Observed Signal · Mar 12, 2026 · Research Report · Source: https://martechseries.com/feed/ · Impact: 3/5 · Sentiment: Negative
CTV Performance Plummets Due to Transparency Issues
Peer39 released an industry report, “How CTV Transparency Is Dragging Down Performance,” concluding that signal poverty—not scale—is the primary constraint on Connected TV (CTV) effectiveness. The analysis finds roughly 60% of CTV bid requests lack usable program-level data and estimates more than 25% of open-exchange CTV supply is “Fake CTV” (inventory sold as CTV but delivered on mobile, wallpaper, screensavers or utility TV apps). Peer39 shows that reliance on app-level buying, Deal IDs and completion rates masks content variability and risk, while program-level authentication produces TV-like content mixes and better outcomes. The report recommends transparency audits, redesigned publisher deals, “no tech, no buy” standards for open-exchange CTV, and shifting success metrics from completion rates to authenticated reach and program-level pre-bid signals.
The report reveals structural signal and quality issues in CTV (high share of signal-poor bid requests and 'Fake CTV') that affect measurement, programmatic buying, and campaign performance—important for buyers, publishers, and ad-tech vendors though not a platform policy change.
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Key Takeaways & Evidence Grounding
- Peer39 published a report titled "How CTV Transparency Is Dragging Down Performance."
- Peer39’s analysis shows approximately 60% of CTV bid requests contain no usable program-level data.
- Peer39 estimates more than 25% of open-exchange CTV supply is "Fake CTV"—inventory sold as CTV but appearing on mobile, wallpaper, screensavers, or utility TV apps.
- The report finds that buyers relying on proxies (app names, Deal IDs, completion rates) face hidden risk and misleading signals.
- Using program-level pre-bid signals and authenticated CTV environments increases scale, reduces effective CPMs, and improves performance versus opaque curated PMP strategies.
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Signal vs Static: True CTV Transparency
At Marketecture Live III in New York City, Mario Diez (CEO, Peer39) and David Nyurenberg (SVP, InterMedia Advertising) discussed the biggest challenge in Connected TV (CTV): a lack of signal transparency. They argued that missing or inconsistent bidstream data leaves roughly 60% of CTV inventory 'blind', which reduces optimization, commoditizes premium inventory, and produces misleading metrics (e.g., completion rates without content-level context). Backed by research and case studies, the speakers recommended richer content-level signals, supply-path optimization that prioritizes signal quality over lowest cost, publishers sharing more data, and industry-wide collaboration to improve signal standards. They also noted issues from UGC and misclassification and presented a case study showing full transparency can drive better campaign results even at higher CPMs.
CTV Show-Level Data Glut Fails to Deliver Optimization Control
While CTV buyers increasingly demand show-level transparency, a new IAB report shows 43% lack confidence in inventory. Despite progress in show-level reporting, true program-level optimization remains elusive. Publishers and exchanges offer data, but limitations persist: incomplete bidstream signals, "unknown" titles, and lack of scaled optimization solutions. Privacy laws like VPPA, combined with household-level data, complicate sharing. Linear TV offers program-level control by design, while CTV faces a gap between reporting and active optimization. Buyers can receive post-campaign reports but can't programmatically target individual shows at scale, except via programmatic guaranteed deals. The industry is working toward compliant, scaled optimization, but meaningful progress is still needed.
CTV's Real Divide: Quality Control, Not PMP vs Open Market
This analysis argues that the primary divide in Connected TV (CTV) buying is not private marketplace (PMP) versus open market, but the presence or absence of quality controls. Streaming now accounts for 47.5% of US TV viewing and roughly the same share of programmatic ad spend, yet buyers worry about fraud and viewability. The piece cites industry findings — including ANA and DoubleVerify-linked data — showing heavy reliance on PMPs (99.2% of programmatic CTV spend) and marketer concerns (63% struggle to verify real viewers; 57% worry about fraud). The author contends that with safeguards such as pre-bid filtering, app-level verification, and supply-chain validation, open market performance can approach PMP outcomes. The recommended durable solution is a pre-bid supply-intelligence layer that classifies inventory and enforces defaults to let buyers control quality without over-relying on opaque curation or blended PMP packages.
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