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ARISTA NETWORKS INC

$205.42 +3.02%

$205.85 (+0.21%)🌙

as of 09/21 06:09 PM

(9/18 18:09) ◀

Monday, September 21, 2026 (6:09pm)

▶

◀ 9/21 18:09

Option Volume

Detail

ℹ

Current (09/21) 32,773

Calls: 23,644 (72%)

Puts: 9,129 (28%)

Prior (09/18) 33,728

Calls: 23,800 (71%)

Puts: 9,928 (29%)

Current vs Prior -2.83%

Calls: -0.66% (Calls)

Puts: -8.05% (Puts)

Prior 7-Day Total 169,965

Calls: 113,778 (67%)

Puts: 56,187 (33%)

Prior 7-Day Average 24,280

Calls: 16,254 (67%)

Puts: 8,026 (33%)

Current vs Prior 7-Day Avg +34.98%

Calls: +45.47%

Puts: +13.73%

Sentiment BULLISH

Dollar Volume

Detail

ℹ

Current (09/21) $26.83M

Calls: $20.98M (78%)

Puts: $5.85M (22%)

Prior (09/18) $35.63M

Calls: $26.63M (75%)

Puts: $9.00M (25%)

Current vs Prior -24.69%

Calls: -21.20%

Puts: -35.00%

Prior 7-Day Total $146.61M

Calls: $113.72M (78%)

Puts: $32.88M (22%)

Prior 7-Day Average $20.94M

Calls: $16.25M (78%)

Puts: $4.70M (22%)

Current vs Prior 7-Day Avg +28.13%

Calls: +29.17%

Puts: +24.53%

Sentiment BULLISH

Put/Call Ratio

Detail

ℹ

Current (09/21) 0.39

Prior (09/18) 0.42

Current vs Prior -7.44%

Prior 7-Day Average 0.52

Current vs Prior 7-Day Avg -25.62%

Sentiment BULLISH

Open Interest

Detail

ℹ

Current (09/21) 275,742

Calls: 149,048 (54%)

Puts: 126,694 (46%)

Prior (09/18) 340,205

Calls: 183,558 (54%)

Puts: 156,647 (46%)

Current vs Prior -18.95%

Prior 7-Day Total 1,806,749

Calls: 1,027,054 (57%)

Puts: 779,695 (43%)

Prior 7-Day Average 258,107

Calls: 146,722 (57%)

Puts: 111,385 (43%)

Current vs Prior 7-Day Avg +6.83%

Sentiment BEARISH

Expected Move

Detail

ℹ

WKMO Expiry (09/25) | Next (10/02)Expiry (10/16) | Next (11/20)

Current 5.07% | 7.47%10.81% | 20.52%

Prior 5.53% | 8.07%1.22% | 11.73%

Current vs Prior -8.30% | -7.46%+783.15% | +74.99%

Prior 7-Day Avg 4.53% | 7.23%4.38% | 12.65%

Current vs 7-Day Avg +12.01% | +3.38%+146.90% | +62.26%

Prior 7-Day Eod 5.53% | 8.07%1.22% | 11.73%

Current vs 7-Day Eod -8.30% | -7.46%+783.15% | +74.99%

Sentiment BULLISHBEARISH

Relative Spread

Detail

ℹ

Expiry | Next

Current 23.17% | 13.67%

Calls: 13.46% | 14.01%

Puts: 32.88% | 13.33%

Prior 23.17% | 13.67%

Calls: 13.46% | 14.01%

Puts: 32.88% | 13.33%

Current vs Prior +0.00% | +0.00%

Prior 7-Day Avg 23.17% | 13.67%

Calls: 13.46% | 14.01%

Puts: 32.88% | 13.33%

Current vs 7-Day Avg +0.00% | +0.00%

Liquidity Expensive

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🤖 AI Insights

Strong bullish conviction with 78% of dollar volume in calls ($20.98M) vs puts ($5.85M). Extreme bullish P/C ratio of 0.39 - heavy call buying (23,644 calls vs 9,129 puts). Declining open interest (down 19%) indicates positions being closed.

