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Index Exchange vs OneTag

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Index ExchangeProgrammatic Advertising

OneTagProgrammatic Advertising

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Programmatic Advertising

Overview

Focus

Programmatic Advertising

Product

Global ad exchange powering transparent, efficient programmatic advertising transactions between premium publishers and top demand partners.

Programmatic supply platform optimizing bid paths for premium publishers and DSPs.

Website

Headquarters

Toronto, Canada

London, United Kingdom

Company size

501-1,000 employees

51-200 employees

Founded

2001

2014

Pricing details

Source updated

Nov 2, 2026

Oct 29, 2026

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