AdTech Vendor · vs · AdTech Vendor

INSH

Index Exchange vs Sharethrough

Structured technology and market comparison · 2026

Direct Feature Comparison

Index Exchange · vs · Sharethrough
Primary Market / Role
Index ExchangeAdTech Vendor
SharethroughAdTech Vendor
Platform Focus
Index Exchange

Independent supply-side platform for programmatic monetisation and curated deals.

Sharethrough

Programmatic SSP and ad exchange focused on curated, sustainable supply.

Company Size
Index Exchange501–1,000 employees
Sharethrough10–49 employees
Headquarters
Index ExchangeCA
SharethroughCA
Year Founded
Index Exchange2003
Sharethrough2008

Analyze all overlapping signals and tech stacks for Index Exchange and Sharethrough

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Comparison Analysis

What is the main difference between Index Exchange and Sharethrough?

Index Exchange operates purely as an independent sell-side infrastructure provider, scaling high-throughput programmatic auctions for enterprise media owners. Conversely, Sharethrough functions as an attention-centric ad exchange, emphasizing curated, sustainable, and native ad formats. While Index Exchange targets large-scale enterprise publishers requiring deep transparency and protocol customization, Sharethrough appeals to buyers seeking enhanced viewability, lower carbon footprints, and optimized attention metrics.

How do the features of Index Exchange and Sharethrough compare?

Both platforms deliver robust header bidding infrastructure, programmatic direct capabilities, and curation tools. Index Exchange excels in raw auction dynamics, transaction throughput, and granular supply path optimization for tier-one publishers. Sharethrough differentiates through proprietary ad-enhancement technologies, attention-based metrics, and green media products that filter out low-quality inventory, making it ideal for performance-driven and sustainability-conscious brand buyers.

What are the top alternatives to Index Exchange and Sharethrough?

When evaluating Index Exchange and Sharethrough, enterprise buyers also consider other platforms in Header Bidding, In-App, and Display Ads & Banner. You can discover the full competitive landscape and evaluate other alternatives by viewing their respective footprint profiles on Polaris7.

Market Signals

Recent Market Signals & Activity: Index Exchange vs Sharethrough

Documented market movements, strategic partnerships, product releases, and regulatory developments mapped across Polaris7.

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Index Exchange

Recent Signals

  • ·ExchangeWireInfrastructure

    Adnami Joins Index Exchange Data Vendor Ecosystem

    Adnami, a Danish ad tech company specializing in high-impact display formats, has joined Index Exchange's data vendor ecosystem. This integration enables Adnami to access Index Exchange's supply-side platform to expand its distribution and offer its premium ad formats to a wider range of publishers and advertisers. The collaboration allows Adnami to leverage Index Exchange's robust infrastructure and demand relationships, enhancing its ability to deliver high-impact, viewable advertising at scale. This move is part of Adnami's strategy to strengthen its presence in the programmatic advertising space and provide more value to its partners through enhanced monetization opportunities.

    • Adnami has joined Index Exchange's data vendor ecosystem.
    • The partnership enables Adnami to distribute its high-impact display formats via Index Exchange.
    • The integration aims to expand Adnami's reach and enhance monetization for publishers.
  • ·AdzineAgentic Advertising

    Online Ad Summit 2026: More Agentic, More Open Web?

    The Online Ad Summit 2026, a pre-Dmexco event, focused on the practical implications of agentic AI for the advertising industry. Industry leaders discussed the role of AI agents in media buying, with Sven Wegholz of Publicis Media noting that autonomy is real but scaling is the next step. Andrew Casale of Index Exchange cautioned against overhyping agents, stating they cannot replace programmatic infrastructure. Daniel Knapp of IAB Europe emphasized the need for unified, measurable bundles combining creative, media, and measurement to compete with walled gardens. The event also highlighted the OVK's claim of 32 million activatable identities in Germany, though adoption remains a challenge. Overall, the summit underscored that while agents can streamline workflows, the fundamental issues of the open web, such as reach, frequency control, and measurement, persist.

    • The Online Ad Summit 2026 took place one day before Dmexco, with 360 industry professionals attending.
    • Publicis Media's Sven Wegholz stated that agent autonomy is real, but scaling is the next step in agentic media buying.
    • Index Exchange CEO Andrew Casale said agents cannot handle 20 million requests per second and will not replace programmatic infrastructure.
  • ·ExchangeWireMeasurement

    Index Exchange, On Device Partner for Brand Lift Measurement

    On Device, a provider of brand lift measurement solutions, has announced a partnership with Index Exchange to make independent brand lift studies available through Index Marketplaces. The collaboration designates On Device as an approved third-party brand lift measurement provider in EMEA and APAC, allowing Index customers to commission studies that measure campaign effectiveness. The integration offers a streamlined buying experience for advertisers and agencies, enhancing access to verified insights on brand outcomes. The partnership underscores growing demand for transparent, independent measurement in the advertising industry.

    • On Device partners with Index Exchange to provide brand lift measurement through Index Marketplaces.
    • On Device becomes an approved third-party brand lift measurement provider in EMEA and APAC.
    • The partnership enables advertisers to commission independent brand lift studies via Index.
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Sharethrough

Recent Signals

  • ·Sharethrough

    Equativ Brings ChatGPT Ads to Brands as Advertising Partner

    Equativ, the company formerly known as Sharethrough, announces a new partnership to bring ChatGPT ads to brands, marking a significant product launch and expansion into AI-powered advertising.

  • ·Sharethrough

    Sharethrough is now Equativ: United as One

    The blog page has been rebranded from Sharethrough to Equativ, with the title changed to 'Blog — Equativ' and the logo updated. The page now prominently features the announcement 'United as One: Sharethrough is now Equativ' with a link to the press release. The navigation and content have been updated to reflect the Equativ brand, including new product categories and a refreshed article list.

  • ·Sharethrough

    Sharethrough is now Equativ

    The blog page has been rebranded from Sharethrough to Equativ, with the title changed to 'Blog — Equativ' and the logo updated. The page now features new blog articles and a press release about Christophe Parcot being appointed as Non-Executive Chairman of European Media Marketplace.

Compare their exact ecosystem overlaps.

Explore all deep relationships in Polaris7. Discover exactly which mutual clients, integrated technologies, and overlapping partners Index Exchange and Sharethrough share across the market ecosystem.