... among other things, the validity of the assumptions, the severity of tests, the robustness of the estimates, the performance of any underlying models, and the stability and reasonableness of the ... viability.2 The Federal Reserve, the Office of the Comptroller of the Currency, and the Federal Deposit Insurance Corporation (collectively, the “agencies”) are issuing this guidance to emphasize the ... “break the bank” situations, allowing a banking organization to set aside the issue of estimating the likelihood of severe events and to focus more on what kinds of events could threaten the viability...