CTV Is Less Transparent Than YouTube. That Should Alarm Everyone | AdExchanger

Monday, December 1st, 2025 – 12:35 am YouTube is more transparent than CTV. Let that sink in.  In 2025, the fastest-growing segment in programmatic media is now less transparent than the walled garden we have spent the last decade criticizing for opacity. And the consequences are already showing up in the market. Look where the major media companies landed this quarter. Disney reported declines in advertising revenue and slowing streaming growth. Comcast showed softness around Peacock. Paramount posted another difficult quarter with widening losses.  Behind closed doors, publishers are telling me that CTV spending is flattening, performance is plateauing and buyers are increasingly hesitant to push budgets further. The reason is not complicated. When buyers cannot see what they are buying, they cannot commit their spend with conviction. On YouTube, a buyer can see the channel title and the exact video where their ad ran (for 30% to 60% of impressions, on average). There is a foundation for measurement and brand safety. Across CTV, you get app-level reporting, and if you’re lucky, a genre label. A small handful of MVPDs offer channel- or network-level transparency. Show-level or program-level data is almost entirely withheld because most publishers fear buyers will cherry-pick
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