There are many many patents with the term "value-at-risk" in the tile or body. From google patents -
The oldest one
System and method for determination of incremental value at risk for
securities … EP US JP AU CA US5819237A Mark B. Garman Financial
Engineering Associates, Inc. filed 1996-02-13
The most recent
US10277525B2 Method and apparatus for disaggregated overlays via application
services profiles Abstract Example embodiments of the present
invention relate to a method, a system, and a computer program product
for creating a dynamically composed compute node. The method includes
receiving an application characteristic and generating an
infrastructure allocation request according to the application
characteristic. The infrastructure allocation request then may be
forwarded to a management system associated with a disaggregated
infrastructure.
What google patents sees as the most relevant
System and method for determining value at risk of a financial
portfolio US US6085175A Leon G. Gugel Axiom Software
Laboratories, Inc. Priority 1998-07-02 • Filed 1998-07-02 • Granted
2000-07-04 • Published 2000-07-04
Since we do not know the text book method you are talking about we can't compare your plans to the many issued patents in the U.S.