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 roughly halved the portfolio’s reported risk. Months later, the trades that became known as the https://reidhcwqk.plpwiki.com/7980383/when_the_risk_model_is_the_risk_what_institutions_know_about_algorithmic_trading_risk_management