Why is PLTR stock down?

PLTR fell 11.0% over five trading days, closing at $186.03 on Oct. 16, 2026. A drop like this raises one question: is the issue the company or the whole group it trades with?

We answer that by comparing PLTR with its closest peers. We also check the calendar for earnings and Fed dates. Finally, we review Palantir Technologies Inc.'s latest SEC filings and insider trades.

The chart below tracks PLTR's daily closing price from April 22, 2026 to Oct. 16, 2026. The stock is up 21.9% over that span, rising from $152.62 to $186.03. It hit a high of $209.05 on Oct. 9, 2026 and a low of $107.27 on June 25, 2026. Red circles mark weeks when insiders sold shares on the open market. There were 14 such weeks, and bigger circles mean more money. No green diamonds appear, so no insider bought on the open market in this window.

PLTR vs peers this week

The table below compares PLTR with its peers this week. Over 5 days, MSFT posted the best result at -1.1%, while AMD posted the worst at -13.0%. PLTR ranks 6 of 7.

What could be behind the PLTR move

Earnings are due on Nov. 2, 2026, in 14 days. Stocks often move ahead of reports.

The broader market shows an uptrend under stress. The VIX volatility index stands at 16.46. The Federal Reserve's next rate decision is on Oct. 28, 2026, 9 days away. Market pricing puts the odds at 85% for a hold, 14% for a hike and 1% for a cut.

Also worth knowing about PLTR

Live PLTR data, updated every 30 minutes: PLTR insider trades, ownership and filings →

In Palantir Technologies Inc.'s own words

“Demand for AI sovereignty has now been unleashed. And Palantir is the only company that has demonstrated it can transform tokens into actual economic value. Our customers trust us to provide them with maximal control over their operations, data, and decisions. Their competitive advantage should never become the training data for future models. This quarter was otherworldly: our U.S.”

— Alex Karp, Co-Founder and Chief Executive Officer of Palantir Technologies · SEC filing

From the company's earnings release filed with the SEC on 2026-08-03 (Form 8-K).

What would change the picture for PLTR

These are the specific events and levels to watch. None of them is a prediction.

• The Nov. 2, 2026 earnings report is 14 days away. Palantir Technologies Inc. beat estimates in all 4 of the last 4 quarters, with an average surprise of +15.1%. A miss would break that pattern.
• An open-market purchase by an insider at Palantir Technologies Inc. would appear on Form 4 filings within two business days. There has been none in 90 days.
• Analyst ratings: the average score moved from 3.92 to 3.95 over three months. The scale runs from 5 for strong buy to 1 for strong sell. A run of downgrades after earnings usually shows up here first.
• Price levels: a close above $209.05 would mark a new 52-week high, 12.4% above the latest close of $186.03. A close below $107.27 would mark a new 52-week low, 42.3% below it.
• Growth: revenue rose 78.9% year over year in the quarter ending Jun 2026, and the trend is accelerating. At a P/E of 160.4, a slowdown would matter more than at a lower multiple.
• New shares: dilution risk is low now. A new shelf registration (S-3) or prospectus supplement (424B) for an offering would raise it.

How PLTR compares with its peers

Over the past month PLTR ranks 1 of 4 in this group (+5.6%); the best was PLTR (+5.6%) and the weakest BBAI (-23.9%).

A dash in the P/E column means the company lost money over the last 12 months. It has no P/E.

PLTR history: what happened after similar moves

Since 2023, PLTR rose 5.6% or more in a month 26 times (separate episodes, not counting the current one). Three months later it was higher in 19 of 24 cases; the median change was +26.4%.

Past moves don't predict the next one; they show how volatile the stock has been.

Questions people also ask

What is PLTR's 52-week high and low?

Over the past year, PLTR closed as high as $209.05 and as low as $107.27. At $186.03 on Oct. 16, 2026, the stock is down 11.0% from the high and 73.4% above the low.

Do analysts think PLTR is a buy?

Of the 39 analysts covering Palantir Technologies Inc., 28 rate it a buy or strong buy. The consensus is Buy. Ratings describe analysts' views, not a guarantee, and they change after earnings.

Is Palantir Technologies Inc. profitable?

Yes. Palantir Technologies Inc. had $6.2 billion of revenue over the last 12 months. Its net margin was 49.0%, and its P/E was 160.4.

Are PLTR insiders buying or selling?

Insiders sold $103.5 million of PLTR on the open market in 90 days and bought none. Sales are often routine, tied to taxes, diversification or pre-planned plans. Purchases made with their own money are the stronger signal.

Is Palantir Technologies Inc. issuing new shares?

Dilution risk reads low at 0/100. The share count rose 0.2% in a year.

Does PLTR pay a dividend?

Palantir Technologies Inc. reported no dividend payments over the last 12 months in its SEC filings.

Dates to watch for PLTR

Insider trades can come any day: they must be filed on Form 4 within two business days.

Key terms on this page

P/E ratio

Price divided by the last 12 months of earnings per share. A P/E of 20 means investors pay $20 for each $1 of yearly profit. It is only defined when the company is profitable.

Form 4

The SEC form a company's officers, directors and 10% owners must file within two business days of buying or selling its stock.

Open-market trade

A purchase or sale on the exchange at the market price, paid with the insider's own money (code P or S on Form 4), as opposed to option exercises, grants or gifts.

Dilution

When a company issues new shares, each existing share owns a smaller piece of the company. Common sources: stock offerings, convertible debt and large stock-based pay.

Form 8-K

The SEC form for material events between quarterly reports: earnings releases, deals, executive changes, stock offerings and similar news.

52-week high / low

The highest and lowest daily closing price over the past year (about 252 trading days).

Analyst consensus

The average of Wall Street analysts' ratings (strong buy to strong sell). Analysts skew positive, so a hold is often read as a cautious view.

Where these numbers come from

Every number on this page is computed from the data when the page is refreshed (usually daily); nothing is typed in by hand. This is information, not investment advice.

• Price: daily closing prices run through Oct. 16, 2026. Changes use 5, 21 and 63 trading days. The 52-week range uses the last 252 closes.
• Insider trades: SEC Form 4 filings cover the last 90 days. The count includes only open-market purchases (code P) and sales (code S). Option exercises, grants, gifts and filings with data errors are left out.
• Analyst ratings: counts of current ratings from 39 analysts, compared with three months ago.
• Earnings dates and estimates: a market-data calendar shows reported vs expected EPS for the last 4 quarters.
• Valuation and growth: revenue, earnings, margins and share counts come from the company's SEC filings (XBRL data, latest quarter Jun 2026). P/E and price/sales use the latest close.
• Fund ownership: SEC Form 13F filings for Q2 2026.
• Dilution: share-count changes and offering-related SEC filings (shelf registrations, prospectus supplements, convertible notes) are tracked over two years and scored 0-100.
• History: 21-trading-day moves over about three years of daily closes, counted once per episode.