Equity markets

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…

Spike in equity volatility causes pain

A spike in equity volatility last month has caused anxiety among equity derivatives dealers, many of which were short volatility, and raised fears that a prolonged increase could generate hefty mark-to-market losses in equity derivatives trading books.

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