Southern 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 largest change between Q1 2026 and Q2 2026 was in Total interest expense, which rose 6.8% to $2.8M. Southern Bank ranks 34th of 44 South Carolina banks on net interest margin, in the lower half at 3.22% (Q2 2026). Southern Bank reported 3.22% on net interest margin for Q2 2026, 0.72 points below the 3.94% median for banks in the $100M-1B asset tier.
Asset yields
| Line item | Q2 2026 |
|---|---|
| Yield on earning assets | 6.13% |
| Yield on loans | 7.04% |
| Yield on securities | 4.30% |
Funding costs
| Line item | Q2 2026 |
|---|---|
| Cost of funds | 3.00% |
| Cost of interest-bearing deposits | 3.31% |
| Cost of interest-bearing liabilities | 3.35% |
| Cost of borrowings | 3.95% |
Spread and margin
| Line item | Q2 2026 |
|---|---|
| Net interest margin | 3.22% |
| Yield to cost spread | 2.78% |
Interest income and expense
| Line item | Q2 2026 |
|---|---|
| Interest income on loans | $4.6M |
| Total interest expense | $2.8M |
| Interest expense on deposits | $2.6M |
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 | 5.68% | 2.74% | 2.98% | 6.10% | 4.69% |
| Q4 2023 | 6.42% | 3.09% | 3.35% | 6.93% | 5.26% |
| Q1 2024 | 6.01% | 3.26% | 2.77% | 6.47% | 5.10% |
| Q2 2024 | 6.22% | 3.34% | 2.91% | 6.72% | 5.32% |
| Q3 2024 | 6.49% | 3.41% | 3.16% | 7.05% | 5.44% |
| Q4 2024 | 6.33% | 3.19% | 3.20% | 7.09% | 5.02% |
| Q1 2025 | 6.18% | 3.00% | 3.25% | 6.97% | 4.80% |
| Q2 2025 | 6.07% | 3.08% | 3.05% | 6.79% | 4.84% |
| Q3 2025 | 6.52% | 3.09% | 3.50% | 7.37% | 4.97% |
| Q4 2025 | 6.34% | 3.01% | 3.43% | 7.17% | 4.70% |
| Q1 2026 | 6.00% | 2.89% | 3.18% | 6.98% | 4.24% |
| Q2 2026 | 6.13% | 3.00% | 3.22% | 7.04% | 4.30% |
Southern 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 Southern 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 Southern Bank profile, peer group comparison, or how this data updates.
Regulator records: FDIC BankFind (cert 16288) · FFIEC NIC profile (RSSD 307334)