuations in U.S. history (on measures most reliably correlated with actual subsequent 10-year S&P 500 total returns) with increasing divergences and dispersion in market internals. Despite current extremes, valuations say very little about near term market direction. Valuations are enormously informative about likely market returns over horizons of 7-15 years. In contrast, market internals convey a great deal of information about the prevailing risk preferences of investors, and that's what amplifies our concerns here. Uniformly favorable internals across a wide variety of sectors and security types typically convey a signal that investors have a robust willingness to seek and accept risk, and it’s that feature that can allow overvalued markets to become persistently more overvalued. But remove that feature, and overvalued markets have often become vulnerable to vertical air pockets, panics, and crashes.
I’ll say this again – valuations alone are not the concern. It’s the additional feature of deteriorating market internals that introduces a critical element of risk here. That feature helped us to correctly warn of the 2000-2002 and 2007-2009 collapses, and shift to a constructive outlook in-between. The recent half-cycle since 2009 has been more challenging as the inadvertent result of my 2009 insistence on stress-testing our methods of classifying market return/risk profiles against Depression-era data. The resulting ensemble methods outperformed every approach we had ever tested against post-war data, Depression-era data, and holdout validation data, but they also encouraged an immediate defensive stance when overvalued, overbought, overbullish syndromes emerged. Throughout history, those syndromes had regularly been accompanied or closely followed by breakdowns in market internals. The one truly “different” aspect of the half-cycle since 2009 is that quantitative easing disrupted that regularity. Nearly a year ago, weimposed overlays on our methods that require hard-defensive investment stances to be accompanieddirectly by deterioration in market internals or other risk-sensitive measures (e.g. credit spreads). Continue Reading »