S&P Miscalculated Risk in Postponed Mortgage Bonds, Fitch Says

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Standard & Poor’s underestimated the risk of mortgage-backed securities it had planned to rate before the deal was postponed, according to competitor Fitch Ratings.

S&P’s preliminary rankings, which were pulled yesterday after the issuer said it would delay the sale, relied on optimistic home values, Fitch said today in a reportBloomberg Terminal. S&P said in a statementBloomberg Terminal yesterday it had asked for more information from issuer Bayview Asset Management LLC after releasing the planned grades as the deal started to be marketed.