Old Second Bancorp, Inc. (OSBC) NASDAQ

Currency In USD

OSBC Historical Return

If you invested $1000 in Old Second Bancorp, Inc. (OSBC) 10 years ago, it would be worth $3,724.59 as of August 02, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,356.94, while $1000 invested 1 year ago would be worth $1,516.19. This corresponds to total returns of 272.46%, 135.69%, 51.62%, respectively, with annualized returns of 14.05%, 18.69%, 51.62%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

OSBC Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
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
July 08, 2026	22.99	22.71	22.71	22.99	22.6	327,245
July 07, 2026	23.33	22.99	22.99	23.36	22.97	354,430
July 06, 2026	23.15	23.22	23.22	23.55	23.05	394,905
July 02, 2026	23.75	23.23	23.23	23.95	23.12	246,121
July 01, 2026	23.33	23.62	23.62	23.66	23.28	379,888
June 30, 2026	23.21	23.32	23.32	23.36	22.99	342,120
June 29, 2026	23.13	23.21	23.21	23.34	23.02	415,930
June 26, 2026	23.08	23.38	23.38	23.55	22.89	1.48M
June 25, 2026	22.79	23.02	23.02	23.08	22.75	392,311
June 24, 2026	22.63	22.89	22.89	22.91	22.43	331,063
June 23, 2026	22.15	22.57	22.57	22.63	21.83	307,316
June 22, 2026	21.87	22.08	22.08	22.25	21.86	335,595
June 18, 2026	21.98	21.89	21.89	22.17	21.73	530,929
June 17, 2026	22.06	21.66	21.66	22.45	21.5	435,665
June 16, 2026	22.16	22.06	22.06	22.53	21.91	361,802
June 15, 2026	22.58	22.01	22.01	22.67	21.92	440,982
June 12, 2026	22.36	22.5	22.5	22.54	22.08	311,985
June 11, 2026	22.23	22.22	22.22	22.41	21.94	300,508
June 10, 2026	22.03	22.12	22.12	22.26	21.9	319,088
June 09, 2026	21.84	21.94	21.94	22.3	21.4	251,206
June 08, 2026	21.62	21.71	21.71	21.88	21.59	176,998
June 05, 2026	21.42	21.56	21.56	21.76	21.42	226,814
June 04, 2026	21.08	21.42	21.42	21.51	20.98	254,564
June 03, 2026	21.43	20.7	20.7	21.49	20.68	272,495
June 02, 2026	20.97	21.36	21.36	21.4	20.74	398,142
June 01, 2026	21.11	21.07	21.07	21.24	20.76	407,053
May 29, 2026	21.29	21.32	21.32	21.5	21.02	346,178
May 28, 2026	21.23	21.3	21.3	21.31	20.95	308,382
May 27, 2026	21.48	21.23	21.23	21.61	21.14	318,395
May 26, 2026	21.14	21.49	21.49	21.49	20.87	434,556
May 22, 2026	21.13	21.08	21.08	21.44	21.03	324,374
May 21, 2026	20.86	21.08	21.08	21.08	20.79	367,285
May 20, 2026	20.84	20.97	20.97	21.2	20.62	427,310
May 19, 2026	20.82	20.79	20.79	20.93	20.59	262,109
May 18, 2026	20.52	20.82	20.82	20.9	20.52	296,267
May 15, 2026	20.67	20.43	20.43	20.72	20.35	364,123
May 14, 2026	20.85	20.71	20.71	21.02	20.68	276,361
May 13, 2026	20.73	20.65	20.65	20.97	20.54	401,494
May 12, 2026	20.91	20.85	20.85	20.99	20.33	372,152
May 11, 2026	21.32	20.88	20.88	21.42	20.72	484,054
May 08, 2026	21.07	21.28	21.28	21.34	21.07	323,739
May 07, 2026	21.21	21.08	21.08	21.47	20.63	394,380
May 06, 2026	21.09	21.17	21.17	21.41	21.03	402,970