OpenX
S · Core PlatformsOpenX enables premium publishers to maximize advertising revenue through transparent, efficient programmatic technology while maintaining control over their inventory and ensuring brand-safe environments for advertisers.
Last updated Feb 8, 2026
- Industry
- Programmatic Advertising / Ad Exchange / SSP
- Business Model
- Marketplace
- Target Market
- Enterprise
- Employee Count
- 201-500
- Funding
- $150M+
- Revenue Range
- $100M-$250M
- Stock Symbol
- NASDAQ:OPENX
- Parent Company
- OpenX Technologies, Inc.
- API Available
- Yes
Market Position
Leading independent SSP and ad exchange serving premium publishers globally
Overview
OpenX is a leading independent programmatic advertising technology company that operates one of the largest ad exchanges globally. Founded in 2008, the company provides a comprehensive supply-side platform (SSP) and ad exchange that connects premium publishers with advertisers and demand-side platforms. OpenX specializes in helping publishers maximize their advertising revenue through real-time bidding, header bidding, and programmatic direct solutions across display, video, and mobile inventory. The company has established itself as a trusted partner for premium publishers seeking to monetize their digital content while maintaining control over their inventory and user experience. OpenX differentiates itself through its focus on transparency, brand safety, and quality inventory, serving thousands of publishers worldwide including many top-tier media companies. The platform processes billions of ad transactions daily and has been recognized for its innovation in areas like programmatic advertising, header bidding technology, and supply path optimization.
Products & Features
OpenX Ad Exchange
Real-time bidding marketplace connecting publishers with demand sources globally
OpenX SSP
Supply-side platform for publishers to manage and optimize their programmatic advertising inventory
OpenX Bidder
Header bidding solution enabling publishers to maximize yield through unified auctions
OpenX Video
Video advertising solutions supporting instream, outstream, and connected TV formats
OpenX Mobile
Mobile-optimized advertising solutions for app and mobile web inventory
Key Features
Real-time bidding (RTB)Header bidding integrationProgrammatic direct dealsSupply path optimizationAdvanced analytics and reportingYield optimization toolsBrand safety controlsFraud preventionMulti-format support (display, video, mobile, CTV)Private marketplace (PMP) capabilities
Use Cases
Premium publishers monetizing display advertising inventoryVideo content monetization across web and mobileMobile app advertising revenue optimizationConnected TV and OTT advertisingHeader bidding implementation for yield optimizationPrivate marketplace deals between publishers and advertisersProgrammatic direct campaigns
Customer Segments
Premium digital publishersMedia companiesNews and content websitesMobile app developersVideo content providersConnected TV platformsAd networksDemand-side platforms (DSPs)