Basel considers U-turn on fourth trading book QIS

Industry lobbying prompts regulator to revive plans for a further impact study

Fourth trading book QIS may be back on the cards

The Basel Committee on Banking Supervision could revive plans for a fourth impact study on trading book capital rules – despite telling market participants it was scrapping the study in March.

The fourth quantitative impact study (QIS) is back on the agenda as a direct result of the industry's lobbying efforts, according to sources familiar with the matter.

"There are industry groups doing the rounds with various regulators trying to plead for an additional QIS so it's still under discussion,"

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