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

Old Second Bancorp logo
$25.05 +0.18 (+0.72%)
Closing price 10/6/2026 04:00 PM Eastern
Extended Trading
$25.01 -0.04 (-0.16%)
As of 04:02 AM 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.

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 45.22%, with a year-to-date return of 28.46%. In the past month, the stock has decreased 2.60%, reflecting recent market activity.

As of the latest close, Old Second Bancorp traded at $25.05 with a market cap of $1.27 billion and volume of 922,394 shares. Five years ago, the stock traded at $13.41, representing a 86.80% increase over that period. At the time, it had a market cap of $384.97 million and a volume of 72,397 shares.

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5 Day
Performance
+0.40%
1 Month
Performance
-2.60%
3 Month
Performance
+8.96%
Year-To-Date
Performance
+28.46%
1 Year
Performance
+45.22%
5 Year
Performance
+86.80%

OSBC Stock Chart for Wednesday, October, 7, 2026

Old Second Bancorp Stock Price History

Price Date
0 Results
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
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
09/24/2026$24.55$24.82
+1.10%
$24.89$24.44664,934 shs$1.26 billion
09/23/2026$24.65$24.55
-0.41%
$25.13$24.42460,802 shs$1.25 billion
09/22/2026$24.83$24.65
-0.72%
$25.15$24.64375,486 shs$1.25 billion
09/21/2026$24.99$24.83
-0.64%
$25.26$24.82353,144 shs$1.26 billion
09/18/2026$24.92$24.99
+0.28%
$25.07$24.59731,115 shs$1.27 billion
09/17/2026$24.98$24.92
-0.24%
$25.34$24.88428,231 shs$1.27 billion
09/16/2026$25.53$24.98
-2.15%
$25.53$24.51558,161 shs$1.27 billion
09/15/2026$25.51$25.53
+0.08%
$25.68$25.33486,520 shs$1.30 billion
09/14/2026$25.58$25.51
-0.27%
$25.84$25.46472,499 shs$1.30 billion
09/11/2026$25.53$25.58
+0.20%
$25.82$25.33381,365 shs$1.30 billion
09/10/2026$25.26$25.53
+1.07%
$25.53$25.00361,621 shs$1.30 billion
09/09/2026$25.53$25.26
-1.06%
$25.51$25.08404,009 shs$1.29 billion
09/08/2026$25.72$25.53
-0.74%
$25.74$25.43442,029 shs$1.30 billion
09/07/2026$25.72$25.72$25.83$25.50429,636 shs$1.31 billion

This page (NASDAQ:OSBC) was last updated on 10/6/2026 by MarketBeat.com Staff.
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