As we pointed out on Friday, implied correlation closed at an all time high. While this phenomenon is likely the most concerning indicator of a wholesale market meltdown (not to mention that market neutral funds continue on their rapid progression to oblivion: for reference check HFRXEMN and HSKAX), more so than even the Hindenburg Omen (which however does make for a cool soundbite) as there are no endogenous safe-haven sectors within stocks (the safe haven is simply known as bonds, and stunningly high yield also applies even though HY, especially B2/B and lower, and stocks probably differ in some way, but we still haven't quite figured out what), the threat level will only be obvious in retrospect. The very curious topic has incentivized some in the sellside realm to present their own cautionary tales about the trade off and the cost-benefit analysis of a record high cross asset correlation. One among these is BNY's Nicholas Colas, who points out that due to the subliminal perception of record low stock dispersion (or liminal if such people read sites like Zero Hedge), investors have decided to diversify on their own not within stocks, but outside of stocks, the result being record inflows into bond funds (and outflows out of equities). His summary is very concerning: "Investors, even if they have not learned it formally, understand that diversification means lower correlations. As long as stocks, bonds, precious metals, and other assets all move in lock step, retail investors will most likely favor less risky assets." This statement captures the problem better than most: stocks, and their liquid, synthetic, nouveau-CDO cousins, the ETFs, continue to trade higher on ever greater vapors, as the underlying asset base is increasingly devoid of cash. And when the margin call-based liquidations set in, and they will, stocks will collapse more violently, and with far greater amplitude than they did on May 6 (incidentally a date which is an anniversary of the real Hindenburg disaster). Only in retrospect will the current record correlation levels be perceived for the loud alarm bell they truly are. But, courtesy of our idiot regulators, this will certainly not occur sooner, or before it is too late.