Old Second Bancorp, Inc. (OSBC)
NASDAQ: OSBC · Real-Time Price · USD
24.91
+0.05 (0.22%)
At close: Oct 16, 2026, 4:00 PM EDT
24.88
-0.03 (-0.10%)
After-hours: Oct 16, 2026, 7:30 PM EDT
Old Second Bancorp Market Cap
Old Second Bancorp has a market cap or net worth of $1.27 billion as of October 16, 2026. It is the 8,895th most valuable company in the world and the 2,081st biggest in the United States. Its market cap has increased by 34.76% in one year.
Market Cap
1.27B
Enterprise Value
1.59B
1-Year Change
34.76%
Global Rank
Country Rank
#2,081 United States
Category
ChartMarket Cap Chart
Since December 1, 1998, Old Second Bancorp's market cap has increased from $154.40M to $1.27B, an increase of 719.81%. That is a compound annual growth rate of 7.83%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 16, 2026 | 1.27B | 23.25% |
| Dec 31, 2025 | 1.03B | 28.78% |
| Dec 31, 2024 | 797.50M | 15.56% |
| Dec 29, 2023 | 690.10M | -3.48% |
| Dec 30, 2022 | 715.00M | 97.84% |
| Dec 31, 2021 | 361.40M | 21.89% |
| Dec 31, 2020 | 296.50M | -26.39% |
| Dec 31, 2019 | 402.80M | 4.11% |
| Dec 31, 2018 | 386.90M | -4.33% |
| Dec 29, 2017 | 404.40M | 23.82% |
| Dec 30, 2016 | 326.60M | 41.26% |
| Dec 31, 2015 | 231.20M | 46.24% |
| Dec 31, 2014 | 158.10M | 145.88% |
| Dec 31, 2013 | 64.30M | 273.84% |
| Dec 31, 2012 | 17.20M | -5.49% |
| Dec 30, 2011 | 18.20M | -22.88% |
| Dec 31, 2010 | 23.60M | -75.21% |
| Dec 31, 2009 | 95.20M | -40.35% |
| Dec 31, 2008 | 159.60M | -50.95% |
| Dec 31, 2007 | 325.40M | -15.39% |
| Dec 29, 2006 | 384.60M | -6.79% |
| Dec 30, 2005 | 412.60M | -3.55% |
| Dec 31, 2004 | 427.80M | 29.28% |
| Dec 31, 2003 | 330.90M | 21.48% |
| Dec 31, 2002 | 272.40M | 20.80% |
View and export this data all the way back to 1998. Sign Up Today.
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
Related Stocks
| Company | Market Cap |
|---|---|
| Burke & Herbert Financial Services | 1.41B |
| Tompkins Financial | 1.40B |
| Esquire Financial Holdings | 1.40B |
| Community Trust Bancorp | 1.36B |
| First Mid Bancshares | 1.32B |
| Peoples Bancorp | 1.29B |
| HBT Financial | 1.29B |
| Preferred Bank | 1.24B |