Old Second Bancorp

OSBCNasdaq United States Finance Major Banks

Market cap

$1.263 B

$24.83 -0.64%

Close of 21 Sept 2026

Revenue

—

Not reported

Earnings

$80.3M

#1389 by earnings

Shares outstanding

50,875,716

Latest filing cover page

P/E ratio

15.7

Cap ÷ net income

Major Banks, ranked by market cap

All 246 →

#120First Mid BancsharesFMBH$1.32B
#121HBT FinancialHBT$1.30B
#122Old Second BancorpOSBC$1.26B
#123Univest FinancialUVSP$1.16B
#124Amerant BancorpAMTB$1.16B

What if Old Second Bancorp were worth as much as…

Open the what-if tool →

Gold $30.3T

$595,059.03

Per share 23,965× higher

Bitcoin $1.72T

$33,804.02

Per share 1,361× higher

Nvidia $5.48T

$107,710.68

Per share 4,338× higher

Or at a round number

$2.00B $5.00B $10.0B $20.0B

Where these numbers come from

Share counts and financials for Old Second Bancorp are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 22 Sept 2026. Read the methodology.