Early In 2012, a portfolio in JPMorgan Chase’s Chief Investment Office was running over its risk limits. Then the bank adopted a new value-at-risk model, and the problem seemed to go away. The new model cut the portfolio’s reported risk roughly in half. Months afterward, the trades that came to https://manuellhaun.wikicommunications.com/8310937/the_number_that_said_it_was_safe_institutional_lessons_in_algorithmic_trading_risk_management