Options

SUNB options

Figures as of 28 Sep 2026

The options figures are from the close on 28 Sep 2026.

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At a glance

Figure	Value	Date
Priced move to 16 Oct	12.3% down, 10.6% up	28 Sep
Call wall and put wall	Both 80	28 Sep

Options Snapshot

SUNB's at the money implied volatility is 54.3 percent on 28 Sep 2026.

Figure	Value
IV rank	Not stated, 0 weeks of record
At the money IV	54.3%, near month, 18 days
Put/call ratio, open interest	0.33
Call open interest, strikes captured near the price	2,560 contracts
Put open interest, strikes captured near the price	839 contracts
Cost to trade at the money	Fair, 35.7% of the option's mid price

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, SUNB options priced a move of 12.3 percent down and 10.6 percent up by 16 Oct 2026.

Expiry	Days	Down	Up	Range
16 Oct 2026	18	12.3%	10.6%	65.71 to 82.81
20 Nov 2026	53	17.8%	18.7%	61.59 to 88.89
18 Dec 2026	81	25.5%	24.2%	55.79 to 92.99
19 Mar 2027	172	34.6%	36.6%	48.99 to 102.29

The range is one standard deviation either side of the close of 74.89, 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, SUNB's call wall and put wall are both at the 80 strike.

Figure	Value
Call wall, most open call gamma	80
Put wall, most open put gamma	80
Net dollar gamma, calls minus puts	$264,346
Total dollar gamma, both sides	$434,488
Close	74.89

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 2 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, SUNB's at the money IV is 54.3 percent against 20 day realized volatility of 44.9 percent.

Figure	Value
At the money IV	54.3%
Realized volatility, 20 trading days	44.9%
Realized volatility, 60 trading days	42.5%

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, SUNB's at the money IV runs from 54.3 percent at 18 days to 50.0 percent at 172 days.

Days to expiry	At the money IV
18	54.3%
53	47.8%
81	50.6%
172	50.0%

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 53 day expiry, SUNB's IV ten percent below the price sits 0.2 points below at the money IV.

Strike area	Implied volatility	Against at the money
10% below the price	47.6%	-0.2 points
At the money	47.8%	0.0 points
10% above the price	48.9%	+1.1 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, SUNB's surface spans 4 expiries out to 172 days, with IV from 46.7 to 55.2 percent near the price.

Figure	Value
Expiries captured	4
Nearest expiry	16 Oct 2026, 18 days
Farthest expiry	19 Mar 2027, 172 days
Points within 10% of the price, 7 days out or more	11
Lowest IV among them	46.7%
Highest IV among them	55.2%

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, SUNB has 4 captured expiries, from 16 Oct 2026 to 19 Mar 2027.

Expiry	Days	At the money IV	Call open interest	Put open interest
16 Oct 2026	18	54.3%	615	167
20 Nov 2026	53	47.8%	509	31
18 Dec 2026	81	50.6%	967	351
19 Mar 2027	172	50.0%	467	290

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, SUNB's largest open interest sits at the 80 strike, with 906 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
80	686	220	906
70	446	104	550
90	505	2	507
75	348	120	468
85	287	24	311
65	75	208	283

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, SUNB's at the money IV moved from 54.4 percent to 54.3 percent.

Figure	25 Sep	28 Sep	Change
At the money IV	54.4%	54.3%	-0.1 points
Open interest, strikes captured near the price	3,434	3,397	-37
Put/call ratio, open interest	0.34	0.33	-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, 801 SUNB option contracts traded, 1.1 times its own recent average.

Figure	Value
Calls traded	581
Puts traded	220
Against its recent average	1.1 times
Open interest, whole chain	3,656 contracts
Volume to open interest	0.22
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 2 trading days of SUNB's option positioning, from 25 Sep 2026 to 28 Sep 2026.

Date	Close	Net dollar gamma	Top call strike	Top put strike
25 Sep 2026	75.06	$260,102	80	80
28 Sep 2026	74.89	$264,346	80	80

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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Questions

What is SUNB's IV rank?: SUNB's at the money implied volatility is 54.3 percent on 28 Sep 2026.
What move are SUNB options pricing?: On 28 Sep 2026, SUNB options priced a move of 12.3 percent down and 10.6 percent up by 16 Oct 2026.
Where are SUNB's call wall and put wall?: On 28 Sep 2026, SUNB's call wall and put wall are both at the 80 strike.

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Strike	Call open interest	Put open interest	Total
80	686	220	906
70	446	104	550
90	505	2	507
75	348	120	468
85	287	24	311
65	75	208	283

Strike	Call open interest	Put open interest	Total
80	686	220	906
70	446	104	550
90	505	2	507
75	348	120	468
85	287	24	311
65	75	208	283

Strike	Call open interest	Put open interest	Total
80	686	220	906
70	446	104	550
90	505	2	507
75	348	120	468
85	287	24	311
65	75	208	283