Palantir Technologies(PLTR) reported Q1 2026 revenue of $1.63B, up 85% year over year, and raised full-year guidance to $7.65-$7.66B, extending an 8-quarter streak of beating both EPS and revenue estimates.
Yet, Palantir stock fell 7% as investors grapple with a trailing P/E of 232x and price-to-sales ratio of 78x that even strong growth struggles to justify.
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Shares of Palantir Technologies (NASDAQ:PLTR) are down 7% in midday trading Tuesday, changing hands near $136 after the company delivered a blowout Q1 2026 earnings report and raised full-year guidance overnight. The selloff comes despite a clear beat-and-raise quarter.
The move puts Palantir stock 23% lower year to date and well below its 52-week high of $207.52. PLTR shares are now trading under both the 50-day moving average of $145.4 and the 200-day moving average of $164.26.
Polymarket traders saw it coming. The daily direction market priced a 99% probability of a down day for Palantir on May 5, even after the earnings beat hit the wires.
Palantir reported Q1 2026 revenue of $1.63 billion, up 85% year over year, blowing past Wall Street estimates and extending the company's 8-quarter streak of beating both EPS and revenue. Management also lifted full-year guidance to $7.65 to $7.66 billion, reflecting accelerating demand for the Artificial Intelligence Platform (AIP).
Palantir's U.S. commercial business remains the engine. In Q4 2025, that segment grew 137% year over year to $507 million, and management has guided U.S. commercial revenue to grow at least 115% in fiscal 2026. CEO Alex Karp captured the mood last quarter, declaring Palantir's "Rule of 40 score is now an incredible 127%... We are an n of 1."
So why is Palantir stock dropping? With a trailing P/E ratio of 232x, a forward P/E ratio of 112x, and a price-to-sales ratio of 78x, even an 85% growth print struggles to justify the multiple. This is a textbook case of good news already priced into Palantir shares.
Broader market gains today are amplifying PLTR's stock-specific weakness, with peers in enterprise software and AI data analytics holding steady or trading higher. Snowflake (NYSE:SNOW), ServiceNow (NYSE:NOW), and Microsoft (NASDAQ:MSFT) all sport richly valued multiples, yet none trade at Palantir's price-to-sales premium. That gap is exactly what bears are pointing at on a day when sector sentiment is otherwise constructive.
Palantir insider behavior reinforces the caution. There have been 72 recent insider transactions for Palantir with a net selling direction, even as the analyst community remains split with 19 Buy ratings, 10 Holds, and 2 Sells. The Wall Street consensus PLTR price target sits at $180.68, leaving meaningful theoretical upside, but only if the multiple holds.
Some analysts remain firmly bullish on Palantir stock. The bulls can point to Rosenblatt's bullish $225 price target call from earlier today, which frames Palantir's ontology as the key infrastructure layer for enterprise AI adoption.
Reddit sentiment on Palantir has nudged from neutral to bullish, with a latest score of 60 driven by retail traders cheering the beat. Yet the composite PLTR stock prediction sentiment index sits at a more cautious 57.01, with a 7-day change of -5.54 points. The split tells the story: retail wants to buy the Palantir dip, while broader markets debate whether multiple compression has more room to run.
Watch for whether PLTR shares can hold the $130 support level that the prediction markets have flagged as a key downside line into Friday's close. Prudent investors may want to size their Palantir stock positions modestly here, given that asymmetric downside risk is the defining feature of any stock trading at 78x sales, regardless of how strong the underlying growth story remains.
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