What is the difference between a bank’s earnings and its revenue, and how do acquisitions influence these figures?

Earnings represent profit after expenses, while revenue is the total income from core activities. Acquisitions can boost revenue and assets but may temporarily depress earnings due to integration costs and amortisation. In the context of Old Second, an acquisition expanded the loan portfolio and affected reported earnings in Q3 2025, illustrating the close link between growth activity and profitability.

Why is net interest margin important when comparing banks, and what does a rise indicate?

Net interest margin (NIM) measures how effectively a bank earns income from its assets relative to its funding costs. A rising NIM, as seen for Old Second in Q3 2025, suggests improved asset yield management and potentially stronger profitability, assuming operating costs remain controlled. NIM helps assess how well a bank leverages interest income against expenses.

How should operating expenses factor into evaluating a bank’s profitability?

Operating expenses include costs not directly tied to producing goods or services. Even with rising income, high expenses can dampen profitability. For Tompkins Financial, elevated operating costs contributed to profitability pressures, illustrating that steady revenue growth must be supported by cost control to sustain margins.

What role do diversification and multiple business lines play for banks like Tompkins Financial?

Diversification across commercial banking, wealth management, insurance, and leasing can cushion earnings against a single market shock by spreading risk across segments. Tompkins Financial’s varied revenue streams provide growth opportunities, but success depends on execution and cross-segment synergy.

How should trailing earnings and profit margins be interpreted when comparing these stocks?

Trailing earnings reflect past performance, while profit margin shows efficiency in converting revenue to profit. Tompkins Financial reports a strong trailing twelve months earnings and a high net profit margin, indicating solid profitability. However, one should weigh this against current costs and future growth potential.

What does debt-to-equity tell us about financial risk for these banks?

Debt-to-equity measures leverage by comparing total debt to shareholders’ equity. A ratio like 67.4% for Tompkins Financial suggests moderate leverage but higher risk if earnings fail to cover interest and debt service. Assessing leverage helps gauge resilience during market volatility.

Why is cash flow and expense control essential when earnings catalysts are uncertain?

Cash flow shows the actual liquidity available for operations and growth, while expense control sustains profitability when earnings catalysts are uncertain. For both stocks, ongoing monitoring of noninterest expenses and efficiency improvements is key to understanding true earning power amid market volatility.

How do market conditions and interest rate trends affect these banks?

Market conditions and rate movements influence net interest income, loan demand, and funding costs. A rising rate environment can widen NIM if asset yields rise faster than funding costs, but volatility can also suppress loan growth and increase competitive pressure, impacting both stocks differently.

What is the significance of dividend activity for investors in banks like Tompkins Financial?

Dividend activity signals a commitment to shareholder returns and financial stability. Tompkins Financial has a history of regular dividends, which can appeal to income-focused investors. However, dividend cuts or stagnation may occur if earnings struggle or capex needs rise.

How should a beginner use this page to compare Old Second and Tompkins Financial without financial advice?

Use this page to compare how each bank earns money, where profits come from, and the risks tied to leverage and expenses. Note the context of acquisitions, margins, and diversification. This is educational material to understand differences, not recommendations to buy or sell.

What limitations should readers recognise in the provided pro and con lists?

The pros and cons capture selected factors from Q2–Q3 2025 results and disclosures, but may omit other catalysts or risks. Readers should consider additional data, future earnings guidance, and market conditions beyond the listed points when forming views.

How can one interpret ‘acquisition-related adjustments’ in reported earnings?

Acquisition-related adjustments are one-off effects tied to integrating a newly acquired entity. They can distort quarterly comparability, masking ongoing operating performance. Recognising these adjustments helps separate temporary items from core, recurring earnings trends.

Old Second vs Tompkins Financial

Old Second Bancorp is a small Illinois community bank generating net interest income from commercial and residential loans, while Tompkins Financial serves upstate New York and Pennsylvania with banking, insurance, and wealth management under one roof. Both thrive on local relationship banking and depend on deposit cost discipline to protect spread. Old Second vs Tompkins Financial compares two conservative community banks across loan mix, efficiency ratios, and capital deployment strategies.

