Old Second Bancorp, Inc. (OSBC) Stock Price History
Historical prices from 2011 to 2026
Loading 10-year price history...
OSBC Historical Performance
Short-Term Returns
OSBC Stock Price Trajectory (2011–2026)
As of May 8, 2026, Old Second Bancorp, Inc. (OSBC) trades at $21.08, representing a +28.9% return over the past year. The stock has delivered a +57.8% total return over five years (+8.4% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $35.31 on February 16, 2005. From this peak, OSBC has corrected -40.3%, currently trading 10% above its 200-day moving average, indicating continued institutional support.
When compared to Financial Services sector peers MBWM (+20.1% 1Y), MOFG (+74.2% 1Y), and CFFI (+21.4% 1Y), OSBC has underperformed the peer group average. Compare OSBC vs MBWM →
OSBC Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 20.94 | 21.47 | 20.63 | 21.08 | 391K | -0.43% |
| 2026-05-06 | 21.16 | 21.43 | 21.03 | 21.17 | 398K | +1.00% |
| 2026-05-05 | 20.50 | 21.14 | 20.49 | 20.96 | 113K | +2.24% |
| 2026-05-04 | 20.67 | 20.92 | 19.93 | 20.50 | 276K | -1.39% |
| 2026-05-01 | 20.54 | 20.82 | 20.35 | 20.79 | 295K | +0.87% |
| 2026-04-30 | 20.34 | 20.83 | 20.34 | 20.61 | 271K | +0.49% |
| 2026-04-29 | 20.75 | 20.88 | 20.42 | 20.51 | 350K | -1.91% |
| 2026-04-28 | 20.71 | 20.97 | 20.51 | 20.91 | 493K | +2.65% |
| 2026-04-27 | 20.17 | 20.41 | 20.17 | 20.37 | 396K | +1.85% |
| 2026-04-24 | 19.80 | 20.05 | 19.68 | 20.00 | 477K | +0.76% |
| 2026-04-23 | 19.85 | 20.91 | 19.64 | 19.85 | 1.06M | -6.41% |
| 2026-04-22 | 21.43 | 21.50 | 21.16 | 21.21 | 314K | -0.75% |
| 2026-04-21 | 21.74 | 21.89 | 21.32 | 21.37 | 254K | -1.93% |
| 2026-04-20 | 21.84 | 22.09 | 21.78 | 21.79 | 240K | -0.64% |
| 2026-04-17 | 21.83 | 22.43 | 21.65 | 21.93 | 498K | +1.67% |
| 2026-04-16 | 21.65 | 21.80 | 21.51 | 21.57 | 750K | -0.46% |
| 2026-04-15 | 21.68 | 21.80 | 21.41 | 21.67 | 430K | +0.28% |
| 2026-04-14 | 21.43 | 21.72 | 21.09 | 21.61 | 393K | +0.37% |
| 2026-04-13 | 21.08 | 21.55 | 21.08 | 21.53 | 342K | +1.03% |
| 2026-04-10 | 21.51 | 21.51 | 21.18 | 21.31 | 396K | -0.75% |
| 2026-04-09 | 21.11 | 21.64 | 21.09 | 21.47 | 621K | +1.32% |
| 2026-04-08 | 21.15 | 21.60 | 21.05 | 21.19 | 598K | +1.19% |
| 2026-04-07 | 20.41 | 20.97 | 20.41 | 20.94 | 281K | +0.87% |
| 2026-04-06 | 20.65 | 20.89 | 20.56 | 20.76 | 274K | +0.10% |
| 2026-04-02 | 20.30 | 20.80 | 20.13 | 20.74 | 314K | +1.42% |
| 2026-04-01 | 20.21 | 20.64 | 20.21 | 20.45 | 284K | +1.44% |
| 2026-03-31 | 20.14 | 20.27 | 19.91 | 20.16 | 298K | +1.56% |
| 2026-03-30 | 19.71 | 19.89 | 19.64 | 19.85 | 279K | +1.43% |
| 2026-03-27 | 19.69 | 19.77 | 19.42 | 19.57 | 260K | -0.66% |
| 2026-03-26 | 19.46 | 19.82 | 19.41 | 19.70 | 321K | +0.46% |
See OSBC's True Return
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorIs OSBC Undervalued?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationCompare OSBC vs BRK-A
Side-by-side business, growth, and profitability comparison vs Berkshire Hathaway Inc..
Start ComparisonOSBC — Frequently Asked Questions
Quick answers to the most common questions about buying OSBC stock.
How has OSBC stock performed recently?
OSBC returned +28.9% over the past year, beating its 5-year annualized CAGR of +8.4%. The stock trades above its 200-day moving average, confirming the uptrend.
What is OSBC's all-time high price?
Old Second Bancorp, Inc. reached $35.31 on 2005-02-16. The 52-week high is $22.43. Current 1-year return of +28.9% places the stock closer to historical peaks.
Where can I download OSBC historical price data?
This page provides OSBC daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.