What is a good efficiency ratio for a bank?
A good efficiency ratio for a bank is generally below 60%, meaning the bank spends less than 60 cents to generate each dollar of revenue. Lower is better with this ratio, so banks consistently below 50% are considered exceptionally well-run.
The efficiency ratio measures how much a bank spends in non-interest expenses to generate each dollar of revenue (net interest income plus non-interest income). Unlike most financial ratios, lower is better here. A bank with a 55% efficiency ratio keeps 45 cents of every revenue dollar after covering its operating costs, while one at 70% keeps only 30 cents.
For most U.S. commercial banks, an efficiency ratio between 50% and 60% signals strong cost management. Banks that consistently operate below 50% are among the most efficient in the industry, while ratios above 70% often point to structural cost problems or a revenue shortfall. The U.S. banking industry has historically averaged efficiency ratios in the 55% to 65% range based on FDIC aggregate data, though this shifts with interest rate cycles and economic conditions.
Ranges Differ by Bank Type
Not all banks should be held to the same standard. A community bank focused on traditional lending might reasonably target 55% to 65%. These institutions tend to run higher ratios because fixed costs like compliance, technology systems, and specialized staff get spread across a smaller revenue base.
Large diversified banks with wealth management, capital markets, or investment banking operations often report ratios in the 60% to 68% range. These businesses generate substantial fee income but require heavy compensation spending, so a higher ratio does not necessarily indicate poor management. The additional revenue diversification can make the bank more resilient even if the efficiency ratio looks less impressive on paper.
Regional banks frequently fall between these two groups, with well-run regionals often hitting 52% to 60%. Their size gives them enough scale to control fixed costs while their simpler business models avoid the heavy compensation loads of large diversified institutions.
The Interest Rate Effect
One factor that often gets overlooked: interest rates move efficiency ratios across the entire industry simultaneously. When rates rise and the yield curve steepens, net interest income grows faster than expenses, pulling efficiency ratios down. When rates fall or the curve flattens, the opposite happens.
A bank showing 58% during a rising-rate environment might report 64% after rates decline, even with identical expense discipline. Comparing against peers operating in the same rate environment is the most reliable way to isolate management performance from macroeconomic effects.
Common Mistakes When Judging Efficiency
The biggest mistake is comparing banks with very different business models using a single efficiency ratio cutoff. A bank with major trading and advisory operations will always look less efficient than a plain-vanilla lender, but it may actually be more profitable on a return on equity basis because of the fee income those operations generate.
Another common error is looking at a single quarter or year in isolation. Banks investing in technology platforms, new branches, or acquisitions will show temporarily elevated efficiency ratios. The expense hits the ratio immediately, but the revenue from those investments takes time to materialize. Tracking the ratio over a three-to-five year period reveals whether management is improving operations or losing control of costs.
Watch for banks that improve their efficiency ratio by cutting expenses too aggressively. Slashing lending staff, reducing compliance resources, or deferring technology upgrades can temporarily produce a great-looking ratio while undermining the bank's long-term earning capacity and risk management.
Putting It All Together
When evaluating a bank's efficiency ratio, the most useful approach combines several angles:
- Compare against peers of similar size, geography, and business model rather than against an industry-wide benchmark
- Track the trend over multiple years, not just the most recent period
- Check whether improvements come from revenue growth (sustainable) or expense cuts (which may or may not be sustainable depending on what was cut)
- Look at the ratio alongside profitability metrics like return on average assets (ROAA) and return on equity (ROE) to see whether cost management is actually translating into bottom-line results
A bank with a 62% efficiency ratio that is steadily declining, paired with growing revenue and stable credit quality, may be a better prospect than one sitting at 52% that achieved it through aggressive cost-cutting while loan growth stagnates.
Related Metrics
- Efficiency Ratio
- Return on Equity (ROE)
- Return on Average Assets (ROAA)
- Net Interest Margin (NIM)
- Net Overhead Ratio
Related Valuation Methods
Related Questions
- What drives a bank's efficiency ratio higher or lower?
- Why do smaller banks often have higher efficiency ratios than large banks?
- How do I calculate the efficiency ratio for a bank?
- What are non-interest expenses in banking?
- How do I compare profitability across banks of different sizes?
Key terms: Efficiency Ratio, Non-Interest Expense, Net Interest Income, Non-Interest Income — see the Financial Glossary for full definitions.
Screen banks by efficiency ratio to find the most cost-effective operators