Old Second Bancorp, Inc. (OSBC) NASDAQ
Currency In USD
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Currency In USD
If you invested $1000 in Old Second Bancorp, Inc. (OSBC) 10 years ago, it would be worth $3,236.06 as of October 03, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,989.63, while $1000 invested 1 year ago would be worth $1,455.66. This corresponds to total returns of 223.61%, 98.96%, 45.57%, respectively, with annualized returns of 12.45%, 14.75%, 45.57%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 02, 2026 | 24.82 | 24.95 | 24.95 | 25.2 | 24.79 | 721,990 |
| October 01, 2026 | 24.38 | 24.63 | 24.63 | 24.67 | 23.99 | 711,117 |
| September 30, 2026 | 24.64 | 24.49 | 24.49 | 24.82 | 24.29 | 505,072 |
| September 29, 2026 | 24.85 | 24.65 | 24.65 | 24.98 | 24.44 | 496,024 |
| September 28, 2026 | 24.92 | 24.85 | 24.85 | 25.03 | 24.76 | 467,664 |
| September 25, 2026 | 24.86 | 24.95 | 24.95 | 25.11 | 24.86 | 674,137 |
| September 24, 2026 | 24.55 | 24.82 | 24.82 | 24.89 | 24.44 | 664,934 |
| September 23, 2026 | 24.66 | 24.55 | 24.55 | 25.13 | 24.42 | 460,802 |
| September 22, 2026 | 24.98 | 24.65 | 24.65 | 25.15 | 24.64 | 375,485 |
| September 21, 2026 | 25.12 | 24.83 | 24.83 | 25.14 | 24.82 | 353,134 |
| September 18, 2026 | 24.8 | 24.99 | 24.99 | 25.07 | 24.59 | 723,312 |
| September 17, 2026 | 25.19 | 24.92 | 24.92 | 25.34 | 24.88 | 422,031 |
| September 16, 2026 | 25.45 | 24.98 | 24.98 | 25.53 | 24.51 | 558,160 |
| September 15, 2026 | 25.52 | 25.53 | 25.53 | 25.68 | 25.33 | 486,520 |
| September 11, 2026 | 25.75 | 25.58 | 25.58 | 25.82 | 25.33 | 381,365 |
| September 10, 2026 | 25.24 | 25.53 | 25.53 | 25.53 | 25 | 361,621 |
| September 09, 2026 | 25.25 | 25.26 | 25.26 | 25.51 | 25.08 | 404,008 |
| September 08, 2026 | 25.61 | 25.53 | 25.53 | 25.74 | 25.43 | 441,598 |
| September 04, 2026 | 25.5 | 25.72 | 25.72 | 25.83 | 25.5 | 429,635 |
| September 03, 2026 | 25.68 | 25.68 | 25.68 | 25.85 | 25.55 | 476,096 |
| September 02, 2026 | 25.17 | 25.53 | 25.53 | 25.68 | 25.09 | 508,364 |
| September 01, 2026 | 25.1 | 25.08 | 25.08 | 25.54 | 24.95 | 436,360 |
| August 31, 2026 | 25.19 | 25.08 | 25.08 | 25.36 | 25.03 | 415,754 |
| August 28, 2026 | 25.22 | 25.24 | 25.24 | 25.37 | 25.15 | 388,759 |
| August 27, 2026 | 25.06 | 25.17 | 25.17 | 25.29 | 24.89 | 290,328 |
| August 26, 2026 | 25.24 | 25.25 | 25.25 | 25.38 | 25.11 | 327,645 |
| August 25, 2026 | 25.52 | 25.19 | 25.19 | 25.52 | 25.18 | 313,039 |
| August 24, 2026 | 25.31 | 25.45 | 25.45 | 25.63 | 25.29 | 317,212 |
| August 21, 2026 | 25.39 | 25.34 | 25.34 | 25.5 | 25.07 | 337,299 |
| August 20, 2026 | 24.89 | 25.2 | 25.2 | 25.25 | 24.7 | 370,489 |
| August 19, 2026 | 25.64 | 25.04 | 25.04 | 25.74 | 25.02 | 529,123 |
| August 18, 2026 | 25.93 | 25.66 | 25.66 | 26 | 25.62 | 344,212 |
| August 17, 2026 | 25.78 | 25.83 | 25.83 | 26.06 | 25.71 | 381,531 |
| August 14, 2026 | 25.82 | 25.91 | 25.91 | 25.95 | 25.67 | 338,550 |
| August 13, 2026 | 25.89 | 25.81 | 25.81 | 26.01 | 25.71 | 352,114 |
| August 12, 2026 | 25.48 | 25.8 | 25.8 | 25.84 | 25.47 | 302,953 |
| August 11, 2026 | 25.32 | 25.45 | 25.45 | 25.62 | 25.3 | 371,393 |
| August 10, 2026 | 25.34 | 25.28 | 25.28 | 25.56 | 25.15 | 395,330 |
| August 07, 2026 | 25.68 | 25.44 | 25.44 | 25.73 | 25.33 | 460,721 |
| August 06, 2026 | 25.99 | 25.78 | 25.78 | 26.02 | 25.68 | 413,238 |
| August 05, 2026 | 25.95 | 25.89 | 25.89 | 25.95 | 25.72 | 468,476 |
| August 04, 2026 | 25.72 | 25.79 | 25.79 | 26.04 | 25.58 | 551,602 |
| August 03, 2026 | 25.48 | 25.78 | 25.78 | 25.87 | 25.45 | 521,281 |
| July 31, 2026 | 25.17 | 25.29 | 25.29 | 25.35 | 24.94 | 336,671 |
| July 30, 2026 | 25.37 | 25.34 | 25.34 | 25.6 | 25.08 | 343,877 |
| July 29, 2026 | 25.02 | 25.29 | 25.29 | 25.67 | 25.02 | 539,318 |
| July 28, 2026 | 24.78 | 25.22 | 25.22 | 25.23 | 24.76 | 515,929 |
| July 27, 2026 | 24.39 | 24.72 | 24.72 | 24.83 | 24.23 | 651,037 |
| July 24, 2026 | 23.69 | 24.03 | 24.03 | 24.21 | 23.62 | 494,939 |
| July 23, 2026 | 23 | 23.51 | 23.51 | 23.54 | 22.6 | 544,005 |
| July 22, 2026 | 23.66 | 23.41 | 23.41 | 23.68 | 23.27 | 502,508 |
| July 21, 2026 | 23.48 | 23.68 | 23.68 | 23.72 | 23.38 | 472,514 |
| July 20, 2026 | 23.64 | 23.6 | 23.6 | 23.71 | 23.37 | 506,169 |
| July 17, 2026 | 23.7 | 23.64 | 23.64 | 23.82 | 23.49 | 463,854 |
| July 16, 2026 | 23.2 | 23.88 | 23.88 | 23.99 | 23.2 | 736,351 |
| July 15, 2026 | 23.01 | 23.19 | 23.19 | 23.41 | 22.75 | 337,789 |
| July 14, 2026 | 23.06 | 23.01 | 23.01 | 23.3 | 22.91 | 215,927 |
| July 13, 2026 | 22.89 | 23.06 | 23.06 | 23.14 | 22.76 | 329,672 |
| July 10, 2026 | 22.92 | 22.89 | 22.89 | 22.97 | 22.78 | 370,665 |
| July 09, 2026 | 22.96 | 22.85 | 22.85 | 23.05 | 22.83 | 507,483 |