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. Under the new model, the portfolio’s reported risk fell by roughly half. Months later, the trades that became https://algorithmictradingsoftwar85173.blognody.com/55495621/the-number-that-said-it-was-safe-institutional-lessons-in-algorithmic-trading-risk-management