Published on: 2026-03-06
The Trade Desk (TTD) surged in the latest U.S. session following reports that OpenAI held early talks with The Trade Desk about helping sell ads on ChatGPT, and renewed attention on insider buying by CEO Jeff Green.
TTD stock closed around $29.79, up roughly 18% on the day, after trading as high as $32.89 with very heavy volume. The move matters because TTD has been one of the most bruised large-cap ad-tech names over the past year, and the stock was starting from a depressed base.
The rally was real, but the comeback case is not automatic. The OpenAI story is in its early stages, and TTD still needs to demonstrate that growth and confidence can stabilize beyond a single day of re-rating.
As mentioned above, TTD stock jumped mainly because investors saw a new, high-profile growth angle: OpenAI is testing ads in ChatGPT, and OpenAI held early talks with The Trade Desk about helping to sell those ads.
The rally also gained strength because CEO Jeff Green disclosed large open-market buying across several days, which many investors read as a confidence signal after a long decline.
Key Drivers Behind Today's Move
OpenAI ad sales talks (reported, early-stage): potential access to new ad inventory and budgets.
OpenAI is already testing ads in ChatGPT: The theme is no longer just a theory.
CEO insider buying: Form 4 filings indicate purchases that increased the total shares acquired to 6,000,000 through a limited partnership, at weighted-average prices in the mid-$20s.
Positioning and short-covering: the stock had fallen hard, so positive news can spark fast buying.
Today's increase may seem significant, but it is important to consider the context. The stock is rebounding from a much lower level than it traded at in mid-2025.
Here is a clean snapshot using closing prices:
| Period | Start close | Latest close | Move |
|---|---|---|---|
| 1 week | $23.82 (Feb 27, 2026) | $29.79 (Mar 5, 2026) | +25.1% |
| 1 month | $26.24 (Feb 5, 2026) | $29.79 (Mar 5, 2026) | +13.5% |
| 6 months | $52.07 (Sep 5, 2025) | $29.79 (Mar 5, 2026) | -42.8% |
The main point is clear: despite today's rally, TTD stock remains well below its six-month high.
There are two separate facts that the market is linking together.
OpenAI announced on February 9, 2026, that it will begin testing advertisements in ChatGPT for logged-in adult users in the U.S. This feature will be available for those on the Free and Go tiers, while paid tiers like Plus and Pro will remain ad-free.
The company emphasized that ads will not affect ChatGPT's responses and that user conversations will remain private from advertisers. Advertisers will only receive aggregate performance data.
The Information reported that OpenAI held early talks with The Trade Desk about helping to sell ads, and major market outlets summarized the story as a potential partnership discussion tied to ChatGPT ad inventory.
Important detail: "Early talks" is not a contract. It is not even a confirmed partnership. It is a report about discussions.
The OpenAI headline alone would have lifted the stock, but the "credibility boost" came from insider buying.
A Form 4 filing reveals that there were share purchases on March 2, March 3, and March 4, totaling 6,000,000 shares, which are held indirectly through a limited partnership.
While insider buying does not guarantee an improvement in fundamentals, it can change the psychology of a heavily shorted stock. It may compel bearish investors to recognize the potential for a shift in sentiment.
A comeback is not one green day. A comeback is a change in the story and the numbers. To determine whether this is a genuine comeback, we must connect the OpenAI narrative to TTD's foundational business.
In its FY2025 and Q4 results release, TTD reported:
Q4 revenue: $847 million
FY2025 revenue: $2.896 billion
Q4 adjusted EBITDA: $400 million (47% margin)
FY2025 adjusted EBITDA: $1.196 billion
Customer retention: above 95% (for the year, and a long-running trend)
Those are not "broken business" numbers. They are "great business, challenged expectations" numbers.
TTD guided for Q1 2026 revenue of at least $678 million and adjusted EBITDA of approximately $195 million.
The revenue outlook came in below a FactSet-tracked expectation of $689 million, which is a key reason sentiment had been so fragile before today's rally.
Here are the practical checkpoints you should look for:
Right now, the OpenAI angle is mostly "possibility." If OpenAI confirms a partner-led selling model, that could support a higher valuation.
If OpenAI chooses to build its own ad stack quickly, the upside for TTD could be smaller than the market hopes.
TTD's most recent company release shows it delivered $2.896 billion in 2025 revenue (GAAP), up from $2.445 billion in 2024, and it remained profitable.
However, the market has focused heavily on the pace of growth and on forward guidance.
In its February 25, 2026, release, The Trade Desk gave a first-quarter 2026 outlook of:
Revenue of at least $678 million
Adjusted EBITDA of approximately $195 million
Whether the market treats that as conservative, realistic, or weak will shape the next multi-week trend.
Any confirmation or denial of a formal OpenAI partnership structure.
Evidence of expanding OpenAI ad pilots, including additional partners or broader rollout beyond Free and Go users.
TTD's next earnings date is in May 2026, and the guidance tone will matter as much as results.
No. The OpenAI story was the main catalyst, but the rally also followed disclosure of major insider buying by CEO Jeff Green, which strengthened the market's confidence in the move.
There is no confirmed partnership announcement. The reporting describes early talks, and the value to TTD depends on whether those talks become a real commercial relationship.
Momentum indicators display RSI near 70, which often signals strong short-term momentum and the risk of near-term pullbacks. It does not guarantee a drop, but it does raise the odds of volatile trading.
In conclusion, TTD stock surged on discussions about OpenAI ads, which represents a credible shift in narrative. It is because OpenAI is already testing advertisements in ChatGPT and is clearly open to collaborating with ad tech partners during this pilot phase.
Still, a comeback is not guaranteed. A comeback is a sequence of quarters where revenue growth and guidance credibility stabilize, and where product execution, including Kokai and identity tooling, translates into durable customer outcomes.
Disclaimer: This material is for general information purposes only and is not intended as (and should not be considered to be) financial, investment or other advice on which reliance should be placed. No opinion given in the material constitutes a recommendation by EBC or the author that any particular investment, security, transaction or investment strategy is suitable for any specific person.
