Security Federal Bank: Yields and Funding Costs
Data as of · Call Report Schedules RI and RC-K How we update
What the bank earns on its assets, what it pays for its funding, and the spread between them. Net interest margin is the output of the two: it is the engine of earnings for almost every commercial bank.
The biggest quarter-over-quarter change on this page was a small one: Total interest expense edged down 1.9% between Q1 2026 and Q2 2026, to $6.3M. Within South Carolina, Security Federal Bank is 33rd of 44 on net interest margin, 3.28% as of Q2 2026, below the middle of the field. Security Federal Bank reported 3.28% on net interest margin for Q2 2026, 0.43 points below the 3.71% median for banks in the $1B-10B asset tier.
Asset yields
| Line item | Q2 2026 |
|---|---|
| Yield on earning assets | 4.98% |
| Yield on loans | 6.33% |
| Yield on securities | 3.81% |
Funding costs
| Line item | Q2 2026 |
|---|---|
| Cost of funds | 1.81% |
| Cost of interest-bearing deposits | 2.27% |
| Cost of interest-bearing liabilities | 2.25% |
| Cost of borrowings | 1.49% |
Spread and margin
| Line item | Q2 2026 |
|---|---|
| Net interest margin | 3.28% |
| Yield to cost spread | 2.73% |
Interest income and expense
| Line item | Q2 2026 |
|---|---|
| Interest income on loans | $10.8M |
| Total interest expense | $6.3M |
| Interest expense on deposits | $6.2M |
Yields and Funding Costs trend
Last 12 quarters as filed. Every value plotted here also appears in the tables above.
Yields and Funding Costs by quarter
| Quarter | Yield on earning assets | Cost of funds | Net interest margin | Loans | Securities |
|---|---|---|---|---|---|
| Q3 2023 | 4.77% | 2.10% | 2.73% | 5.62% | 4.03% |
| Q4 2023 | 4.97% | 2.23% | 2.87% | 5.78% | 4.14% |
| Q1 2024 | 5.03% | 2.38% | 2.72% | 5.94% | 4.11% |
| Q2 2024 | 5.15% | 2.40% | 2.83% | 6.12% | 4.20% |
| Q3 2024 | 5.28% | 2.53% | 2.85% | 6.26% | 4.24% |
| Q4 2024 | 5.17% | 2.43% | 2.88% | 6.33% | 4.04% |
| Q1 2025 | 5.15% | 2.29% | 2.98% | 6.35% | 3.93% |
| Q2 2025 | 5.12% | 2.29% | 2.96% | 6.36% | 3.91% |
| Q3 2025 | 5.21% | 2.23% | 3.10% | 6.46% | 4.10% |
| Q4 2025 | 5.09% | 1.98% | 3.22% | 6.34% | 4.02% |
| Q1 2026 | 4.95% | 1.83% | 3.22% | 6.27% | 3.82% |
| Q2 2026 | 4.98% | 1.81% | 3.28% | 6.33% | 3.81% |
Security Federal Bank yields and funding costs, all the way back
Yields and Funding Costs back to 2001 · peer percentiles on every line item · Excel export
Unlock Security Federal Bank, freeSource: Call Report Schedules RI and RC-K, as filed with the FFIEC and standardized by BankRegReports. Dollar amounts are as reported, point-in-time; income statement items are year-to-date through the report date. See the full Security Federal Bank profile, peer group comparison, or how this data updates.
Regulator records: FDIC BankFind (cert 31100) · FFIEC NIC profile (RSSD 763677)