Credit Swap Disclosure Obscures True Financial Risk

The most comprehensive report on unregulated credit-default swaps didn't disclose bets in the section of the more than $47 trillion market that helped destroy American International Group Inc., once the world's biggest insurer.

A report by the Depository Trust and Clearing Corp. doesn't include privately negotiated credit-default swaps that insurers such as AIG, MBIA Inc. and Ambac Financial Group Inc. sold to guarantee securities known as collateralized debt obligations. It includes only a ``small fraction'' of contracts linked to mortgage securities, according to Andrea Cicione at BNP Paribas SA in London.

New York-based DTCC's data, released on its Web site Nov. 4, showed a total $33.6 trillion of transactions on governments, companies and asset-backed securities worldwide, based on gross numbers. While designed to ease concerns about the amount of risk banks and investors amassed on borrowers from companies to homeowners, the report may have missed as much as 40 percent of the trades outstanding in the market, Cicione said.

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Because the DTCC registry captures only commonly traded contracts that can be confirmed over electronic systems, not every swap trade is in the company's report, spokeswoman Judy Inosanto said. Among those not included are credit-default swaps on CDOs, she said.