Smart Money BULLISH

Retail Flow BULLISH

Overall BULLISH

Dollar Volume

Option Volume

Put/Call Ratio

Open Interest

Expected Move

Current BULLISH

Prior BULLISH

7-Day Avg BULLISH

Current BULLISH

Prior BULLISH

7-Day Avg NEUTRAL

Current BULLISH

Prior BULLISH

7-Day Avg NEUTRAL

Current NEUTRAL

Prior NEUTRAL

7-Day Avg NEUTRAL

Current BEARISH

Prior BULLISH

7-Day Avg BULLISH

📈 Options Analysis

🎯 Tightest Spreads

💰 Best Value Under $1

📊 High Delta (ITM)

🔥 High Volume

⏰ Backwardation

📈 Debit Spreads

📉 Credit Spreads

📅 Calendar Spreads

⚡ Straddles

🔀 Strangles

🦅 Iron Condors

🦋 Butterflies

⚖️ Ratio Spreads

🛡️ Covered Calls

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Tightest Spreads

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Best Value <$1

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Ratio Spreads

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Covered Calls

Options with the tightest bid-ask spreads (<10%). Lower spreads = better fills and less slippage. Showing top 30 of results (avg 7.5%, best 4.4%)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$200.00	Oct 16	13.25	13.85	$13.55	4.4%	100	0.60	1.5K
$170.00	Oct 30	37.45	39.20	$38.33	4.6%	--	0.87	110
$190.00	Oct 30	22.40	23.50	$22.95	4.8%	1	0.71	110
$195.00	Oct 30	19.20	20.15	$19.67	4.8%	1	0.65	52
$220.00	Oct 16	5.00	5.25	$5.13	4.9%	3.7K	0.32	5.7K

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$240.00	Oct 30	36.70	38.75	$37.73	5.4%	3	0.79	--
$195.00	Oct 9	4.10	4.40	$4.25	7.1%	26	0.30	241
$200.00	Oct 30	9.95	10.85	$10.40	8.7%	5	0.41	38
$230.00	Oct 2	24.25	26.50	$25.38	8.9%	6	0.90	2
$230.00	Oct 16	25.95	28.55	$27.25	9.5%	--	0.79	13

Affordable options under $1.00 per contract. Great for defined-risk strategies with minimal capital. 1 found (avg $0.32, cheapest $0.32)

CALLS (0)

No calls meet the criteria

PUTS (1)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$187.50	Sep 25	0.30	0.35	$0.32	15.6%	49	0.06	239

In-the-money options with delta >0.50. Higher probability of profit, lower leverage. 71 found (avg delta 0.74, highest 0.99)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$165.00	Sep 25	38.85	42.00	$40.42	7.8%	1	0.99	7
$170.00	Sep 25	34.05	36.35	$35.20	6.5%	--	0.99	13
$175.00	Sep 25	29.20	31.35	$30.28	7.1%	--	0.98	43
$165.00	Oct 2	39.10	42.30	$40.70	7.9%	1	0.98	3
$180.00	Sep 25	23.90	27.10	$25.50	12.5%	3	0.98	60

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$230.00	Oct 2	24.25	26.50	$25.38	8.9%	6	0.90	2
$220.00	Sep 25	13.65	17.00	$15.33	21.9%	--	0.88	26
$230.00	Oct 16	25.95	28.55	$27.25	9.5%	--	0.79	13
$240.00	Oct 30	36.70	38.75	$37.73	5.4%	3	0.79	--
$215.00	Sep 25	10.20	11.90	$11.05	15.4%	1	0.78	17

Most actively traded options today. High liquidity = easy entry/exit. 205 active (total vol 24.1K, top 4.1K)

CALLS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$215.00	Sep 25	1.40	1.55	$1.48	10.1%	4.1K	0.22	960
$220.00	Oct 16	5.00	5.25	$5.13	4.9%	3.7K	0.32	5.7K
$220.00	Sep 25	0.57	0.80	$0.69	33.3%	1.3K	0.12	442
$210.00	Oct 16	8.30	8.80	$8.55	5.8%	1.3K	0.45	2.5K
$235.00	Oct 16	1.41	2.95	$2.18	70.6%	1.2K	0.16	--

PUTS (5)

Strike	Expiry	Bid	Ask	Mark	Spread	Vol	Delta	OI
$190.00	Oct 16	3.85	4.50	$4.18	15.6%	1.1K	0.25	1.8K
$182.50	Sep 25	0.07	0.23	$0.15	106.7%	489	0.03	1.2K
$177.50	Sep 25	0.05	0.21	$0.13	123.1%	331	0.02	136
$165.00	Oct 16	0.55	0.85	$0.70	42.9%	196	0.05	1.1K
$195.00	Sep 25	0.90	1.57	$1.24	54.0%	190	0.18	226

Term structure inversion — near-term IV higher than far-term IV at the same strike. Signals expected near-term catalyst or volatility event. 16 strikes (avg 10.4%, max 15.7%)

