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Old Second Bancorp OSBC

US equityMarket cap rank #3086
$24.87 −$0.08 (-0.32%)
Pre-market · Oct 6, 7:10 am ET · After hours $24.87 0.00%
Open$25.04
Prev close$24.95
Day range$24.66 – $25.06
Volume581.5K
Market cap$1.27B
P/E (TTM)14.4
Dividend yield1.09%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Short interest4.85% of floatDays to cover 5.7 · as of 15 Sep 2026
Short-sale volume share29.5%5-day average of daily volume

Short-sale volume as % of daily volume

20%24%29%34%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$383.9K (10 inflow days, 10 outflow days).

Reported short interest has risen from 3.83% to 4.85% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 2,469,231 4.9% 5.7
31 Aug 2026 2,002,571 3.9% 5.6
14 Aug 2026 1,828,676 3.6% 4.3
31 Jul 2026 1,706,682 3.4% 3.4
15 Jul 2026 1,729,893 3.4% 5.1
30 Jun 2026 1,969,834 3.8% 4.0

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