Comparison Snapshot

Key Financial Metrics

OSBC

Metric

TMP

$1.03B

Market Cap

$1.22B

-3.99%

Potential Profit

-8.28%

Buy

Analyst Rating

Buy

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Old Second vs Community Trust Bancorp

Old Second anchors itself to the Chicago metropolitan market as a community lender focused on local business relationships and real estate lending, while Community Trust Bancorp serves Appalachian Kentucky with a disciplined, slow-growth deposit franchise built over decades of regional loyalty. Both banks prioritize credit quality and community presence over aggressive geographic expansion, keeping their balance sheets tightly managed through rate cycles. The Old Second vs Community Trust Bancorp breakdown reveals how geography, loan-mix diversity, and net interest margin management drive divergent profitability profiles inside the community-banking universe.

Old Second vs Carlyle Secured Lending

Old Second is a community bank in the Chicago suburbs running a vanilla commercial and retail banking model where every basis point of net interest margin matters. Carlyle Secured Lending deploys private credit as a BDC, earning origination fees and floating-rate interest income on loans to mid-market companies sponsored by private equity. Both generate income from loan portfolios but serve completely different borrowers under completely different structures. The Old Second vs Carlyle Secured Lending comparison sizes up credit risk concentration, fee income, dividend sustainability, and which income story holds up better across a full rate and credit cycle.

Old Second vs Hippo

Old Second Bancorp operates community banking across Illinois with a reputation for disciplined underwriting, while Hippo Holdings tried to reinvent homeowners insurance through a tech-first direct model before burning through capital at an unsustainable rate. Both took very different bets on how to build financial services businesses, and only one has the balance sheet to show for it. Old Second vs Hippo contrasts earnings consistency, loss ratio trends, cash runway, and what each company needs to prove over the next twelve months.

Investment Analysis

Old Second

OSBC

Pros

Recent acquisition of Bancorp Financial expanded Old Second's loan portfolio by $1.19 billion, enhancing market presence and growth potential.
Net interest margin improved to 5.05% in Q3 2025, reflecting strong asset yield management and a 41 basis point increase year-over-year.
Operational efficiencies contributed to a $2.0 million net income increase in Q2 2025, supported by increased interest income and reduced noninterest expenses.

Considerations

Q3 2025 net income of $9.9 million was significantly lower than prior quarters due to acquisition-related adjustments impacting reported earnings.
Noninterest expenses increased by $5.5 million compared to Q2 2024, pressuring profitability despite income improvements.
Revenue generation faces ongoing pressure from market and interest rate volatility, posing challenges for consistent earnings growth.

Tompkins Financial

TMP

Pros

Tompkins Financial reported strong trailing twelve months earnings of $84.48 million and a robust net profit margin of 26.66%.
Diverse business segments including commercial banking, wealth management, insurance, and leasing provide multiple growth drivers and revenue streams.
Maintains a healthy dividend payment schedule with ex-dividend and payment dates indicating consistent shareholder returns.

Considerations

Debt-to-equity ratio stands at 67.4%, which could indicate moderate leverage risk relative to equity capital.
Operating expenses remain high with other expenses totaling $232.44 million on $316.92 million revenue, constraining some profitability gains.
Limited recent disclosures on earnings catalysts or growth initiatives could pose uncertainty about near-term growth momentum.

About Old Second and Tompkins Financial

Old Second (OSBC)

Old Second Bancorp, Inc. is the financial holding company for Old Second National Bank, a full-service banking institution. It provides a comprehensive range of financial services to businesses, individuals, and other organisations, primarily in the Chicago metropolitan area. Its offerings include various deposit products like current accounts, savings accounts, and money market accounts. The bank is also active in lending, providing commercial, industrial, consumer, and real estate loans. In addition to core banking, Old Second Bancorp offers trust and wealth management services, helping clients with their long-term financial planning. Through its services like online and mobile banking, it aims to meet the evolving needs of its customer base. For investors, it represents a traditional banking operation with a broad service portfolio. As with any investment, its value can go down as well as up, and returns are not guaranteed.

Tompkins Financial (TMP)

Tompkins Financial Corporation is a community-focused financial services company based in the United States. It primarily serves regions across New York and Pennsylvania through its main segments: banking and wealth management. The banking division offers a comprehensive suite of services, including personal and commercial loans, deposits, credit cards, and digital banking solutions. It has a notable presence in agricultural and real estate lending within its operating areas. The wealth management arm, operating as Tompkins Financial Advisors, provides individuals and businesses with investment management, financial planning, and trust and estate services. This dual focus allows the organisation to cater to a broad spectrum of financial needs, from everyday banking to long-term wealth strategy. For potential investors, it represents a regionally-focused financial institution with a diversified business model. However, like any investment, its value can go down as well as up, and past performance is not indicative of future returns.

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Old Second vs Tompkins Financial

Comparison Snapshot