
Old Second Bancorp Inc. (OSBC)
Showing Closing Date Range from Apr 22 to Oct 19, 2026 compared to Oct 23, 2025 to Apr 21, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:investors.oldsecond.com
Current Period Close
$24.88
Apr 22, 2026 - Oct 19, 2026
Previous Period Close
$21.37
Oct 23, 2025 - Apr 21, 2026
Net Comparison Delta
+$3.51 (+16.42%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(121 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 16, 2026 | $24.88 | Apr 17, 2026 | $21.93 | +13.45% |
| Oct 15, 2026 | $24.85 | Apr 16, 2026 | $21.57 | +15.21% |
| Oct 14, 2026 | $24.63 | Apr 15, 2026 | $21.67 | +13.66% |
| Oct 13, 2026 | $24.80 | Apr 14, 2026 | $21.61 | +14.76% |
| Oct 12, 2026 | $24.84 | Apr 13, 2026 | $21.53 | +15.37% |
| Oct 09, 2026 | $24.61 | Apr 10, 2026 | $21.31 | +15.49% |
| Oct 08, 2026 | $24.86 | Apr 09, 2026 | $21.47 | +15.79% |
| Oct 07, 2026 | $24.66 | Apr 08, 2026 | $21.19 | +16.38% |
| Oct 06, 2026 | $25.05 | Apr 07, 2026 | $20.94 | +19.63% |
| Oct 05, 2026 | $24.87 | Apr 06, 2026 | $20.76 | +19.80% |
| Oct 02, 2026 | $24.95 | Apr 02, 2026 | $20.74 | +20.30% |
| Sep 28, 2026 | $24.85 | Apr 01, 2026 | $20.45 | +21.52% |
| Sep 25, 2026 | $24.95 | Mar 31, 2026 | $20.16 | +23.76% |
| Sep 24, 2026 | $24.82 | Mar 30, 2026 | $19.85 | +25.04% |
| Sep 23, 2026 | $24.55 | Mar 27, 2026 | $19.57 | +25.45% |
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