Why CDS spreads can decouple from fundamentals

A Bundesbank working paper provides evidence that Credit Default Swap (CDS) spreads change significantly in accordance with (i) the direction of order flows, (ii) the size of transactions, and (iii) the type of counterparty. Apparent causes are asymmetric information, inventory risk and market power. The implication is powerful. Since transactions do not require commensurate changes in fundamentals and since CDS spreads are themselves used for risk management, institutional order flows can easily establish escalatory dynamics.

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