This series is constructed as ratio of Allowance for Loan and Lease Losses call item RCFD3123 to Quarterly Average of Total Loans call item RCFD3360.
The asset class is determined by using Total Assets call item RCFD2170 less than or equal to $5B. Geographic location is determined by Abbreviated State Name call item RSSD9200 and County Code call item RSSD9150, which is mapped to the proper Core Based Statistical Area (CBSA) defined by the Office of Management and Budget (OMB).
For more information and definition about the specific call item codes, please see http://www.federalreserve.gov/apps/mdrm/data-dictionary.
This series is calculated by the Federal Reserve Bank of St. Louis using raw data that are collected by the FFIEC. Raw data can be found at https://cdr.ffiec.gov/public/.
Federal Financial Institutions Examination Council (US), Loan Loss Reserve to Total Loans for Commercial Banks with Assets under $5B in Buffalo-Cheektowaga-Niagara Falls, NY (MSA) [LLSRBUF], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/LLSRBUF, October 22, 2018.