Information Technology

Arista Networks (ANET) options and signal

Figures as of 28 Sep 2026

ANET is Arista Networks, an Information Technology name the model ranks every trading day. The options figures are from the close on 28 Sep 2026. The model's figures are from 25 Sep 2026, one trading day behind the latest, as the Free plan shows them. Every model figure is paper trading.

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At a glance

Figure	Value	Date
IV rank	80 of 100	28 Sep
At the money IV	50.3%	28 Sep
Priced move to 30 Oct	14.4% down, 15.6% up	28 Sep
Call wall and put wall	220 and 190	28 Sep
Signal and the desk's view	No signal, view bullish	25 Sep
Last close	204.92	28 Sep
Next report	3 Nov 2026	28 Sep

Options Snapshot

ANET's IV rank is 80 of 100 on 28 Sep 2026.

Figure	Value
IV rank	80 of 100
At the money IV	50.3%, near month, 32 days
Put/call ratio, open interest	0.67
Call open interest, strikes captured near the price	111,000 contracts
Put open interest, strikes captured near the price	74,400 contracts
Cost to trade at the money	Fair, 15.3% of the option's mid price

IV rank is where the at the money IV sits among ANET's own weekly readings, 0 the lowest and 100 the highest.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Priced Range

On 28 Sep 2026, ANET options priced a move of 14.4 percent down and 15.6 percent up by 30 Oct 2026.

Expiry	Days	Down	Up	Range
2 Oct 2026	4	5.1%	4.9%	194.42 to 215.02
9 Oct 2026	11	8.0%	7.9%	188.52 to 221.02
23 Oct 2026	25	12.3%	14.0%	179.72 to 233.62
30 Oct 2026	32	14.4%	15.6%	175.42 to 236.82
20 Nov 2026	53	19.6%	20.4%	164.82 to 246.82
18 Dec 2026	81	24.3%	24.9%	155.22 to 256.02
19 Mar 2027	172	34.6%	38.1%	134.02 to 282.92

The range is one standard deviation either side of the close of 204.92, as the option prices imply it.

A priced move restates option prices at the close and says nothing certain about where the price goes.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Gamma Map

On 28 Sep 2026, ANET's call wall is the 220 strike and its put wall is the 190 strike.

Figure	Value
Call wall, most open call gamma	220
Put wall, most open put gamma	190
Flip strike, where net gamma changes sign	197.77
Net dollar gamma, calls minus puts	$21.57 million
Total dollar gamma, both sides	$57.2 million
Close	204.92

Dollar gamma is stated for a one percent move in the price.

Net is calls minus puts under the standard convention, not a record of who holds the contracts.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Volatility History

On 28 Sep 2026, ANET's at the money IV is 50.3 percent against 20 day realized volatility of 39.9 percent.

Figure	Value
At the money IV	50.3%
Realized volatility, 20 trading days	39.9%
Realized volatility, 60 trading days	53.5%
IV against its own weekly record	High, in the top fifth
Weekly readings on record	627, from 1 Aug 2014
Weeks the price moved more than the one week priced move	32.1% of 252 weeks

Realized volatility is worked out from the daily closes the desk holds, not from the option chain.

From the option chain at the close on 28 Sep 2026. Current on every plan.

Open Volatility History in RingMaster The Volatility History guide

Volatility Weather

On 28 Sep 2026, ANET's at the money IV runs from 50.5 percent at 4 days to 52.9 percent at 172 days.

Days to expiry	At the money IV
4	50.5%
11	49.4%
18	45.8%
25	47.0%
39	53.9%
53	52.8%
81	51.8%
172	52.9%

Far expiries price more volatility than near ones, an upward sloping term structure.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Volatility Smile

On 28 Sep 2026, at the 32 day expiry, ANET's IV ten percent below the price sits 1.8 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	52.1%	+1.8 points
At the money	50.3%	0.0 points
10% above the price	50.7%	+0.4 points

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Volatility Surface

On 28 Sep 2026, ANET's surface spans 10 expiries out to 172 days, with IV from 45.0 to 55.9 percent near the price.

