Old Second Bancorp, Inc. (OSBC)
NASDAQ: OSBC · Real-Time Price · USD
24.40
+0.05 (0.21%)
Nov 6, 2026, 4:00 PM EST - Market closed
Old Second Bancorp Market Cap
Old Second Bancorp has a market cap or net worth of $1.21 billion as of November 6, 2026. It is the 8,932nd most valuable company in the world and the 2,098th biggest in the United States. Its market cap has increased by 26.66% in one year.
Market Cap
1.21B
Enterprise Value
1.58B
1-Year Change
26.66%
Global Rank
Country Rank
#2,098 United States
Category
ChartMarket Cap Chart
Since December 1, 1998, Old Second Bancorp's market cap has increased from $154.40M to $1.21B, an increase of 681.32%. That is a compound annual growth rate of 7.63%.
| Date | Market Cap | % Change |
|---|---|---|
| Nov 5, 2026 | 1.24B | 20.62% |
| 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% |
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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
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