Security Bank: how it compares with its peers
Against 42 OK banks with half to twice its assets, Security Bank's strongest measure in Q2 2026 is efficiency ratio (43.04% vs. a 62.94% peer median). Its weakest relative measure is net interest margin (4.24% vs. 4.17%).
| Measure | Security Bank | Peer median | Rank |
|---|---|---|---|
| Return on assets Annualized net income over average assets. | 2.18% | 1.31% | Top third Ahead of 86% of peers |
| Net interest margin Annualized net interest income over earning assets. | 4.24% | 4.17% | Top third Ahead of 67% of peers |
| Efficiency ratio Noninterest expense per dollar of revenue. Lower is better. | 43.04% | 62.94% | Top third Ahead of 100% of peers |
| Assets per employee Total assets over full-time-equivalent staff. | $13.0M | $7.1M | Top third Ahead of 98% of peers |
| Loans to deposits Net loans and leases over total deposits. | 91.78% | 80.22% | Context |
What it means for lending operations
Its efficiency ratio of 43.04% is better than the 62.94% peer median. Banks that already run lean usually find their next gains in loan growth: faster digital applications and fewer borrowers abandoning a slow document chase.
Banks closest in size
- First National Bank of Oklahoma Oklahoma City, OK · $950M
- First Bank & Trust Co. Duncan, OK · $952M
- Valliance Bank Oklahoma City, OK · $923M
- F&M Bank Edmond, OK · $915M
- SpiritBank Tulsa, OK · $913M
- First Liberty Bank Oklahoma City, OK · $885M
Questions about Security Bank
How big is Security Bank?
Security Bank, established in 1902, is headquartered in Tulsa, OK. It reported $939M in total assets in its Q2 2026 FDIC call report and operates 1 office.
What is Security Bank's return on assets?
2.18% annualized in Q2 2026, against a 1.31% median for 42 OK banks with half to twice its assets, ahead of 86% of them.
What is Security Bank's efficiency ratio?
43.04% in Q2 2026: it spent about 43 cents in noninterest expense for each dollar of revenue. The peer median is 62.94%, and lower is better.
Is Security Bank growing its loans?
Net loans grew 0.3% over the year to Q2 2026, while deposits grew 3.5%.
Sources and method
Figures are from the FDIC’s public call report data for the quarter ending 06/30/2026, via FDIC BankFind. Return on assets and net interest margin are annualized year to date. Peers are OK banks with half to twice its assets in the same quarter, excluding this bank. The page refreshes daily, so new quarters appear as banks file. Compare another bank or see every Oklahoma bank ranked.