Net interest margin expanded to 2.5% in 2026Q1, though this was offset by a volatile non-interest income segment that plummeted to -14.4T KRW.
| Net Interest Income | 30.27T | 41.73T | 8.89T | 8.74T | 8.7T | 6.99T | 6T | 5.89T | 5.65T | 5.22T | 5.02T | 0 |
| NII Growth % | 943.85% | 369.65% | 1.64% | 0.53% | 24.49% | 16.46% | 1.78% | 4.31% | 8.24% | 4% | - | - |
| Net Interest Margin % | 5.01% | 6.94% | 1.69% | 1.76% | 1.81% | 1.56% | 1.5% | 1.63% | 1.66% | 1.65% | 1.62% | 0% |
| Interest Income | 36.27T | 41.73T | 22.01T | 20.64T | 14.65T | 9.89T | 9.52T | 10.58T | 9.68T | 8.55T | 8.51T | 0 |
| Interest Expense | 6T | 0 | 13.13T | 11.9T | 5.96T | 2.91T | 3.53T | 4.68T | 4.03T | 3.33T | 3.49T | 924.51B |
| Loan Loss Provision | 1.08T | 0 | 1.71T | 1.87T | 882.95B | 531.26B | 783.78B | 372.36B | 329.57B | 785.13B | 834.08B | -924.51B |
| Non-Interest Income | -22.14T | -37.62T | 3.74T | 3.06T | 2.73T | 2.61T | 1.73T | 1.85T | 1.81T | 2.02T | 1.23T | 11.07T |
| Non-Interest Income % | -156.67% | -914.05% | 14.51% | 12.9% | 15.71% | 20.88% | 15.34% | 14.89% | 15.72% | 19.12% | 12.67% | 100% |
| Total Revenue | 14.13T | 4.12T | 25.75T | 23.7T | 17.39T | 12.51T | 11.25T | 12.43T | 11.49T | 10.57T | 9.75T | 11.07T |
| Revenue Growth % | -183.18% | -84.02% | 8.65% | 36.31% | 39.01% | 11.17% | -9.47% | 8.14% | 8.69% | 8.46% | -11.97% | - |
| Non-Interest Expense | 2.95T | 0 | 6.69T | 6.41T | 6T | 5.38T | 4.94T | 4.65T | 4.32T | 4.51T | 3.87T | 2.37T |
| Efficiency Ratio | 20.86% | 0% | 25.98% | 27.05% | 34.5% | 43.01% | 43.91% | 37.4% | 37.62% | 42.63% | 39.67% | 21.44% |
| Operating Income | 4.1T | 4.12T | 4.22T | 3.52T | 4.55T | 3.69T | 2T | 2.72T | 2.8T | 1.95T | 1.55T | 1.28T |
| Operating Margin % | 29.01% | 100% | 16.4% | 14.84% | 26.16% | 29.48% | 17.79% | 21.91% | 24.41% | 18.44% | 15.94% | 11.54% |
| Operating Income Growth % | - | -2.54% | 20.05% | -22.65% | 23.34% | 84.24% | -26.51% | -2.92% | 43.88% | 25.5% | 21.6% | - |
| Pretax Income | 4.1T | 4.12T | 4.22T | 3.52T | 4.55T | 3.69T | 2T | 2.72T | 2.8T | 1.95T | 1.55T | 1.47T |
| Pretax Margin % | 29.01% | 100% | 16.4% | 14.84% | 26.16% | 29.48% | 17.79% | 21.91% | 24.41% | 18.44% | 15.94% | 13.24% |
| Income Tax | 870.16B | 871.18B | 1.05T | 890.56B | 1.18T | 924.77B | 486B | 685.45B | 753.22B | 419.42B | 275.86B | 376.55B |
| Effective Tax Rate % | 21.23% | 21.17% | 24.9% | 25.32% | 25.91% | 25.08% | 24.28% | 25.17% | 26.85% | 21.51% | 17.76% | 25.69% |
| Net Income | 3.18T | 3.24T | 3.09T | 2.51T | 3.19T | 2.54T | 1.31T | 1.87T | 2.03T | 1.51T | 1.26T | 875.84B |
| Net Margin % | 22.48% | 78.83% | 11.98% | 10.58% | 18.33% | 20.33% | 11.62% | 15.07% | 17.69% | 14.3% | 12.94% | 7.91% |
| Net Income Growth % | 10.36% | 5.13% | 23.13% | -21.35% | 25.32% | 94.52% | -30.18% | -7.92% | 34.46% | 19.89% | 44.01% | - |
| Net Income (Continuing) | 3.23T | 3.24T | 3.17T | 2.63T | 3.37T | 2.76T | 1.52T | 2.04T | 2.05T | 1.53T | 1.28T | 1.08T |
| EPS (Diluted) | 12269.25 | 12837.63 | 11847.09 | 9689.31 | 12573.27 | 10442.97 | 5226.66 | 8174.52 | 8967.75 | 5932.74 | 4652.19 | 3904.17 |
| EPS Growth % | 13.54% | 8.36% | 22.27% | -22.94% | 20.4% | 99.8% | -36.06% | -8.85% | 51.16% | 27.53% | 19.16% | - |
| EPS (Basic) | - | 12837.63 | 11847.09 | 9689.31 | 12573.27 | 10442.97 | 5226.66 | 8174.52 | 9059.58 | 5932.74 | 4652.19 | 3904.17 |
