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Risk magazine

Bear and Lehman among most active CDSs in September

Amid disappointing third-quarter results, credit default swaps (CDSs) referenced to Bear Stearns and Lehman Brothers ranked among the most active in CDS trading in the US in September, according to a monthly report by New York-based inter-dealer broker…

UBS takes $3.4 billion hit

UBS will report losses of Sfr4 billion ($3.4 billion) in its fixed income, rates and currencies division for the third quarter ending September 30. The write-downs were due to legacy positions from Dillon Read Capital Management, an internal hedge fund…

Gamma process dynamic modelling of credit

The existing generation of credit derivatives models is unsatisfactory because they generally contain arbitrage, cannot describe the dynamics of the process, and are hard to extend beyond vanilla products. Martin Baxter has created a new tractable family…

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Economic capital ideas

This month sees the start of Charles Smithson's fourth series of Class Notes, which will run in alternate issues of Risk through the remainder of this year and into 2008. Class Notes is an educational series, designed to pull together the threads of…

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Quants' tail of woe

Liquidations of large quantitative equity portfolios prompted widespread misfiring of hitherto robust quant models. Historically unusual returns volatility and multi-billion-dollar mark-to-market losses ensued. Leading hedge fund managers talk to Jayne…

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