CTV advertising and marketing is expanding, with the network expanding by 13 % in 2025 to $ 26 6 billion and projected to hit $ 51 billion by 2029

In this setting, you ‘d anticipate to see sustained overperformance from The Trade Workdesk, a CTV aggregator with video representing a high- 40 s percentage of its service. However, for time currently, TTD has just seasoned slowdown.

Meanwhile, Amazon’s ad business is retreating.

This divergence discloses exactly how buy-side top priorities in the CTV market are shifting. Advertisers have grown careful of how The Profession Desk gains margin, where its algorithm guides stock and exactly how these approaches compete with buyer goals.

The growth gap informs the story

TTD’s descending fad started in 2024, when CTV ad invest expanded by 16 %

After averaging 26 % growth via the first 3 quarters of 2024, TTD’s Q 4 growth slowed down to 22 %, causing the company infamously missing its very own profits assistance for the first time in 33 quarters. Extra concerning, TTD’s Q 1 2025 advice of 17 % development stood for a substantial slowdown.

Amazon, by contrast, kept 19 % marketing development in Q 3 2024 on a base of 10s of billions. Executives attributed DSP enhancements, much deeper CTV collaborations with Roku and Disney and first-party target markets throughout Prime Video, Fire TV and live sports.

Fast-forward to today: Amazon reported 23 % YOY advertisement revenue growth in Q 4 2025, exceeding CTV market growth by 10 %.

Yet The Profession Desk reported simply 14 % growth in Q 4 And its Q 1 2026 assistance jobs a 10 % development rate, proceeding its down pattern.

The rates problem

This divergence doesn’t just boil down to Amazon’s dimension, its first-party data benefit or that it has its very own retail media and CTV stock to market. Competitors between the two business has also revealed problems in The Profession Workdesk’s margin-based earnings design.

TTD’s legacy model flourished when platform charges might be buried in CPMs. For much of programmatic’s history, reconciliation from UI to invoice hasn’t always been apparent. Triggering functions within a DSP frequently developed incremental charges without clear disclosure. Regulatory authorities and innovative buyers currently call a few of these methods “scrap fees” and “dark patterns.”

The Trade Workdesk released its OpenPath direct-to-publisher links as a transparency play: By cutting out intermediary take rates, the DSP might return that effectiveness to purchasers.

Yet, in late 2024, TTD introduced a 4 5 % publisher charge for OpenPath supply. On each OpenPath impression, TTD currently collects its buy-side system fee (a portion of CPM usually in the mid-teens), the 4 5 % publisher fee and a Predictive Cleaning bid-shading fee credited the purchaser (which is embedded in the CPM, typically absent from contract and billing). The DSP likewise charges different fees for various other information, identification or dimension attachments.

Simply put, TTD makes earnings on both sides of the deal. And the rise in demand moving to OpenPath since TTD branded all SSPs as “resellers” in August looks like algorithm guiding from the buy side.

TTD locked in this mathematical prejudice with the launch of its AI-driven Performance Setting, which activates OpenPath prioritization and Anticipating Clearing up by default. Buyers can adjust customized setups utilizing the platform’s Control Setting, however, if they do, they need to pay extra costs to gain access to Performance Mode deal packages.

It’s not a coincidence that these platform changes coincided with TTD’s reported Q 4 EBITDA margin of 47 % and an effective take rate of regarding 21 %.

Amazon is selling a various tale: substantial authenticated reach, trillions of first-party signals and no costs on first-party programmatic assured offers.

When one system’s 20 +% take rate gives it a reputation as “The Cha-Ching Workdesk” and the other is selling value at scale, the CTV bucks will tilt as necessary.

WPP and Dentsu exited OpenPath over issues regarding economics and opacity. And because larger DSP margins compound right into higher customer-acquisition prices and weak ROAS, don’t be stunned if various other companies do the same.

Details asymmetry is falling down

For many years, the core advantage in ad tech was details crookedness: Whoever best recognized the public auction mechanics, fee framework and log data had the most power.

That benefit is evaporating. Business advertisers, that are moving thousands of millions from direct TV to programmatic CTV, are asking better inquiries and sharing experiences. AI tools now rest on every media buyer’s desktop, ready to highlight hidden costs, fix up billings and redline MSAs. The bridge from contract language to platform habits to P&L influence is coming to be machine-readable.

When transparency ends up being commoditized, opaque business economics shift from function to liability.

In this brand-new fact, The Profession Desk’s moat won’t be a black-box quote engine. Rather, it must focus on calculated advisory and solution where it’s truly separated. And it ought to pivot towards dealing with agreement clearness as a first-rate item attribute.

What this indicates for the market

While TTD’s growth is stalling, CTV advertising and marketing isn’t decreasing. Digital video clip recorded almost 60 % of all TV advertisement spend in 2025 The opportunity is huge.

But market growth doesn’t immediately translate to symmetrical share.

The path onward isn’t complicated. Systems must reveal all charges at the point of activation and on billing line items, not buried in a CPM.

For TTD, right here are a couple of pointers: Surface area Anticipating Clearing pricing transparently in billings. Permit buyers to take care of Efficiency Mode setups without being pressed into Control Mode, where fees compound. And be more open not practically supply-chain top quality however the margins baked right into programmatic offers.

The Profession Workdesk can transform its deceleration trend around. It has genuine assets to take advantage of: 95 %+ consumer retention, strong solution partnerships and scaled relationships on both sides of the supply chain.

Those are differentiators worth spending for– as long as CTV purchasers genuinely recognize the expenses.

On TV & Video is a column exploring chances and difficulties in advanced TV and video clip.

Comply with Sarah Caputo and AdExchanger on LinkedIn.