Figure	Value
Expiries captured	10
Nearest expiry	2 Oct 2026, 4 days
Farthest expiry	19 Mar 2027, 172 days
Points within 10% of the price, 7 days out or more	85
Lowest IV among them	45.0%
Highest IV among them	55.9%

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Expiry Ladder

On 28 Sep 2026, ANET has 10 captured expiries, from 2 Oct 2026 to 19 Mar 2027.

Expiry	Days	At the money IV	Call open interest	Put open interest
2 Oct 2026	4	50.5%	8,953	5,829
9 Oct 2026	11	49.4%	3,902	1,257
16 Oct 2026	18	45.8%	20,738	10,582
23 Oct 2026	25	47.0%	1,689	1,247
30 Oct 2026	32	50.3%	2,076	1,145
6 Nov 2026	39	53.9%	193	62
20 Nov 2026	53	52.8%	17,017	13,072
18 Dec 2026	81	51.8%	12,629	10,826
15 Jan 2027	109	50.8%	35,800	24,207
19 Mar 2027	172	52.9%	7,705	6,216

Open interest is summed over the strikes captured near the price on each expiry.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Strike Table

On 28 Sep 2026, ANET's largest open interest sits at the 220 strike, with 15,619 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
220	14,136	1,483	15,619
210	10,224	1,490	11,714
190	6,459	4,639	11,098
200	6,567	2,449	9,016
160	3,429	4,906	8,335
175	2,987	4,625	7,612

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Since Yesterday

From 25 Sep 2026 to 28 Sep 2026, ANET's at the money IV moved from 45.9 percent to 50.3 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	45.9%	50.3%	+4.4 points
Open interest, strikes captured near the price	176,045	185,145	+9,100
Put/call ratio, open interest	0.67	0.67	+0.00

Open interest changes cannot identify buyers or sellers.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Changed Hands

On 28 Sep 2026, 14,845 ANET option contracts traded, 0.7 times its own recent average.

Figure	Value
Calls traded	7,311
Puts traded	7,534
Against its recent average	0.7 times
Busier than	0 of its last 20 trading days
Open interest, whole chain	246,565 contracts
Volume to open interest	0.06
Unusual volume flag	Yes, 1 contract traded well above open interest
Largest flagged contract	The 210 call expiring 23 Oct, 347 traded against 145 open

Traded volume and open interest are shown side by side and never combined. Open interest changes cannot identify buyers or sellers.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Positioning Replay

The replay holds 33 trading days of ANET's option positioning, from 11 Aug 2026 to 28 Sep 2026.

Date	Close	Net dollar gamma	Top call strike	Top put strike
11 Aug 2026	197.85	$25.02 million	200	190
21 Sep 2026	205.42	$23.36 million	220	190
28 Sep 2026	204.92	$21.57 million	220	190

Each frame restates one nightly capture. Net is calls minus puts, a convention, not who holds the contracts.

From the option chain at the close on 28 Sep 2026. Current on every plan.

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Read-out

On 25 Sep 2026 the desk's view of ANET was bullish, paper trading.

Figure	Value
Side	Bullish at 45 trading days, no signal
Level above the close	208.26, the swing high of 22 Sep 2026
Level below the close	200.25, the swing low of 11 Sep 2026, a close past it runs against the view
The chart	Sits with the view
Strategy family	Cash-secured put (sell a put below the price)
Price target	None. The desk has no price model.

The levels are prices the shares turned at on the chart, with the date of each.

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

Open Read-out in RingMaster The Read-out guide

Rank by Timeframe

On 25 Sep 2026 ANET sat at the 69th percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	95 of 100	Bullish
20 trading days	92 of 100	Bullish
45 trading days	69 of 100	Neutral

100 is the top of the ranking. A name in the middle three fifths is neutral.

