At The start of 2012, a portfolio held by JPMorgan Chase’s Chief Investment Office kept breaching its risk limits. Then the bank adopted a new value-at-risk model, and the problem seemed to go away. Under the new model, the portfolio’s reported risk fell by roughly half. Months later, the trades https://andrehdyrk.blgwiki.com/2643269/when_the_risk_model_is_the_risk_what_institutions_know_about_algorithmic_trading_risk_management