OSBC (Old Second Bancorp) Interest Income: $404.1 Mil (TTM As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

OSBC Old Second Bancorp Inc OSBC
68 GF Score
Price $25.27
GF Value $19.45
Valuation Modestly Overvalued
! 7 Warning Signs
View Full Analysis

What is Old Second Bancorp Interest Income?

Old Second Bancorp OSBC -0.69% 68 Interest Income is $404.1 Mil as of Jun. 2026. GuruFocus rates OSBC with a GF Score™ of 68/100 and a GF Value™ of $19.45 (Modestly Overvalued). The stock has 7 warning signs investors should review.

Interest Income is the interest earned on cash temporarily held in savings accounts, certificates of deposits, or other investments. Old Second Bancorp's interest income for the three months ended in Jun. 2026 was $100.7 Mil. Its interest income for the trailing twelve months (TTM) ended in Jun. 2026 was $404.1 Mil.


Old Second Bancorp Interest Income Historical Data

* Premium members only.

The historical data trend for Old Second Bancorp's Interest Income 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 Interest Income Chart

Old Second Bancorp Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Income
Get a 7-Day Free Trial Premium Member Only Premium Member Only 104.71 215.54 290.05 295.63 353.66

Old Second Bancorp Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Interest Income 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 74.97 103.69 101.91 97.83 100.65
OSBC
68GF Score
Old Second Bancorp Inc OSBC
Interest Income is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Old Second Bancorp Interest Income Calculation

Interest Income is the interest earned on cash temporarily held in savings accounts, certificates of deposits, or other investments.

Interest Income for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $404.1 Mil.

* 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 Interest Income →
What does a Interest Income of $404.1 Mil mean?
Old Second Bancorp (OSBC) has a Interest Income of $404.1 Mil as of Jun. 2026. Interest Income is the amount a company receives on savings accounts and certificates of deposits. View historical data on Old Second Bancorp and its competitors.
Is Old Second Bancorp's Interest Income too high?
Old Second Bancorp's current Interest Income is $404.1 Mil. Overall, Old Second Bancorp has a GF Score™ of 68/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Old Second Bancorp's Interest Income compare to UVSP and HFWA?
Old Second Bancorp's Interest Income of $404.1 Mil can be compared against companies in the Banks industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Income for a Banks company?
A good Interest Income depends on the Banks industry context. However, Interest Income should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Interest Income mean?
A high Interest Income can signal that a stock is expensive relative to its fundamentals. Interest Income is the amount a company receives on savings accounts and certificates of deposits. View historical data on Old Second Bancorp and its competitors. Old Second Bancorp's current Interest Income is $404.1 Mil. 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 $19.45, compared to a current price of $25.27 — trading 29.9% above its estimated fair value. The current Interest Income is $404.1 Mil. Old Second Bancorp's overall GF Score™ is 68/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Income calculated?
Interest Income is calculated from a company's financial statements. For Old Second Bancorp (OSBC), the current Interest Income is $404.1 Mil as of Jun. 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 $25.27 is trading 29.9% above its estimated GF Value™ of $19.45. GuruFocus considers Old Second Bancorp to be Modestly Overvalued.

Key valuation signals for OSBC:

  • Interest Income: $404.1 Mil
  • GF Value™: $19.45 vs. price of $25.27 (29.9% above fair value)
  • GF Score™: 68/100 with 7 warning signs

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

Other Exchanges OSB:Germany
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.
68GF Score

Get the complete analysis for OSBC

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

$25.27
Price
$19.45
GF Value