Westamerica 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.
In Q2 2026, Net interest margin edged up by 0.05 percentage points, from 3.71% to 3.76%, the largest move among the key lines here. Westamerica Bank ranks 56th of 114 California banks on net interest margin, in the upper half at 3.76% (Q2 2026). The median for banks in the $1B-10B asset tier is 3.71% on net interest margin; Westamerica Bank reported 3.76% for Q2 2026, nearly level with it.
Asset yields
| Line item | Q2 2026 |
|---|---|
| Yield on earning assets | 4.00% |
| Yield on loans | 5.69% |
| Yield on securities | 3.76% |
Funding costs
| Line item | Q2 2026 |
|---|---|
| Cost of funds | 0.26% |
| Cost of interest-bearing deposits | 0.47% |
| Cost of interest-bearing liabilities | 0.45% |
| Cost of borrowings | 0.28% |
Spread and margin
| Line item | Q2 2026 |
|---|---|
| Net interest margin | 3.76% |
| Yield to cost spread | 3.55% |
Interest income and expense
| Line item | Q2 2026 |
|---|---|
| Interest income on loans | $9.7M |
| Total interest expense | $3.4M |
| Interest expense on deposits | $3.1M |
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 | 4.54% | 0.08% | 4.47% | 5.32% | 4.35% |
| Q4 2023 | 4.56% | 0.12% | 4.45% | 5.36% | 4.38% |
| Q1 2024 | 4.50% | 0.21% | 4.31% | 5.35% | 4.33% |
| Q2 2024 | 4.50% | 0.38% | 4.16% | 5.46% | 4.27% |
| Q3 2024 | 4.48% | 0.41% | 4.11% | 5.55% | 4.19% |
| Q4 2024 | 4.27% | 0.26% | 4.03% | 5.48% | 3.99% |
| Q1 2025 | 4.11% | 0.26% | 3.87% | 5.44% | 3.82% |
| Q2 2025 | 4.07% | 0.25% | 3.84% | 5.56% | 3.74% |
| Q3 2025 | 4.07% | 0.28% | 3.81% | 5.55% | 3.74% |
| Q4 2025 | 4.00% | 0.27% | 3.76% | 5.65% | 3.72% |
| Q1 2026 | 3.95% | 0.26% | 3.71% | 5.61% | 3.71% |
| Q2 2026 | 4.00% | 0.26% | 3.76% | 5.69% | 3.76% |
Westamerica 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 Westamerica 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 Westamerica Bank profile, peer group comparison, or how this data updates.
Regulator records: FDIC BankFind (cert 3430) · FFIEC NIC profile (RSSD 697763)