ANET options flow: unusual options activity in Arista Networks, Inc.
Updated 28 September 2026, 09:54 ET
Over the last week the tape recorded 143 unusual options prints in Arista Networks, Inc. (ANET), $13.1M of tracked premium, close to even between bullish and bearish premium. Bullish premium was $5.2M against $5.9M bearish; $8.5M went into calls and $4.6M into puts, a put call ratio of 0.54. The largest print was $1.7M of ANET 21 Jan 2028 $160 puts on 21 September 2026, executed above ask. The last session with prints, 28 September 2026, added 1 print and $26K of premium. ANET closed at $206.55 on 25 September 2026, up 0.4%.
This week's unusual flow
Prints from 21 September 2026 to 28 September 2026, 6 sessions. Delayed tier: every print is shown twenty minutes after it executed, and the page is rebuilt after each session.
Net premium is bullish minus bearish premium. The put call ratio is put premium divided by call premium, weighted by money rather than by contract count. Sweeps is the share of prints executed across several exchanges at once. Read the guide: Reading the Pulse.
Largest prints of the week
| Date | Contract | Type | Size | Open int. | Premium | Execution | Sentiment | Tier |
|---|---|---|---|---|---|---|---|---|
| 21 Sep 2026 | ANET 21 Jan 2028 $160 puts | Trade | 750 | 280 | $1.7M | Above ask | Bearish | Whale |
| 23 Sep 2026 | ANET 21 Jan 2028 $270 calls | Trade | 250 | 370 | $830K | At ask | Bullish | Notable |
| 25 Sep 2026 | ANET 25 Sep 2026 $200 calls | Trade | 600 | 1,610 | $621K | At bid | Neutral | Notable |
| 21 Sep 2026 | ANET 20 Nov 2026 $220 puts | Sweep | 197 | 33 | $529K | At ask | Bearish | Whale |
| 23 Sep 2026 | ANET 18 Dec 2026 $120 calls | Sweep | 44 | 146 | $365K | At bid | Bearish | Notable |
| 24 Sep 2026 | ANET 17 Jun 2027 $170 puts | Trade | 200 | 444 | $355K | At bid | Bullish | |
| 21 Sep 2026 | ANET 15 Jan 2027 $60 calls | Trade | 20 | 240 | $286K | At bid | Bearish | |
| 23 Sep 2026 | ANET 19 Mar 2027 $165 puts | Trade | 230 | 299 | $272K | At ask | Bearish | Notable |
| 21 Sep 2026 | ANET 16 Oct 2026 $207.50 calls | Trade | 279 | 0 | $271K | At ask | Bullish | High conviction |
| 21 Sep 2026 | ANET 21 Jan 2028 $150 calls | Trade | 30 | 564 | $251K | At bid | Bearish | |
| 25 Sep 2026 | ANET 15 Jan 2027 $230 calls | Sweep | 150 | 761 | $247K | At ask | Bullish | Notable |
| 22 Sep 2026 | ANET 16 Oct 2026 $150 calls | Sweep | 40 | 113 | $224K | At bid | Bearish | Notable |
Size above open interest means the trade opened a position larger than everything that existed in the contract the night before. Above ask and below bid are the most aggressive executions. Read the guide: Size versus open interest.
Where the money is aimed
| Expiry | Prints | Premium | Calls share | Net premium |
|---|---|---|---|---|
| 21 Jan 2028 | 19 | $3.8M | 46% | -$1.0M |
| 16 Oct 2026 | 22 | $1.9M | 93% | +$761K |
| 15 Jan 2027 | 21 | $1.6M | 81% | -$164K |
| 20 Nov 2026 | 14 | $1.1M | 32% | -$399K |
| 25 Sep 2026 | 11 | $1.1M | 98% | +$268K |
| 17 Jun 2027 | 16 | $1.1M | 66% | +$305K |
The most premium, $3.8M, is aimed at the 21 Jan 2028 expiry; the nearest expiry with unusual prints is 25 Sep 2026.
A print in a contract expiring this week is a view about the next few days, often about a known event; a print months out is a different kind of statement. Read the guide: 0DTE options flow.
The last session, 28 September 2026
| Date | Contract | Type | Size | Open int. | Premium | Execution | Sentiment | Tier |
|---|---|---|---|---|---|---|---|---|
| 28 Sep 2026 | ANET 21 Jan 2028 $135 puts | Trade | 20 | 890 | $26K | At ask | Neutral |
Every print in ANET with its full detail, the live tape, one tap filters and saved screeners: open ANET in Options Sentiment Screener.
Price
The live quote and the price chart sit beside the ticker's flow in the app: open ANET in Options Sentiment Screener.
Analysts
The most recent analyst targets on file, from 15 firms, have a median of $250, 21.0% above the last close.
Calls bought at a strike above the average target are a bet that the analysts are too cautious; puts far below the price in a name they like are protection or a strong disagreement. Read the guide: Reading one ticker's flow.
About Arista Networks, Inc.
- Exchange
- NYSE
- Sector
- Information Technology
- Industry
- Computer Hardware
- Headquarters
- SANTA CLARA, California
- Website
- arista.com
Arista Networks, Inc. develops, markets, and sells cloud networking solutions in the Americas, Europe, the Middle East, Africa, and Asia-Pacific. The company provides post contract customer support services, such as technical support, hardware repair and parts replacement beyond standard warranty, bug fix, patch, and upgrade services.
In the same sector
Flow pages for other Information Technology names in the S&P 500:
NVDA NVIDIA Corp.AAPL Apple Inc.MSFT Microsoft Corp.AVGO Broadcom Inc.MU Micron Technology Inc.AMD Advanced Micro Devices Inc.INTC Intel Corp.PLTR Palantir Technologies Inc.
Learn
- What unusual options activity means
- Reading one ticker's flow
- Sweeps, blocks and where a trade printed
- Size versus open interest
- Bullish or bearish, how a print's sentiment is inferred
- The conviction score and whale prints
The live tape for ANET with every print's execution detail, one tap filters for calls, puts, sweeps and 0DTE, saved screeners and, for Realtime subscribers, push alerts and no delay. The same screen is in the iOS and Android apps.
Open ANET in Options Sentiment Screener