Old Second Bancorp, Inc. (OSBC)

Old Second Bancorp Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 17, 2026	22.06	22.45	21.50	21.66	21.66	-1.81%	435,665
Jun 16, 2026	22.16	22.53	21.91	22.06	22.06	0.23%	361,802
Jun 15, 2026	22.58	22.67	21.92	22.01	22.01	-2.18%	440,982
Jun 12, 2026	22.36	22.54	22.08	22.50	22.50	1.26%	282,203
Jun 11, 2026	22.23	22.41	21.94	22.22	22.22	0.45%	300,508
Jun 10, 2026	22.03	22.26	21.90	22.12	22.12	0.82%	317,726
Jun 9, 2026	21.84	22.30	21.40	21.94	21.94	1.06%	250,955
Jun 8, 2026	21.62	21.88	21.59	21.71	21.71	0.70%	176,998
Jun 5, 2026	21.42	21.76	21.42	21.56	21.56	0.65%	224,234
Jun 4, 2026	21.08	21.51	20.98	21.42	21.42	3.48%	253,053
Jun 3, 2026	21.43	21.49	20.68	20.70	20.70	-3.09%	275,878
Jun 2, 2026	20.97	21.40	20.74	21.36	21.36	1.38%	397,215
Jun 1, 2026	21.11	21.24	20.76	21.07	21.07	-1.17%	369,633
May 29, 2026	21.29	21.50	21.02	21.32	21.32	0.09%	333,202
May 28, 2026	21.23	21.31	20.95	21.30	21.30	0.33%	308,382
May 27, 2026	21.48	21.61	21.14	21.23	21.23	-1.21%	318,220
May 26, 2026	21.14	21.49	20.87	21.49	21.49	1.94%	439,112
May 22, 2026	21.13	21.44	21.03	21.08	21.08	-	324,374
May 21, 2026	20.86	21.08	20.79	21.08	21.08	0.52%	367,135
May 20, 2026	20.83	21.20	20.62	20.97	20.97	0.87%	441,585
May 19, 2026	20.82	20.93	20.59	20.79	20.79	-0.14%	262,109
May 18, 2026	20.47	20.90	20.46	20.82	20.82	1.91%	300,708
May 15, 2026	20.67	20.72	20.35	20.43	20.43	-1.35%	364,123
May 14, 2026	20.80	21.06	20.69	20.71	20.71	0.29%	279,757
May 13, 2026	20.73	20.97	20.54	20.65	20.65	-0.96%	402,794
May 12, 2026	20.91	20.99	20.33	20.85	20.85	-0.14%	372,152
May 11, 2026	21.32	21.42	20.72	20.88	20.88	-1.88%	510,610
May 8, 2026	21.07	21.34	21.07	21.28	21.28	0.95%	323,739
May 7, 2026	21.21	21.47	20.64	21.08	21.08	-0.43%	395,629
May 6, 2026	21.09	21.41	21.03	21.17	21.17	1.00%	414,027
May 5, 2026	20.56	21.14	20.49	20.96	20.96	2.24%	368,859
May 4, 2026	20.67	20.92	19.93	20.50	20.50	-1.39%	357,612
May 1, 2026	20.54	20.82	20.35	20.79	20.79	1.22%	328,087
Apr 30, 2026	20.34	20.83	20.24	20.61	20.54	0.49%	357,469
Apr 29, 2026	20.75	20.93	20.42	20.51	20.44	-1.91%	362,713
Apr 28, 2026	20.51	20.98	20.51	20.91	20.84	2.65%	512,775
Apr 27, 2026	19.98	20.41	19.93	20.37	20.30	1.85%	436,351
Apr 24, 2026	19.80	20.05	19.65	20.00	19.93	0.76%	604,932
Apr 23, 2026	19.85	20.91	19.25	19.85	19.78	-6.41%	1,070,181
Apr 22, 2026	21.43	21.50	21.15	21.21	21.14	-0.75%	329,224
Apr 21, 2026	21.74	21.88	21.32	21.37	21.30	-1.93%	264,455
Apr 20, 2026	21.84	22.09	21.78	21.79	21.72	-0.64%	251,201
Apr 17, 2026	21.83	22.43	21.65	21.93	21.86	1.67%	511,429
Apr 16, 2026	21.59	21.80	21.51	21.57	21.50	-0.46%	755,283
Apr 15, 2026	21.57	21.80	21.41	21.67	21.60	0.28%	434,578
Apr 14, 2026	21.43	21.72	21.10	21.61	21.54	0.37%	404,052
Apr 13, 2026	21.24	21.55	21.10	21.53	21.46	1.03%	346,788
Apr 10, 2026	21.51	21.51	21.18	21.31	21.24	-0.75%	405,812
Apr 9, 2026	21.14	21.64	21.09	21.47	21.40	1.32%	627,720
Apr 8, 2026	21.25	21.60	21.05	21.19	21.12	1.19%	608,300

Data Source: S&P Global Market Intelligence Last updated: Jun 17, 2026

Historical price data is provided by S&P Global Market Intelligence. New prices are added after the close of each trading day, and past prices are adjusted for stock splits.

Update frequency:

Daily

Last checked:

Jun 17, 2026

Data Sources Report a data error

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