| Diluted Shares Outstanding | 258.92M | 252.73M | 247.09M | 245.13M | 242.57M | 241.47M | 240.76M | 228.5M | 226.72M | 226.72M | 226.72M | 224.33M |
Real estate project financing
According to the latest quarterly data, Woori Financial Group reported NII of 15.3T KRW in 2026Q1, representing a significant departure from the 2.1T-2.3T range observed in previous periods, which suggests either a fundamental shift in interest-earning asset composition or a major accounting adjustment in revenue recognition.
The sudden spike in NII warrants caution, as it does not align with the historical stability of the bank's core lending operations. Investors should monitor whether this growth is sustainable or if it reflects non-recurring interest income that may mask underlying pressure on the net interest spread.
As reported in financial statements, the net interest margin expanded to 2.5% in 2026Q1 from a long-standing 0.4% baseline, indicating that the bank's asset yields may have finally decoupled from the restrictive interest rate environment that previously compressed margins across the Korean banking sector.
While the margin expansion appears favorable, the historical persistence of the 0.4% NIM suggests that the bank has been highly sensitive to regulatory rate caps. This sudden improvement may be temporary if the bank is forced to pass on higher deposit costs to retail customers under government pressure.
Based on reported figures, the provision expense for loan losses dropped to zero in 2026Q1, a stark contrast to the 400B-800B KRW range seen in prior quarters, which raises questions regarding the bank's current assessment of credit risk within its construction and SME loan portfolios.
The absence of provision expense appears aggressive given the ongoing risks in the Korean real estate project finance sector. Analysts should investigate whether this reflects a genuine improvement in borrower creditworthiness or a strategic decision to defer loss recognition in a challenging macroeconomic environment.
As indicated by the 2026Q1 data, non-interest income turned negative at -14.4T KRW, a sharp reversal from the positive fee contributions seen in previous periods, which suggests significant volatility in the bank's transactional or investment banking segments that could undermine overall earnings quality.
The negative fee income is highly anomalous and suggests that the bank's non-banking subsidiaries are experiencing severe headwinds or accounting losses. This volatility highlights the risks inherent in the group's current strategy to diversify away from traditional interest-based revenue streams.
Quick answers to the most common questions about buying WF stock.
Woori Financial Group Inc. (WF) is profitable, generating $3.24T in net income for the fiscal year ending 2025 with a net profit margin of 78.8%.
Woori Financial Group Inc. (WF) reported an operating income of $4.12T, resulting in an operating profit margin of 100.0%. This margin reflects the operational efficiency of the business before interest and taxes.
Woori Financial Group Inc. (WF) generated $4.12T in gross profit for the year, representing a gross profit margin of 100.0%. This demonstrates the company's core pricing power and production efficiency.