Ugly, Tailing 30Y Auction Makes History With First 5%+ Yield Since The Great Quant Crash Of Aug 2007 Moments ago, the last refunding auction of the week, the sale of $25BN in 30Y paper, made history: it was the first 30Y auction to print with a high yield above 5%, and a coupon of 5%, since August 2007... which as veteran traders will recall was the month of the historic quant crash which marked the S&P highs at the time and eventually culminated in the global financial crisis.  Th...