Why is ANET stock up today?

ANET is down 9.1% over five trading days, closing at $169.91 on Nov. 3, 2026. A move like this can come from the company itself or from a rally across its sector.

Below, we compare ANET with its closest peers, check upcoming earnings and Fed dates, and look at what Arista Networks, Inc.'s insiders and SEC filings show.

The chart below tracks ANET's daily closing price from May 8, 2026 to Nov. 3, 2026. Over that stretch it is up 19.8%, from $141.77 to $169.91, with a high of $216.74 on Oct. 9, 2026 and a low of $136.43 on May 11, 2026. Each red circle marks a week in which company insiders sold shares on the open market (21 weeks in this period; bigger circles mean more money). There are no green diamonds: no insider bought on the open market in this window.

What could be behind the ANET move

We found no Arista Networks, Inc. earnings report within the last 10 days or next three weeks, and no notable SEC filing in recent weeks, so nothing company-specific on the public record explains the move on its own.

Across the broader market, the backdrop is an uptrend under stress, with the VIX volatility index at 21.15. The Federal Reserve's next rate decision is on Dec. 9, 2026, 35 days away; market pricing puts the odds at 24% for a hold, 75% for a hike and 1% for a cut.

Also worth knowing about ANET

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

In Arista Networks, Inc.'s own words

“Arista registered another momentous quarter with the highest year-over-year revenue growth since our IPO and record profitability, surpassing even my high expectations”

— Jayshree Ullal, Chairperson and CEO of Arista Networks · SEC filing

From the company's earnings release filed with the SEC on 2026-11-03 (Form 8-K).

What would change the picture for ANET

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

• Insider buying: none on the open market in 90 days. A purchase by an executive or director would be the first in at least three months, and it would show up on SEC Form 4 within two business days.
• Analyst ratings: the average score moved from 4.18 to 4.2 over three months (on a scale where 5 is strong buy and 1 is strong sell). A run of downgrades after earnings usually shows up here first.
• Price levels: a close above $216.74 would be a new 52-week high, 27.6% above the latest close of $169.91; a close below $116.13 would be a new 52-week low, 31.7% below it.
• Growth: revenue rose 32.6% year over year in the quarter ending Jun 2026 (trend: accelerating). At a P/E of 53.6, a slowdown would matter more than at a lower multiple.
• New shares: dilution risk is low now. A new shelf registration (S-3) or a prospectus supplement (424B) for an offering would raise it.

ANET history: what happened after similar moves

Since 2023, ANET fell 17.9% or more in a month 5 times (separate episodes, not counting the current one). Three months later it was higher in 4 of 5 cases; the median change was +25.9%.

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

Questions people also ask

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

Over the past year ANET closed as high as $216.74 and as low as $116.13. At $169.91 (Nov. 3, 2026) it is down 21.6% from the high and 46.3% above the low.

Do analysts think ANET is a buy?

33 of the 35 analysts who cover Arista Networks, Inc. rate it a buy or strong buy, for a consensus of Buy. Ratings describe analysts' views, not a guarantee, and they change after earnings.

Is Arista Networks, Inc. issuing new shares?

Dilution risk reads low (0/100); the share count rose 0.3% in a year.

Is Arista Networks, Inc. profitable?

Yes. Arista Networks, Inc. had $10.5 billion of revenue over the last 12 months with a net margin of 38.4% and a P/E of 53.6.

Who is the largest shareholder of ANET?

Among investment managers that file Form 13F, BlackRock Inc. reported the largest ANET position ($15.5 billion). 2239 institutions reported holding ANET for Q2 2026.

Are ANET insiders buying or selling?

Insiders sold $843.5 million of ANET on the open market in 90 days and bought none. Sales are often routine (taxes, diversification, pre-planned plans); purchases with their own money are the stronger signal.

Dates to watch for ANET

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.

Form 13F

A quarterly SEC report listing the U.S. stock holdings of every investment manager with more than $100 million. It is due 45 days after each quarter ends, so it shows positions with a delay.

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).

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 through Nov. 3, 2026; changes use 5, 21 and 63 trading days; the 52-week range uses the last 252 closes.
• Insider trades: SEC Form 4 filings for the last 90 days, counting 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 35 analysts, compared with three months ago.
• Earnings dates and estimates: a market-data calendar; reported vs expected EPS for the last 4 quarters.
• Valuation and growth: revenue, earnings, margins and share counts 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) over two years, scored 0-100.
• History: 21-trading-day moves over about three years of daily closes, counted once per episode.