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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryMarketing FinanceOperating Expenses vs. Capital Expenditures (OPEX vs. CAPEX)

Marketing Finance

Operating Expenses vs. Capital Expenditures (OPEX vs. CAPEX)

OPEX is day-to-day spending expensed immediately, like most marketing; CAPEX buys long-lived assets, such as some software development, capitalized and depreciated over time.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Operating expenses (OPEX) are day-to-day costs expensed immediately, like most marketing spend, while capital expenditures (CAPEX) buy long-lived assets, such as some software development, which are capitalized and depreciated over time. The distinction affects reported profit, tax treatment and budgeting, and determines how investments in tools and platforms appear on financial statements.