Keen marketing dictionary for brand leaders

What is ROI?

ROI (Return on Investment)

ROI (Return on Investment) is the ratio of the Present Value to Investment.

ROI is the relative measure of the value in an investment in total.

Back to all terms

Related terms

Share

Related resources

An image showing the front of Keen's 2026 Marketing Benchmarks & Insights Report.
Featured resource

2026 Keen Marketing Benchmarks & Insights Report

Access updated marketing benchmarks from $42B in spend across 400+ brands with ROI, media mix, and funnel efficiency insights you can use to pressure-test and sharpen your 2026 plan.
Get the report
Definition

Seasonality

Understand the concept of seasonality in marketing, how it affects consumer behavior, and how businesses can leverage seasonal trends.
Explore definition
Definition

Hold Out Test

Learn the definition of hold-out test in marketing. Understand how it helps isolate true campaign impact in performance analysis.
Explore definition
Definition

Impact Time

Find the definition of impact time in marketing. Explore how it represents the duration a tactic continues to influence outcomes.
Explore definition

Ready to transform your marketing strategy?

Get a demo