At The start of 2012, a portfolio held by JPMorgan Chase’s Chief Investment Office kept breaching its risk limits. Then a new value-at-risk model was introduced, and the problem appeared to disappear. The new model roughly halved the portfolio’s reported risk. Months later, the trades that became known as the https://remingtonxsmga.national-wiki.com/2701887/the_number_that_said_it_was_safe_institutional_lessons_in_algorithmic_trading_risk_management