Old Second BancorpOSBC.OValuation Analysis
Based on the blended 10-year P/E and P/B percentiles, the stock currently sits in the “Fair Value Range” zone.
As of Oct 16, 2026, Old Second Bancorp (OSBC.O) trades at a P/E of 13.70x, P/B of 1.41x, P/S of 3.32x, and a dividend yield of 0.84%.
Longitudinal percentile comparison: P/E sits at the 64th percentile over the trailing 10Y window (vs. 88th percentile over 3Y); P/B sits at the 62nd percentile over the trailing 10Y window (vs. 96th percentile over 3Y); P/S sits at the 68th percentile over the trailing 10Y window (vs. 92nd percentile over 3Y).
Cross-sectional valuation: its P/E ranks at the 45th percentile within its industry and the 34th percentile across the broader market.
Shareholder return highlight: Total Shareholder Yield is 1.43%, ranking at the 51st percentile over the trailing 20Y window.
The P/E and P/B long-window percentiles differ by only 1.9 points, pointing to a consistent valuation read across both metrics. Relative to the broader market, its P/E shows a deeper discount than it does against industry peers. Breaking down the total shareholder yield: 0.84% comes from cash dividends, with an implied ~0.59% from buybacks — a fairly balanced mix of both channels. Old Second Bancorp operates in the Finance, Insurance, And Real Estate sector. Data refreshes weekly and is for reference only, not investment advice.
Also listed as: NASDAQ: OSBC · OSBC
Want the full picture on whether Old Second Bancorp (OSBC.O) is under- or over-valued? See the full 3Y / 5Y / 10Y / 20Y P/E, P/B, P/S, Dividend Yield & Total Shareholder Yield percentile matrix and the interactive ECharts trend chart on this page.
Historical Percentiles by Metric
| Metric | Current | Market Percentile | Industry Percentile | 3Y Pctl | 5Y Pctl | 10Y Pctl | 20Y Pctl |
|---|---|---|---|---|---|---|---|
| P/E (TTM) | 13.70 | ||||||
| P/B (MRQ) | 1.41 | ||||||
| P/S (TTM) | 3.32 | ||||||
| Dividend Yield | 0.84% | ||||||
| Buyback + Div Yield | 1.43% |