CALLS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$195.00	Sep 25	Oct 30	57.2%	49.4%	15.7%	51	399
$197.50	Sep 25	Oct 9	52.5%	45.5%	15.3%	21	709
$200.00	Sep 25	Oct 30	54.7%	48.2%	13.3%	273	2.1K
$212.50	Sep 25	Oct 16	55.8%	50.6%	10.3%	235	303
$202.50	Sep 25	Oct 16	50.3%	46.3%	8.8%	174	339

PUTS (5)

Strike	Near Exp	Far Exp	Near IV	Far IV	Back%	Vol	OI
$195.00	Sep 25	Oct 30	57.2%	49.4%	15.7%	190	249
$200.00	Sep 25	Oct 30	54.7%	48.2%	13.3%	95	158
$197.50	Sep 25	Oct 16	52.5%	46.5%	12.7%	139	95
$205.00	Sep 25	Oct 23	53.5%	47.6%	12.5%	54	253
$202.50	Sep 25	Oct 16	50.3%	46.3%	8.8%	162	33

Bull call spreads & bear put spreads with the best risk/reward ratios. Pay a debit upfront, defined max loss. 145 found (best R:R 5.49, avg 4.72)

BULL CALL (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$215.00	$220.00	Oct 23	$0.77	$4.23	$0.77	39%	5.49	$215.77
$220.00	$225.00	Oct 30	$0.87	$4.13	$0.87	36%	4.75	$220.87
$210.00	$215.00	Oct 30	$1.48	$3.52	$1.48	47%	2.38	$211.48
$195.00	$200.00	Oct 16	$2.65	$2.35	$2.65	68%	0.89	$197.65
$215.00	$217.50	Oct 16	$0.35	$2.15	$0.35	38%	6.14	$215.35

BEAR PUT (5)

Buy	Sell	Expiry	Debit	Max Gain	Max Loss	POP	R:R	BE
$197.50	$195.00	Oct 16	$0.45	$2.05	$0.45	36%	4.56	$197.05
$207.50	$205.00	Oct 9	$0.90	$1.60	$0.90	52%	1.78	$206.60
$180.00	$175.00	Oct 30	$0.48	$4.52	$0.48	18%	9.42	$179.52
$202.50	$200.00	Sep 25	$0.57	$1.93	$0.57	38%	3.39	$201.93
$197.50	$195.00	Sep 25	$0.26	$2.24	$0.26	23%	8.62	$197.24

Bear call spreads & bull put spreads collecting premium. Receive credit upfront, profit if stock stays in range. 112 found (best R:R 0.72, avg 0.36)

BEAR CALL (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$225.00	$230.00	Oct 9	$1.18	$1.18	$3.82	79%	0.31	$226.18
$212.50	$215.00	Oct 16	$1.37	$1.37	$1.13	58%	1.21	$213.87
$215.00	$220.00	Oct 30	$2.20	$2.20	$2.80	58%	0.79	$217.20
$227.50	$230.00	Oct 2	$0.48	$0.48	$2.02	87%	0.24	$227.98
$212.50	$215.00	Oct 2	$1.01	$1.01	$1.49	64%	0.68	$213.51

BULL PUT (5)

Sell	Buy	Expiry	Credit	Max Gain	Max Loss	POP	R:R	BE
$195.00	$190.00	Oct 23	$2.10	$2.10	$2.90	66%	0.72	$192.90
$205.00	$202.50	Oct 16	$1.68	$1.68	$0.82	53%	2.05	$203.32
$200.00	$197.50	Oct 9	$1.45	$1.45	$1.05	61%	1.38	$198.55
$190.00	$185.00	Oct 30	$1.75	$1.75	$3.25	71%	0.54	$188.25
$195.00	$192.50	Oct 16	$1.23	$1.23	$1.27	68%	0.97	$193.77

Same strike, different expirations. Sell near-term, buy far-term. Profits from time decay differential. 10 found (avg debit $2.36, cheapest $2.32)

CALLS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$207.50	Sep 25	Oct 2	$2.32	53.7%	48.5%
$205.00	Sep 25	Oct 2	$2.50	53.5%	48.4%
$210.00	Sep 25	Oct 2	$2.33	52.7%	48.4%
$200.00	Sep 25	Oct 2	$2.25	54.7%	51.1%
$202.50	Sep 25	Oct 2	$2.40	50.3%	49.4%

PUTS (5)

Strike	Near Exp	Far Exp	Net Debit	Near IV	Far IV
$207.50	Sep 25	Oct 2	$2.43	53.7%	48.5%
$205.00	Sep 25	Oct 2	$2.27	53.5%	48.4%
$210.00	Sep 25	Oct 2	$2.17	52.7%	48.4%
$200.00	Sep 25	Oct 2	$2.35	54.7%	51.1%
$202.50	Sep 25	Oct 2	$2.61	50.3%	49.4%

