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Old Second Bancorp (OSBC) Stock Chart & Stock Price History

Old Second Bancorp logo
$24.43 -0.28 (-1.13%)
Closing price 10/23/2026 04:00 PM Eastern
Extended Trading
$24.54 +0.11 (+0.45%)
As of 10/23/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Old Second Bancorp Stock Price Performance

The Old Second Bancorp (OSBC) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 31.63%, with a year-to-date return of 25.28%. In the past month, the stock has decreased 2.08%, reflecting recent market activity.

As of the latest close, Old Second Bancorp traded at $24.43 with a market cap of $1.24 billion and volume of 927,136 shares. Five years ago, the stock traded at $13.69, representing a 78.47% increase over that period. At the time, it had a market cap of $392.98 million and a volume of 86,859 shares.

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5 Day
Performance
-2.67%
1 Month
Performance
-2.08%
3 Month
Performance
+1.66%
Year-To-Date
Performance
+25.28%
1 Year
Performance
+31.63%
5 Year
Performance
+78.47%

OSBC Stock Chart for Sunday, October, 25, 2026

OSBC Chart by TradingView

Old Second Bancorp Stock Price History

Price Date
0 Results
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
10/23/2026$24.71$24.43
-1.13%		$24.66$24.28927,136 shs$1.24 billion
10/22/2026$24.87$24.71
-0.64%		$24.95$23.69829,537 shs$1.26 billion
10/21/2026$25.10$24.87
-0.92%		$25.24$24.69432,790 shs$1.27 billion
10/20/2026$24.84$25.10
+1.05%		$25.49$24.84505,784 shs$1.28 billion
10/19/2026$24.88$24.84
-0.16%		$25.06$24.76421,553 shs$1.26 billion
10/16/2026$24.85$24.88
+0.12%		$25.50$24.88763,576 shs$1.27 billion
10/15/2026$24.63$24.85
+0.89%		$25.06$24.61546,875 shs$1.26 billion
10/14/2026$24.80$24.63
-0.69%		$24.80$24.35590,957 shs$1.25 billion
10/13/2026$24.84$24.80
-0.16%		$25.13$24.65663,482 shs$1.26 billion
10/12/2026$24.61$24.84
+0.93%		$25.06$24.47588,833 shs$1.26 billion
10/09/2026$24.86$24.61
-1.01%		$24.85$24.54391,763 shs$1.25 billion
10/08/2026$24.66$24.86
+0.81%		$24.97$24.46735,726 shs$1.26 billion
10/07/2026$25.05$24.66
-1.56%		$24.84$24.45620,261 shs$1.25 billion
10/06/2026$24.87$25.05
+0.72%		$25.32$24.95922,394 shs$1.27 billion
10/05/2026$24.95$24.87
-0.32%		$25.06$24.66581,531 shs$1.27 billion
10/02/2026$24.63$24.95
+1.30%		$25.20$24.79721,991 shs$1.27 billion
10/01/2026$24.49$24.63
+0.57%		$24.67$23.99711,117 shs$1.25 billion
09/30/2026$24.65$24.49
-0.65%		$24.82$24.29505,072 shs$1.25 billion
09/29/2026$24.85$24.65
-0.80%		$24.98$24.44496,024 shs$1.25 billion
09/28/2026$24.95$24.85
-0.40%		$25.03$24.76467,664 shs$1.26 billion
09/25/2026$24.82$24.95
+0.52%		$25.11$24.86674,137 shs$1.27 billion
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This page (NASDAQ:OSBC) was last updated on 10/23/2026 by MarketBeat.com Staff.
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