Security National Bank of South Dakota: 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.
Compared with Q1 2026, Net interest margin rose 0.22 percentage points in Q2 2026 to 3.15%, the biggest move on this page. Security National Bank of South Dakota ranks 48th of 56 South Dakota banks on net interest margin, in the lower half at 3.15% (Q2 2026). Security National Bank of South Dakota reported 3.15% on net interest margin for Q2 2026, 0.80 points below the 3.95% median for banks in the $100M-1B asset tier.
Asset yields
| Line item | Q2 2026 |
|---|---|
| Yield on earning assets | 4.77% |
| Yield on loans | 5.59% |
| Yield on securities | 2.54% |
Funding costs
| Line item | Q2 2026 |
|---|---|
| Cost of funds | 1.82% |
| Cost of interest-bearing deposits | 2.08% |
| Cost of interest-bearing liabilities | 2.23% |
| Cost of borrowings | 3.32% |
Spread and margin
| Line item | Q2 2026 |
|---|---|
| Net interest margin | 3.15% |
| Yield to cost spread | 2.54% |
Interest income and expense
| Line item | Q2 2026 |
|---|---|
| Interest income on loans | $2.3M |
| Total interest expense | $988K |
| Interest expense on deposits | $814K |
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 | 3.46% | 1.33% | 2.28% | 4.22% | 1.83% |
| Q4 2023 | 3.62% | 1.63% | 2.15% | 4.52% | 1.87% |
| Q1 2024 | 3.68% | 1.58% | 2.25% | 4.43% | 1.89% |
| Q2 2024 | 3.84% | 1.77% | 2.24% | 4.48% | 1.88% |
| Q3 2024 | 4.06% | 1.95% | 2.31% | 4.64% | 1.87% |
| Q4 2024 | 4.10% | 2.03% | 2.24% | 4.80% | 1.87% |
| Q1 2025 | 4.12% | 1.93% | 2.36% | 4.88% | 1.88% |
| Q2 2025 | 4.34% | 1.94% | 2.60% | 5.14% | 1.93% |
| Q3 2025 | 4.54% | 2.01% | 2.75% | 5.42% | 2.02% |
| Q4 2025 | 4.61% | 2.01% | 2.81% | 5.42% | 2.23% |
| Q1 2026 | 4.62% | 1.90% | 2.93% | 5.45% | 2.41% |
| Q2 2026 | 4.77% | 1.82% | 3.15% | 5.59% | 2.54% |
Security National Bank of South Dakota 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 National Bank of South Dakota, 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 National Bank of South Dakota profile, peer group comparison, or how this data updates.
Regulator records: FDIC BankFind (cert 34394) · FFIEC NIC profile (RSSD 2529176)