Information Technology

Synopsys Inc (SNPS) options and signal

Figures as of 28 Sep 2026

SNPS is Synopsys Inc, 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	89 of 100	28 Sep
At the money IV	50.9%	28 Sep
Priced move to 30 Oct	13.7% down, 15.4% up	28 Sep
Call wall and put wall	420 and 400	28 Sep
Signal and the desk's view	No signal, view bearish	25 Sep
Last close	417.61	28 Sep

Options Snapshot

SNPS's IV rank is 89 of 100 on 28 Sep 2026.

Figure	Value
IV rank	89 of 100
At the money IV	50.9%, near month, 32 days
Put/call ratio, open interest	1.01
Call open interest, strikes captured near the price	29,100 contracts
Put open interest, strikes captured near the price	29,300 contracts
Cost to trade at the money	Fair, 24.4% of the option's mid price

IV rank is where the at the money IV sits among SNPS'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, SNPS options priced a move of 13.7 percent down and 15.4 percent up by 30 Oct 2026.

Expiry	Days	Down	Up	Range
2 Oct 2026	4	6.5%	5.5%	390.31 to 440.61
9 Oct 2026	11	8.4%	10.7%	382.51 to 462.41
23 Oct 2026	25	14.2%	14.2%	358.41 to 477.01
30 Oct 2026	32	13.7%	15.4%	360.21 to 481.91
20 Nov 2026	53	17.9%	17.7%	342.71 to 491.71
18 Dec 2026	81	23.2%	25.1%	320.81 to 522.61
19 Mar 2027	172	32.1%	35.0%	283.61 to 563.61

The range is one standard deviation either side of the close of 417.61, 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, SNPS's call wall is the 420 strike and its put wall is the 400 strike.

Figure	Value
Call wall, most open call gamma	420
Put wall, most open put gamma	400
Net dollar gamma, calls minus puts	$8.04 million
Total dollar gamma, both sides	$43.89 million
Close	417.61

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.

Net gamma changes sign at 3 strikes, so no single flip strike is named.

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, SNPS's at the money IV is 50.9 percent against 20 day realized volatility of 42.9 percent.

Figure	Value
At the money IV	50.9%
Realized volatility, 20 trading days	42.9%
Realized volatility, 60 trading days	47.3%
IV against its own weekly record	High, in the top fifth
Weekly readings on record	817, from 8 Jan 2010
Weeks the price moved more than the one week priced move	29.8% 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.

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Volatility Weather

On 28 Sep 2026, SNPS's at the money IV runs from 56.7 percent at 4 days to 48.8 percent at 172 days.

Days to expiry	At the money IV
4	56.7%
11	48.6%
18	52.0%
25	51.7%
39	54.3%
53	47.5%
81	48.1%
172	48.8%

Near expiries price more volatility than far ones, an inverted 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, SNPS's IV ten percent below the price sits 1.1 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	52.0%	+1.1 points
At the money	50.9%	0.0 points
10% above the price	51.8%	+0.9 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, SNPS's surface spans 10 expiries out to 172 days, with IV from 45.1 to 64.4 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	121
Lowest IV among them	45.1%
Highest IV among them	64.4%

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, SNPS 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	56.7%	3,536	1,646
9 Oct 2026	11	48.6%	575	329
16 Oct 2026	18	52.0%	8,523	3,907
23 Oct 2026	25	51.7%	286	5,205
30 Oct 2026	32	50.9%	336	2,083
6 Nov 2026	39	54.3%	11	10
20 Nov 2026	53	47.5%	3,257	2,186
18 Dec 2026	81	48.1%	5,840	6,596
15 Jan 2027	109	49.1%	5,212	5,870
19 Mar 2027	172	48.8%	1,499	1,433

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, SNPS's largest open interest sits at the 400 strike, with 6,011 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
400	2,925	3,086	6,011
350	116	3,844	3,960
380	2,257	1,410	3,667
500	2,318	927	3,245
420	1,877	1,250	3,127
480	2,071	584	2,655

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, SNPS's at the money IV moved from 49.0 percent to 50.9 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	49.0%	50.9%	+1.9 points
Open interest, strikes captured near the price	56,410	58,340	+1,930
Put/call ratio, open interest	1.02	1.01	-0.01

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, 6,771 SNPS option contracts traded, 0.7 times its own recent average.

Figure	Value
Calls traded	3,707
Puts traded	3,064
Against its recent average	0.7 times
Busier than	0 of its last 20 trading days
Open interest, whole chain	74,838 contracts
Volume to open interest	0.09
Unusual volume flag	No

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 SNPS'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	410.91	minus $4.82 million	430	400
21 Sep 2026	401.85	$4.65 million	400	400
28 Sep 2026	417.61	$8.04 million	420	400

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 SNPS was bearish, paper trading.

Figure	Value
Side	Bearish at 45 trading days, no signal
Level above the close	425.78, the swing high of 17 Aug 2026, a close past it runs against the view
Level below the close	380.33, the swing low of 4 Sep 2026
The chart	Sits against the view
Strategy family	Bear call spread (sell a call spread above 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.

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Rank by Timeframe

On 25 Sep 2026 SNPS sat at the 14th percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	47 of 100	Neutral
20 trading days	22 of 100	Neutral
45 trading days	14 of 100	Bearish

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, 1 of 3 timeframes put SNPS on the bearish side, paper trading.

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

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

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Signal History

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

Trading day	Signal	45 day percentile
25 Sep 2026	None	14 of 100
24 Sep 2026	None	21 of 100
23 Sep 2026	None	17 of 100
22 Sep 2026	None	9 of 100
21 Sep 2026	None	72 of 100
18 Sep 2026	None	70 of 100
17 Sep 2026	None	83 of 100
16 Sep 2026	None	28 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

SNPS closed at 417.61 on 28 Sep 2026.

Figure	Value
Last close	417.61
Change over 5 trading days	+3.9%
Change over 21 trading days	-10.2%
Change over 63 trading days	-6.6%
Change over 252 trading days	-14.3%
52 week high	539.48
52 week low	362.55
20 day moving average	402.33
50 day moving average	401.37
200 day moving average	445.05
RSI, 14 days	56

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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Short Volume

On 25 Sep 2026, 43.6 percent of SNPS's reported volume at the covered venues was marked short.

Figure	Value
Short sale share, 25 Sep	43.6%
Five day average	41.9%
52 week median	42.5%
Short interest, share of shares outstanding	3.0% at the 15 Sep 2026 settlement
Days to cover	3.1

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 23 Septembers on record, SNPS's average change was minus 2.6 percent, and it rose in 30.4 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	-2.6%	-1.6%	30.4%	23
October	+1.4%	+1.4%	56.5%	23
November	+2.8%	+2.7%	82.6%	23

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 5 headlines naming SNPS in the 3 days to 28 Sep 2026.

Figure	Value
Headlines in the window	5
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 SNPS's IV rank?: SNPS's IV rank is 89 of 100 on 28 Sep 2026.
What move are SNPS options pricing?: On 28 Sep 2026, SNPS options priced a move of 13.7 percent down and 15.4 percent up by 30 Oct 2026.
Where are SNPS's call wall and put wall?: On 28 Sep 2026, SNPS's call wall is the 420 strike and its put wall is the 400 strike.
What was the desk's latest view of SNPS on the Free plan?: On 25 Sep 2026 the desk's view of SNPS was bearish, paper trading.

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