Observed Signal · Oct 29, 2026 · Market Signal · Source: PubMatic · Impact: 2/5
RunnTV Partners with PubMatic to Expand Advertiser Access to Premium Streaming Inventory in India
Press Release, October 29, 2026: RunnTV Partners with PubMatic to Expand Advertiser Access to Premium Streaming Inventory in India.
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Key Insights from PubAcademy NY: The Open Internet’s Performance Moment
PubMatic added a new blog post summarizing key insights from PubAcademy NY, focusing on the open internet's performance moment. Also added a post about BCN and PubMatic bringing agent-to-agent activation to Germany.
OpenAI Ad Deals With Magnite, PubMatic; Google Search Budgets Scrutinized
OpenAI is expanding its ChatGPT advertising business by partnering with supply-side platforms Magnite and PubMatic to fill unused ad space, following its playbook of opening up inventory to third parties before potentially walling it off, as seen with YouTube, Facebook, and Amazon. The partnerships add to OpenAI's existing ad-tech partners including LiveRamp, Criteo, StackAdapt, and Amazon Ads. Meanwhile, prediction markets like Polymarket and Novig are courting celebrity endorsements despite public skepticism. Additionally, ad buyers are reallocating 10-30% of Google search budgets to other channels due to AI Overviews reducing ad performance and higher CPCs, following Alphabet's earnings report showing a slowdown in search ad growth. Publicis completed its acquisition of LiveRamp, and OpenX appointed Robert Horler as CEO.
Video Quality Pricing: Experts Debate Ad Inventory Valuation
This article explores how quality criteria for video ad inventory influence media buying decisions, based on insights from six experts from agencies, streaming, and adtech ahead of the ADZINE CONNECT VIDEO event. Elisa Schwuchow (Scene Context) and César Masumbuku (Pubmatic) see viewability and technical delivery as 'table stakes', while context and content are key differentiators. Steffen Hopf (Index Exchange) and Omid Madani Rascado (StackAdapt) highlight pre-bid signals like supply path transparency and historical placement performance. A key issue is machine-readable quality: without proper labeling, premium inventory can be overlooked by algorithms. Scene Context reports that transparent inventory can achieve up to 40% higher bid rates. Jannis Poestges (Netflix) stresses that transparency must lead to better decisions, not just better reporting. Nico Heiland (Omnicom Media) argues that quality justifies a higher price only if it translates into better outcomes, though proving this remains challenging.
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