Old Second Bancorp (OSBC) Stock Chart & Stock Price History $16.56 -0.25 (-1.49%) Closing price 08/7/2025 04:00 PM EasternExtended Trading$16.64 +0.08 (+0.48%) As of 04:31 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 Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock 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 7.25%, with a year-to-date return of -6.86%. In the past month, the stock has decreased 12.61%, reflecting recent market activity. As of the latest close, Old Second Bancorp traded at $16.56 with a market cap of $746.19 million and volume of 200,425 shares. Five years ago, the stock traded at $8.55, representing a 93.68% increase over that period. At the time, it had a market cap of $239.97 million and a volume of 71,511 shares. Receive OSBC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Old Second Bancorp and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-0.18%1 Month Performance-12.61%3 Month Performance-1.16%Year-To-Date Performance-6.86%1 Year Performance+7.25%5 Year Performance+93.68% OSBC Stock Chart for Friday, August, 8, 2025 OSBC Chart by TradingView Old Second Bancorp Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/07/2025$16.81$16.56-1.49%$17.27$16.54200,425 shs$746.19 million08/06/2025$17.02$16.81-1.23%$17.20$16.80108,923 shs$757.46 million08/05/2025$16.80$17.02+1.31%$17.02$16.59272,158 shs$766.85 million08/04/2025$16.59$16.80+1.27%$17.40$16.54202,384 shs$757.01 million08/01/2025$16.97$16.59-2.24%$17.57$16.42232,866 shs$747.55 million07/31/2025$17.28$16.97-1.79%$17.23$16.95267,824 shs$764.67 million07/30/2025$17.61$17.28-1.87%$17.73$17.23298,618 shs$778.57 million07/29/2025$17.73$17.61-0.68%$17.89$17.56304,243 shs$793.51 million07/28/2025$17.85$17.73-0.67%$17.98$17.71281,293 shs$798.91 million07/25/2025$17.78$17.85+0.39%$17.85$17.55252,846 shs$804.32 million Get the Latest News and Ratings for OSBC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Old Second Bancorp and its competitors with MarketBeat's FREE daily newsletter. 07/24/2025$18.60$17.78-4.41%$18.39$17.76401,580 shs$801.10 million07/23/2025$18.66$18.60-0.32%$18.76$18.45159,879 shs$838.12 million07/22/2025$18.58$18.66+0.43%$18.87$18.52171,512 shs$840.82 million07/21/2025$18.65$18.58-0.38%$18.80$18.56104,871 shs$837.22 million07/18/2025$18.61$18.65+0.21%$18.85$18.56195,055 shs$840.37 million07/17/2025$18.44$18.61+0.92%$18.71$18.38186,820 shs$838.49 million07/16/2025$18.40$18.44+0.22%$18.71$18.13272,394 shs$830.91 million07/15/2025$18.96$18.40-2.95%$18.93$18.40201,751 shs$829.03 million07/14/2025$18.70$18.96+1.39%$18.98$18.63143,782 shs$854.26 million07/11/2025$19.01$18.70-1.63%$18.90$18.68187,507 shs$842.55 million07/10/2025$18.84$19.01+0.90%$19.10$18.86183,093 shs$856.59 million07/09/2025$18.95$18.84-0.58%$19.11$18.79279,244 shs$848.93 million07/08/2025$18.90$18.95+0.26%$19.17$18.78304,304 shs$853.81 million07/07/2025$19.08$18.90-0.94%$19.25$18.79213,129 shs$851.63 million Related Companies BUSE Stock Price Chart CATY Stock Price Chart FFBC Stock Price Chart FRME Stock Price Chart OBK Stock Price Chart OCFC Stock Price Chart STBA Stock Price Chart TOWN Stock Price Chart UBSI Stock Price Chart UVSP Stock Price Chart Receive OSBC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Old Second Bancorp and its competitors with MarketBeat's FREE daily newsletter. 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