In Early 2012, a portfolio inside JPMorgan Chase’s Chief Investment Office was breaching 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. Within months, the trades later known as the “London Whale” https://plazo-sullivan-roche-capi73951.fireblogz.com/75169882/who-measures-the-measurer-what-institutions-know-about-algorithmic-trading-risk-management