How can one create a Market Risk System capable of providing real-time calculations for an entire portfolio, conducting strategy backtesting, performing hypothetical scenario analyses, and effectively analyzing and manipulating data.

Whether it's for an investment bank, a hedge fund, or any other business, the necessity for such a solution becomes apparent at a certain stage.

Drawing upon my experience in developing such systems from the ground up at several prominent investment banks, I'll endeavor to present common ideas on an architecture.