Former fund manager here. Wow, this is really interesting. So CS actually knew what risk it was taking, the hypothesis that Archegos had kept its positions private from several lenders is false. They knew what was going on and couldn't ask for more margin, and when they did without a response they couldn't get themselves to just close out the customer's positions. The problem is actually one of internal incentives, f…
>>> ...further, the various Risk Committees only had access to data that were four to six weeks old.
As a consequence, Risk was unaware of, and unable to fully appreciate in real time, the magnitude and pace of the exponential growth in Archegos’s positions... Ref: https://www.credit-suisse.com/about-us/en/reports-research/a...
I'd like to also point out that unlike the 2008 crisis with margin calls which were highly subjective based on difficult projections of housing prices and defaults and correlations (think AIG-FP), here, these were pretty simple equity swaps. Valuing these assets is not difficult