Expected losses related to financial assets are measured under the current expected credit losses (CECL) accounting standard. Since it measures the amount of capital to hold as a bank, it is also seen as a liquidity measure. Therefore, CECL can be an instrumental tool in determining if financial institutions could eventually face a liquidity problem. https://www.ceclexpress.com/insights/the-need-for-scenarios-in-cecl The Need for Scenarios in CECL