AdTech Vendor · Data Provider / Broker · vs · AdTech Vendor
33Across vs Index Exchange
Structured technology and market comparison · 2026
Direct Feature Comparison
33Across · vs · Index ExchangeCookieless SSP and identity platform for programmatic advertising.
Independent supply-side platform for programmatic monetisation and curated deals.
Analyze all overlapping signals and tech stacks for 33Across and Index Exchange
Compare mutual enterprise clients, monetization models, live market signals, and partner networks directly in the interactive Knowledge Graph.
Comparison Analysis
What is the main difference between 33Across and Index Exchange?
When comparing 33Across and Index Exchange, both platforms operate within the Supply-Side Platform (SSP), In-App, and Display Ads & Banner ecosystem. 33Across is positioned as Cookieless SSP and identity platform for programmatic advertising, whereas Index Exchange focuses on Independent supply-side platform for programmatic monetisation and curated deals. Decision-makers evaluate both solutions when orchestrating their commercial monetization and technology stack.
What are the top alternatives to 33Across and Index Exchange?
When evaluating 33Across and Index Exchange, enterprise buyers also consider other platforms in Supply-Side Platform (SSP), 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.
How do the corporate scale, structure, and headquarters of 33Across and Index Exchange compare?
33Across is headquartered in US (founded in 2007) with 50–200 employees. Index Exchange is based in CA (founded in 2003) with 501–1,000 employees. Complete ownership, subsidiary trees, and corporate affiliations are documented across Polaris7.
Market Signals
Recent Market Signals & Activity: 33Across vs Index Exchange
Documented market movements, strategic partnerships, product releases, and regulatory developments mapped across Polaris7.
33Across
Recent Signals
No recent market signals documented for 33Across in the current tracking window.
Index Exchange
Recent Signals
- ·DigidayPrivacy
Ad industry tallies early losses from Apple Safari tracking block
Apple's latest Safari update has blocked tracking technologies used by major ad tech vendors, causing early revenue losses for publishers. Aditude reported a 10.5% drop in eCPMs among updated users, with Safari accounting for 11.7% of ad impressions and 11.4% of ad revenue for its clients. The impact is currently limited as only 8% of users have updated, but fears grow ahead of Q4. Some publishers with subscription models are less affected, while others worry about dependencies on blocked vendors. Apple's lack of communication and perceived favoritism towards its own ad network have drawn criticism. Index Exchange remains unaffected but calls the move an overreach. The Trade Desk's ad server was blocked but temporarily restored in a test version after a bug report.
- Apple's Safari update blocked tracking technologies used by major ad tech companies.
- Aditude reported eCPMs fell 10.5% among users with the update, impacting publishers' revenue.
- Safari accounts for 11.7% of ad impressions and 11.4% of ad revenue for Aditude's clients.
- ·AdzinePlatform
Index Exchange CEO: Sell-Side Innovation, CTV Transparency, AI Agents
In an interview with ADZINE, Andrew Casale, CEO of Index Exchange, discusses the evolution of programmatic advertising. He argues that sell-side innovation, including modeling and containerization, is increasing complexity but also value. Buyers can now run their own models on the sell-side, democratizing decision-making. Casale addresses the black box concern, noting that while the internal logic of buyer models is opaque, the platform observes their actions. He highlights the shift towards modular infrastructure, with Index enabling data providers and DSPs to run modules on its cloud. Regarding CTV, Casale emphasizes the need for more transparency, noting that while genre data is increasingly available, show and episode data remain limited due to legal and distribution issues. He discusses the evolution of pod serving and the role of agentic advertising, distinguishing between workflow automation and impression-level decisioning, which remains the domain of mathematical models. Casale sees AI agents as useful for automating manual tasks but not as a revolution that will shift power from walled gardens.
- Andrew Casale, CEO of Index Exchange, discussed sell-side innovation, CTV transparency, and AI agents in an interview.
- Index Exchange processes around 20 million requests per second.
- Most of Index Exchange's CTV supply includes genre data; show and episode data are often kept for direct deals.
- ·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.
Compare their exact ecosystem overlaps.
Explore all deep relationships in Polaris7. Discover exactly which mutual clients, integrated technologies, and overlapping partners 33Across and Index Exchange share across the market ecosystem.
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