Buy call + put at the same strike and expiry. Profits from large moves in either direction. 49 found (cheapest 4.47% of stock, avg 9.04%)

Strike	Expiry	Call$	Put$	Total	BE Low	BE High	Cost%
$202.50	Sep 25	$6.25	$2.94	$9.19	$193.31	$211.69	4.47%
$205.00	Sep 25	$4.85	$4.33	$9.18	$195.82	$214.18	4.47%
$207.50	Sep 25	$3.63	$5.57	$9.20	$198.30	$216.70	4.48%
$210.00	Sep 25	$2.60	$7.15	$9.75	$200.25	$219.75	4.75%
$200.00	Sep 25	$7.68	$2.37	$10.05	$189.95	$210.05	4.89%
$197.50	Sep 25	$9.68	$1.50	$11.18	$186.32	$208.68	5.44%
$212.50	Sep 25	$2.09	$9.13	$11.22	$201.28	$223.72	5.46%
$195.00	Sep 25	$11.28	$1.24	$12.52	$182.48	$207.52	6.09%
$215.00	Sep 25	$1.48	$11.05	$12.53	$202.47	$227.53	6.10%
$205.00	Oct 2	$7.35	$6.60	$13.95	$191.05	$218.95	6.79%

Buy OTM call + OTM put at different strikes. Cheaper than straddles, needs bigger move to profit. 150 found (cheapest 1.07% of stock, avg 5.57%)

Call K	Put K	Expiry	Call$	Put$	Total	BE Low	BE High
$217.50	$195.00	Sep 25	$0.95	$1.24	$2.19	$192.81	$219.69
$217.50	$197.50	Sep 25	$0.95	$1.50	$2.45	$195.05	$219.95
$215.00	$195.00	Sep 25	$1.48	$1.24	$2.72	$192.28	$217.72
$215.00	$197.50	Sep 25	$1.48	$1.50	$2.98	$194.52	$217.98
$212.50	$195.00	Sep 25	$2.09	$1.24	$3.33	$191.67	$215.83
$212.50	$197.50	Sep 25	$2.09	$1.50	$3.59	$193.91	$216.09
$217.50	$200.00	Sep 25	$0.95	$2.37	$3.32	$196.68	$220.82
$215.00	$200.00	Sep 25	$1.48	$2.37	$3.85	$196.15	$218.85
$212.50	$200.00	Sep 25	$2.09	$2.37	$4.46	$195.54	$216.96
$210.00	$195.00	Sep 25	$2.60	$1.24	$3.84	$191.16	$213.84

Sell OTM put spread + OTM call spread. Collect premium, profit if stock stays between breakevens. 261 found (best R:R 1.91, avg credit $1.22)

Put Spread	Call Spread	Expiry	Credit	Max Loss	POP	R:R	BE Low	BE High
195/198	228/230	Oct 2	$1.64	$0.86	55%	1.91	$195.86	$229.14
192/195	220/222	Oct 16	$1.98	$0.52	36%	3.81	$193.02	$221.98
195/198	220/222	Oct 2	$1.71	$0.79	46%	2.16	$195.79	$221.71
195/198	230/232	Oct 2	$1.35	$1.15	60%	1.17	$196.15	$231.35
180/182	228/230	Oct 2	$0.89	$1.61	77%	0.55	$181.61	$228.39
190/195	220/225	Oct 23	$3.70	$1.30	32%	2.85	$191.30	$223.70
165/168	228/230	Oct 2	$0.68	$1.82	83%	0.37	$166.82	$228.18
180/182	215/218	Oct 9	$1.49	$1.01	51%	1.48	$181.01	$216.49
192/195	222/225	Oct 16	$1.76	$0.74	39%	2.38	$193.24	$224.26
165/170	240/245	Oct 30	$1.90	$3.10	67%	0.61	$168.10	$241.90

Buy lower + upper strikes, sell 2x middle strike. Low cost, max profit at the middle strike at expiry. 97 found (best R:R 61.50, cheapest $0.05)

CALLS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$180.00	$185.00	$190.00	Oct 2	$0.08	$4.92	11%	61.50
$190.00	$195.00	$200.00	Oct 30	$0.19	$4.81	12%	25.32
$230.00	$235.00	$240.00	Oct 16	$0.10	$4.90	8%	49.00
$212.50	$215.00	$217.50	Sep 25	$0.08	$2.42	13%	30.25
$202.50	$205.00	$207.50	Sep 25	$0.18	$2.32	18%	12.89

PUTS (5)

