"In buying longer-term investments that paid more interest, SVB had fallen out of compliance with a key risk metric. An internal model showed that higher interest rates could have a devastating impact on the bank’s future earnings, according to two former employees familiar with the modeling who spoke on the condition of anonymity to describe confidential deliberations.
Instead of heeding that warning — and over the concerns of some staffers — SVB executives simply changed the model’s assumptions, according to the former employees and securities filings. The tweaks, which have not been previously reported, initially predicted that rising interest rates would have minimal impact."
On models:
"In buying longer-term investments that paid more interest, SVB had fallen out of compliance with a key risk metric. An internal model showed that higher interest rates could have a devastating impact on the bank’s future earnings, according to two former employees familiar with the modeling who spoke on the condition of anonymity to describe confidential deliberations.
Instead of heeding that warning — and over the concerns of some staffers — SVB executives simply changed the model’s assumptions, according to the former employees and securities filings. The tweaks, which have not been previously reported, initially predicted that rising interest rates would have minimal impact."
https://www.washingtonpost.com/business/2023/04/02/svb-collapse-risk-model/