The Trade Desk enters September with short sellers still firmly in control — yet the stock managed a 4% recovery this week, creating a rare moment of tension between a crowded short book and a tentative price rebound.
Short interest is running at 18.5% of the free float, up 4.2% on the week and 10.7% over the past month. Bears have been adding steadily since early August, when shares collapsed 27% after Q2 earnings. Roughly 81.4 million shares are currently sold short — a level that was barely 73.6 million in late July. The borrow market, however, remains relaxed. Availability is near 638%, well into normal territory, and the cost to borrow has doubled from last week's trough but remains negligibly cheap at 0.50% annualised. That combination — heavy short interest, easy availability, low cost — tells the story of a stock where bears are positioned but not under pressure. There is no squeeze dynamic here.
Options traders are pointing in a different direction. The put/call ratio has dropped to 0.39, its lowest reading of the past year and meaningfully below its 20-day average of 0.41. That's a shift away from hedging and toward call activity — more bullish than the short book would suggest. It is a contrast worth noting: shorts are rebuilding, but options participants appear less interested in downside protection than at any point in the last 12 months.
The analyst community has already delivered its verdict on the Q2 miss. The wave of target cuts and downgrades landed in the days following the August 7 print. DA Davidson dropped its rating to Neutral. Citigroup cut to Sell with a $11 target. HSBC initiated at Reduce. Several firms that held Buy ratings — including UBS and Needham — maintained their constructive stance but slashed targets by 40-50% into the $16-$19 range. The mean target now sits near $13.39, barely a discount to the current $13.78 price. That's a Street that sees limited further downside but also no consensus catalyst for a re-rating. The bear case centres on macro pressure squeezing ad budgets, intensifying competition in programmatic, and a leadership transition that has reduced management credibility. Bulls point to 3Q26 guidance of over $650M revenue and roughly $160M adjusted EBITDA as evidence the business hasn't broken — just repriced.
Valuation has reset sharply. The EV/EBITDA multiple has risen roughly 3.3 turns over the past 30 days as the stock fell faster than earnings estimates moved, while the price-to-book has compressed to 2.1x — a fraction of where TTD traded a year ago. The forward EPS growth factor score ranks in the 95th percentile of the universe, reflecting a base effect from the earnings shock rather than genuine acceleration. EPS surprise, at the 30th percentile, captures the other side of that story: the company has been consistently missing. The ORTEX short score of 56.7 has been stable all week, suggesting no fresh information is driving incremental short positioning beyond the structural view.
The most notable ownership move in the 13D/G register is The Vanguard Group's exit — the firm went from a 12.27% disclosed stake to zero in a filing dated March 2026, while Vanguard Capital Management and Vanguard Portfolio Management filed separately as successor entities. State Street disclosed a jump to 10.4% from 7.1%, while Baillie Gifford reduced to near zero from 5.1%. The register reflects a significant reshuffling among the largest passive holders in the months following the initial stock decline. Jeffrey Green, founder and CEO, retains roughly 11.3% as last disclosed in May 2026, keeping founder-alignment intact despite the drawdown.
The next scheduled earnings release is November 6. Between now and then, the shape of 3Q digital advertising spending — particularly in CTV and retail media — will be the variable that either validates or undermines the guidance management issued in August.
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