Information Technology

Rubrik, Inc. (RBRK) options and signal

Figures as of 28 Sep 2026

RBRK is Rubrik, 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	21 of 100	28 Sep
At the money IV	57.4%	28 Sep
Priced move to 30 Oct	16.8% down, 17.1% up	28 Sep
Call wall and put wall	110 and 95	28 Sep
Signal and the desk's view	No signal, view bearish	25 Sep
Last close	113.09	28 Sep

Options Snapshot

RBRK's IV rank is 21 of 100 on 28 Sep 2026.

Figure	Value
IV rank	21 of 100
At the money IV	57.4%, near month, 32 days
Put/call ratio, open interest	0.23
Call open interest, strikes captured near the price	48,900 contracts
Put open interest, strikes captured near the price	11,200 contracts
Cost to trade at the money	Fair, 26.7% of the option's mid price

IV rank is where the at the money IV sits among RBRK'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, RBRK options priced a move of 16.8 percent down and 17.1 percent up by 30 Oct 2026.

Expiry	Days	Down	Up	Range
2 Oct 2026	4	6.0%	5.9%	106.26 to 119.71
9 Oct 2026	11	10.2%	9.9%	101.59 to 124.29
16 Oct 2026	18	12.6%	13.1%	98.89 to 127.89
30 Oct 2026	32	16.8%	17.1%	94.09 to 132.39
6 Nov 2026	39	19.5%	18.3%	91.09 to 133.79
20 Nov 2026	53	20.6%	23.1%	89.79 to 139.19
16 Apr 2027	200	44.4%	48.5%	62.89 to 167.99

The range is one standard deviation either side of the close of 113.09, 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, RBRK's call wall is the 110 strike and its put wall is the 95 strike.

Figure	Value
Call wall, most open call gamma	110
Put wall, most open put gamma	95
Net dollar gamma, calls minus puts	$6.08 million
Total dollar gamma, both sides	$8.34 million
Close	113.09

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 5 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, RBRK's at the money IV is 57.4 percent against 20 day realized volatility of 69.7 percent.

Figure	Value
At the money IV	57.4%
Realized volatility, 20 trading days	69.7%
Realized volatility, 60 trading days	73.5%
IV against its own weekly record	In the middle
Weekly readings on record	100, from 17 May 2024
Weeks the price moved more than the one week priced move	24.2% of 99 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, RBRK's at the money IV runs from 62.1 percent at 4 days to 62.0 percent at 200 days.

Days to expiry	At the money IV
4	62.1%
11	61.6%
18	57.1%
25	62.1%
32	57.4%
39	58.8%
53	58.5%
200	62.0%

Near and far expiries price about the same volatility, a flat 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, RBRK's IV ten percent below the price sits 3.9 points above at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	61.3%	+3.9 points
At the money	57.4%	0.0 points
10% above the price	63.0%	+5.6 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, RBRK's surface spans 9 expiries out to 200 days, with IV from 51.9 to 64.0 percent near the price.

Figure	Value
Expiries captured	9
Nearest expiry	2 Oct 2026, 4 days
Farthest expiry	16 Apr 2027, 200 days
Points within 10% of the price, 7 days out or more	93
Lowest IV among them	51.9%
Highest IV among them	64.0%

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, RBRK has 9 captured expiries, from 2 Oct 2026 to 16 Apr 2027.

Expiry	Days	At the money IV	Call open interest	Put open interest
2 Oct 2026	4	62.1%	2,578	535
9 Oct 2026	11	61.6%	553	244
16 Oct 2026	18	57.1%	7,865	1,999
23 Oct 2026	25	62.1%	332	695
30 Oct 2026	32	57.4%	371	110
6 Nov 2026	39	58.8%	57	12
20 Nov 2026	53	58.5%	1,128	197
15 Jan 2027	109	61.1%	30,790	6,201
16 Apr 2027	200	62.0%	5,199	1,184

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, RBRK's largest open interest sits at the 140 strike, with 5,532 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
140	5,531	1	5,532
110	5,223	246	5,469
100	4,845	330	5,175
105	3,771	404	4,175
120	3,545	178	3,723
145	3,569	6	3,575

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, RBRK's at the money IV moved from 54.7 percent to 57.4 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	54.7%	57.4%	+2.7 points
Open interest, strikes captured near the price	58,918	60,050	+1,132
Put/call ratio, open interest	0.25	0.23	-0.02

Open interest changes cannot identify buyers or sellers.

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

Open Since Yesterday in RingMaster The Since Yesterday guide

Changed Hands

On 28 Sep 2026, 5,618 RBRK option contracts traded, 0.9 times its own recent average.

Figure	Value
Calls traded	3,519
Puts traded	2,099
Against its recent average	0.9 times
Busier than	5 of its last 20 trading days
Open interest, whole chain	70,441 contracts
Volume to open interest	0.08
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 RBRK'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	96.93	$8.3 million	100	90
21 Sep 2026	112.96	$4.99 million	110	95
28 Sep 2026	113.09	$6.08 million	110	95

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 RBRK was bearish, paper trading.

Figure	Value
Side	Bearish at 45 trading days, no signal
Level above the close	116.12, the swing high of 23 Sep 2026, a close past it runs against the view
Level below the close	94.61, the swing low of 4 Sep 2026
The chart	Sits against the view
Strategy family	Bear put spread (buy a put spread)
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 RBRK sat at the 7th percentile of the model's 45 trading day ranking, paper trading.

Timeframe	Percentile	Side
10 trading days	21 of 100	Neutral
20 trading days	39 of 100	Neutral
45 trading days	7 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 RBRK 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.

Open Timeframe Agreement in RingMaster The Timeframe Agreement guide

Signal History

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

Trading day	Signal	45 day percentile
25 Sep 2026	None	7 of 100
24 Sep 2026	None	14 of 100
23 Sep 2026	None	16 of 100
22 Sep 2026	None	8 of 100
21 Sep 2026	None	22 of 100
18 Sep 2026	None	50 of 100
17 Sep 2026	None	27 of 100
16 Sep 2026	None	15 of 100

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

Open Signal History in RingMaster The Signal History guide

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

RBRK closed at 113.09 on 28 Sep 2026.

Figure	Value
Last close	113.09
Change over 5 trading days	+0.1%
Change over 21 trading days	+5.7%
Change over 63 trading days	+47.8%
Change over 252 trading days	+37.9%
52 week high	116.12
52 week low	42.25
20 day moving average	100.53
50 day moving average	92.92
200 day moving average	71.23
RSI, 14 days	63

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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Seasonality

In the 2 Septembers on record, RBRK's average change was minus 7.8 percent, and it rose in 0.0 percent of them.

Month	Average change	Middle change	Share of years up	Years
September	-7.8%	-7.8%	0.0%	2
October	+9.9%	+9.9%	50.0%	2
November	+7.6%	+7.6%	50.0%	2

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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Questions

What is RBRK's IV rank?: RBRK's IV rank is 21 of 100 on 28 Sep 2026.
What move are RBRK options pricing?: On 28 Sep 2026, RBRK options priced a move of 16.8 percent down and 17.1 percent up by 30 Oct 2026.
Where are RBRK's call wall and put wall?: On 28 Sep 2026, RBRK's call wall is the 110 strike and its put wall is the 95 strike.
What was the desk's latest view of RBRK on the Free plan?: On 25 Sep 2026 the desk's view of RBRK was bearish, paper trading.

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