Low	Mid	High	Expiry	Debit	Max Gain	POP	R:R
$210.00	$220.00	$230.00	Oct 16	$1.19	$8.81	25%	7.40
$180.00	$185.00	$190.00	Oct 23	$0.17	$4.83	10%	28.41
$185.00	$190.00	$195.00	Oct 30	$0.20	$4.80	12%	24.00
$190.00	$192.50	$195.00	Sep 25	$0.08	$2.42	10%	30.25
$187.50	$190.00	$192.50	Oct 2	$0.06	$2.44	7%	40.67

Buy 1 option, sell 2 at a different strike (1:2 ratio). Can be entered for a credit. Unlimited risk on naked leg. 107 found (best net $-0.32, 100 credits)

CALLS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$165.00	$190.00	1:2	Oct 23	-$0.32	$24.68
$170.00	$190.00	1:2	Oct 30	-$7.57	$12.43
$225.00	$230.00	1:2	Oct 9	-$0.24	$4.76
$240.00	$245.00	1:2	Oct 9	-$0.20	$4.80
$225.00	$227.50	1:2	Sep 25	-$0.04	$2.46

PUTS (5)

Buy K	Sell K	Ratio	Expiry	Net	Max Gain
$175.00	$170.00	1:2	Oct 9	-$0.02	$4.98
$192.50	$190.00	1:2	Sep 25	-$0.14	$2.36
$170.00	$165.00	1:2	Oct 9	-$0.06	$4.94
$182.50	$180.00	1:2	Oct 2	-$0.08	$2.42
$187.50	$185.00	1:2	Sep 25	-$0.10	$2.40

Sell OTM calls against 100 shares you own. Collect premium for income, capped upside at strike. Yield% = premium/stock price. 60 found (best yield 2.95%, avg 1.61%)

Strike	Expiry	Bid	Delta	OTM%	Yield%	If Called%	Vol	OI
$225.00	Oct 30	$6.05	0.32	9.5%	2.95%	12.48%	31	53
$210.00	Oct 30	$10.15	0.47	2.2%	4.94%	7.17%	2	17
$215.00	Oct 30	$8.15	0.42	4.7%	3.97%	8.63%	8	60
$220.00	Oct 30	$6.50	0.36	7.1%	3.16%	10.26%	45	390
$230.00	Oct 30	$4.85	0.27	12.0%	2.36%	14.33%	90	119
$220.00	Oct 23	$6.10	0.34	7.1%	2.97%	10.07%	21	139
$210.00	Oct 23	$8.45	0.46	2.2%	4.11%	6.34%	48	34
$235.00	Oct 30	$3.75	0.23	14.4%	1.83%	16.23%	3	54
$210.00	Oct 16	$8.30	0.45	2.2%	4.04%	6.27%	1.3K	2.5K
$215.00	Oct 23	$6.55	0.39	4.7%	3.19%	7.85%	33	37

Current 5-Minute Volume Snapshots

Time (HH:MM)	Total Volume	Call Volume	Put Volume	Volume Change
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Prior's 5-Minute Volume Snapshots

Time (HH:MM)	Total Volume	Call Volume	Put Volume	Volume Change
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Current Put/Call Breakdown

Total Calls 23,644

Total Puts 9,129

Put/Call Ratio 0.39

Net Difference 14,515

Prior's Put/Call Breakdown

Total Calls 23,800

Total Puts 9,928

Put/Call Ratio 0.42

Net Difference 13,872

Prior 7-Day Put/Call Summary

Total Calls 113,778

Total Puts 56,187

Average Put/Call Ratio 0.52

Ratio Trend Falling

Daily Put/Call History (Last 7 Days)

Date	Calls	Puts	Ratio	Net Diff
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Upcoming Earnings - 2 Weeks Prior

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Upcoming Earnings - 1 Week Prior

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Earnings This Week

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Earnings - Day Before / Day After

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Options Activity Around Earnings

Ticker	Earnings Date	Days Away	Call Volume	Put Volume	IV Rank
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Option Volume

Dollar Volume

Put/Call Ratio

Open Interest

Expected Move

Relative Spread

🤖 AI Insights

📈 Options Analysis

Current 5-Minute Volume Snapshots

Prior's 5-Minute Volume Snapshots

Current Put/Call Breakdown

Prior's Put/Call Breakdown

Prior 7-Day Put/Call Summary

Daily Put/Call History (Last 7 Days)

Upcoming Earnings - 2 Weeks Prior

Upcoming Earnings - 1 Week Prior

Earnings This Week

Earnings - Day Before / Day After

Options Activity Around Earnings

Chart Title

Price — Past 7 Days

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