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

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Timeframe Agreement

On 25 Sep 2026, 2 of 3 timeframes put ANET on the bullish side, paper trading.

Group	Timeframes	Side	On that side
Near	10 day, 20 day	Bullish	2 of 2
Long	45 day	Neutral	0 of 1

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

Open Timeframe Agreement in RingMaster The Timeframe Agreement guide

Signal History

On 25 Sep 2026 ANET had carried no signal for at least 18 trading days, paper trading.

Trading day	Signal	45 day percentile
25 Sep 2026	None	69 of 100
24 Sep 2026	None	60 of 100
23 Sep 2026	None	41 of 100
22 Sep 2026	None	34 of 100
21 Sep 2026	None	43 of 100
18 Sep 2026	None	61 of 100
17 Sep 2026	None	39 of 100
16 Sep 2026	None	48 of 100

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

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Sector Split

On 25 Sep 2026, 80 of 187 Information Technology names were bullish and 61 were bearish, paper trading.

Sector	Names	Bullish	Bearish	Neutral
Information Technology	187	80	61	46

Paper trading. The model's figures from 25 Sep 2026, one trading day behind, as the Free plan shows them.

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Price Chart

ANET closed at 204.92 on 28 Sep 2026.

Figure	Value
Last close	204.92
Change over 5 trading days	-0.2%
Change over 21 trading days	+1.9%
Change over 63 trading days	+24.9%
Change over 252 trading days	+43.2%
52 week high	214.89
52 week low	114.52
20 day moving average	197.06
50 day moving average	190.96
200 day moving average	157.41
RSI, 14 days	58

Worked out from the desk's own daily bars, adjusted for share splits.

From the daily bars through 28 Sep 2026. Current on every plan.

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Earnings Radar

ANET reports next on 3 Nov 2026, a date worked out from past quarters.

Figure	Value
Next report	3 Nov 2026, after the close
Date	Worked out from past quarters
Move after the report of 4 Aug 2026	+3.6%
Move after the report of 5 May 2026	-13.6%
Move after the report of 12 Feb 2026	+4.8%
Move after the report of 4 Nov 2025	-8.6%

Earnings calendar as of 28 Sep 2026. Current on every plan.

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Short Volume

On 25 Sep 2026, 48.7 percent of ANET's reported volume at the covered venues was marked short.

Figure	Value
Short sale share, 25 Sep	48.7%
Five day average	49.0%
52 week median	44.8%

Short sale volume counts trades marked short at the covered venues, mostly off exchange. It is not the same as short interest.

Short volume as of 25 Sep 2026. Current on every plan.

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Seasonality

In the 12 Septembers on record, ANET's average change was minus 1.2 percent, and it rose in 50.0 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	-1.2%	-0.2%	50.0%	12
October	+3.0%	+3.9%	75.0%	12
November	+6.9%	+10.8%	75.0%	12

Each figure is a month end to month end change in past years. A past month says nothing certain about the next one.

Monthly history through 28 Sep 2026. Current on every plan.

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Headlines

The desk's news feeds carried 3 headlines naming ANET in the 3 days to 28 Sep 2026.

Figure	Value
Headlines in the window	3
Latest	28 Sep 2026

The titles are in the Headlines window, with the time each was published.

Headlines as of 28 Sep 2026. Current on every plan.

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Questions

What is ANET's IV rank?: ANET's IV rank is 80 of 100 on 28 Sep 2026.
What move are ANET options pricing?: On 28 Sep 2026, ANET options priced a move of 14.4 percent down and 15.6 percent up by 30 Oct 2026.
Where are ANET's call wall and put wall?: On 28 Sep 2026, ANET's call wall is the 220 strike and its put wall is the 190 strike.
What was the desk's latest view of ANET on the Free plan?: On 25 Sep 2026 the desk's view of ANET was bullish, paper trading.
When does ANET report earnings next?: ANET reports next on 3 Nov 2026, a date worked out from past quarters.

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