OSBC (Old Second Bancorp) OCF Margin %: 40.04% (As of Mar. 2026) — Near Median


OSBC Old Second Bancorp Inc OSBC
69 GF Score
Price $23.01
GF Value $18.66
Valuation Modestly Overvalued
! 6 Warning Signs
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What is Old Second Bancorp OCF Margin %?

Old Second Bancorp OSBC +0.57% 69 OCF Margin % is 40.04% as of Mar. 2026, which is 5% above its 10-year median of 38.23. GuruFocus rates OSBC with a GF Score™ of 69/100 and a GF Value™ of $18.66 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 1,500 Banks companies, Old Second Bancorp ranks better than 65.47% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Old Second Bancorp's Cash Flow from Operations for the three months ended in Mar. 2026 was $36.9 Mil. Old Second Bancorp's Revenue for the three months ended in Mar. 2026 was $92.3 Mil. Therefore, Old Second Bancorp's OCF Margin % for the quarter that ended in Mar. 2026 was 40.04%.

As of today, Old Second Bancorp's current OCF Yield % is 11.94%.

The historical rank and industry rank for Old Second Bancorp's OCF Margin % or its related term are showing as below:

OSBC' s OCF Margin % Range Over the Past 10 Years
Min: 20.46   Med: 38.23   Max: 46.99
Current: 39.98


During the past 13 years, the highest OCF Margin % of Old Second Bancorp was 46.99%. The lowest was 20.46%. And the median was 38.23%.

OSBC's OCF Margin % is ranked better than
65.47% of 1500 companies
in the Banks industry
Industry Median: 29.44 vs OSBC: 39.98


Old Second Bancorp OCF Margin % Related Terms


Old Second Bancorp OCF Margin % Historical Data

* Premium members only.

The historical data trend for Old Second Bancorp's OCF Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Old Second Bancorp OCF Margin % Chart

Old Second Bancorp Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 23.27 39.74 41.43 46.99 36.71

Old Second Bancorp Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
OCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 24.87 32.92 38.16 47.29 40.04

OSBC vs UVSP, CCB, MCB: OCF Margin % Comparison

For the Banks - Regional subindustry, Old Second Bancorp's OCF Margin %, along with its competitors' market caps and OCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Old Second Bancorp OCF Margin % vs Banks Industry

For the Banks industry and Financial Services sector, Old Second Bancorp's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Old Second Bancorp's OCF Margin % falls into.


OSBC
69GF Score
Old Second Bancorp Inc OSBC
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Old Second Bancorp OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Old Second Bancorp's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=122.264/333.097
=36.71 %

Old Second Bancorp's OCF Margin for the quarter that ended in Mar. 2026 is calculated as

OCF Margin=Cash Flow from Operations (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=36.939/92.255
=40.04 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about OCF Margin % →
What does a OCF Margin % of 40.04% mean?
Old Second Bancorp (OSBC) has a OCF Margin % of 40.04% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Old Second Bancorp and its competitors. This is near median its historical median of 38.23. Over the past decade, Old Second Bancorp's OCF Margin % has ranged from 20.46 to 46.99. According to the industry distribution chart, Old Second Bancorp ranks #518 out of 1500 companies in the Banks industry, placing it in the top 34.5%.
Is Old Second Bancorp's OCF Margin % too high?
Old Second Bancorp's current OCF Margin % of 40.04% is near median its 10-year median of 38.23. Over the past 10 years, this metric has ranged from a low of 20.46 to a high of 46.99. The Banks industry median OCF Margin % is 29.44. Old Second Bancorp's value of 40.04% is 36% above this industry median. Based on the distribution chart, Old Second Bancorp ranks #518 out of 1500 companies in the Banks industry, which is above the industry midpoint. Overall, Old Second Bancorp has a GF Score™ of 69/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Old Second Bancorp's OCF Margin % compare to UVSP and CCB?
According to the Banks industry distribution chart, Old Second Bancorp ranks #518 out of 1500 companies for OCF Margin %. This puts Old Second Bancorp in the upper half of its industry. The industry median OCF Margin % is 29.44. Old Second Bancorp's value of 40.04% is 36% above this benchmark. Historically, Old Second Bancorp's own OCF Margin % has ranged from 20.46 to 46.99 over the past decade. While the company's 10-year median is 38.23 vs. the industry median of 29.44, Old Second Bancorp has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for a Banks company?
The median OCF Margin % among Banks companies is 29.44, based on 1,500 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Old Second Bancorp's current OCF Margin % of 40.04% is 36% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Old Second Bancorp and its competitors. For the Banks industry, the median OCF Margin % is 29.44 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Old Second Bancorp's current OCF Margin % is 40.04%, which is near median its own 10-year median of 38.23. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Old Second Bancorp stock overvalued right now?
Based on GuruFocus' analysis, Old Second Bancorp (OSBC) is currently considered Modestly Overvalued. The stock's GF Value™ is $18.66, compared to a current price of $23.01 — trading 23.3% above its estimated fair value. The current OCF Margin % is 40.04%, which is near median its 10-year median of 38.23 and 36% above the Banks industry median of 29.44. Old Second Bancorp's overall GF Score™ is 69/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Old Second Bancorp (OSBC), the current OCF Margin % is 40.04% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Old Second Bancorp (OSBC) Overvalued in 2026?

Based on GuruFocus' analysis, Old Second Bancorp stock appears to be overvalued. The current stock price of $23.01 is trading 23.3% above its estimated GF Value™ of $18.66. GuruFocus considers Old Second Bancorp to be Modestly Overvalued.

Key valuation signals for OSBC:

  • OCF Margin %: 40.04% (near median its 10-year median of 38.23)
  • GF Value™: $18.66 vs. price of $23.01 (23.3% above fair value)
  • GF Score™: 69/100 with 6 warning signs
  • Industry Position: 36% above the Banks median (#518 of 1500)

No single metric tells the full story. See the OSBC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Old Second Bancorp Business Description

Address 37 South River Street, Aurora, IL, USA, 60507
Old Second Bancorp Inc is a bank holding company. It provides consumer and commercial banking products such as demand, money market, savings, time deposit, and individual retirement as well as commercial, industrial, consumer, and real estate lending, including installment loans, student loans, agricultural loans, lines of credit and overdraft checking, safe deposit operations, trust services, wealth management services, and additional services tailored to the needs of individual customers, corporates, small-medium enterprises. The company has one operating segment, which is community banking. The company's revenue consists of interest, commission, payments, and other income.
69GF Score

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OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$23.01
Price
$18.66
GF Value