Options

GMAB options

Figures as of 7 Oct 2026

The options figures are from the close on 7 Oct 2026.

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At a glance

Figure	Value	Date
IV rank	31 of 100	7 Oct
At the money IV	63.9%	7 Oct
Expected move, from option prices	28.76 to 44.79 by 20 Nov (down 21.5%, up 22.2%)	7 Oct
Call wall and put wall	40 and 30	7 Oct
Last close	36.65	7 Oct
Next report	5 Nov 2026	7 Oct

Options Snapshot

GMAB's IV rank is 31 of 100 on 7 Oct 2026.

Figure	Value
IV rank	31 of 100
At the money IV	63.9%, near month, 44 days
Put/call ratio, open interest	0.33
Call open interest, strikes captured near the price	73,100 contracts
Put open interest, strikes captured near the price	24,000 contracts
Cost to trade at the money	Wide, 129.5% of the option's mid price

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

From the option chain at the close on 7 Oct 2026. Current on every plan.

Open Options Snapshot in RingMaster The Options Snapshot guide

Expected Move

On 7 Oct 2026, the option prices for GMAB implied an expected move of 28.76 to 44.79 by 20 Nov 2026. That is 21.5 percent down and 22.2 percent up.

Expiry	Days	Down	Up	Range
16 Oct 2026	9	9.3%	9.3%	33.25 to 40.05
20 Nov 2026	44	21.5%	22.2%	28.76 to 44.79
18 Dec 2026	72	24.8%	25.0%	27.55 to 45.82
15 Jan 2027	100	31.4%	29.7%	25.15 to 47.55
19 Feb 2027	135	43.4%	41.5%	20.75 to 51.85

The range is one standard deviation either side of the close of 36.65, as the option prices imply it.

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

From the option chain at the close on 7 Oct 2026. Current on every plan.

Open Expected Move in RingMaster The Expected Move guide

Gamma Map

On 7 Oct 2026, GMAB's call wall is the 40 strike and its put wall is the 30 strike.

Figure	Value
Call wall, most open call gamma	40
Put wall, most open put gamma	30
Zero gamma, where net gamma would change sign	None within 20% of the price
Net gamma exposure (GEX), calls minus puts	$2.54 million
Total gamma exposure (GEX), both sides	$4.48 million
Close	36.65

Gamma exposure (GEX) is dollar gamma, 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.

Zero gamma is where calls minus puts gamma would change sign if the price moved there, holding tonight's contracts fixed. It assumes hedgers hold the calls and sold the puts, which the chain cannot show. On our August to October 2026 captures, names below it moved no more than names above it.

From the option chain at the close on 7 Oct 2026. Current on every plan.

Open Gamma Map in RingMaster The Gamma Map guide

Volatility History

On 7 Oct 2026, GMAB's at the money IV is 63.9 percent against 20 day realized volatility of 45.6 percent.

Figure	Value
At the money IV	63.9%
Realized volatility, 20 trading days	45.6%
Realized volatility, 60 trading days	34.5%
IV against its own weekly record	In the middle
Weekly readings on record	298, from 27 Sep 2019
Weeks the price moved more than the one week expected move	3.0% of 199 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 7 Oct 2026. Current on every plan.

Open Volatility History in RingMaster The Volatility History guide

Volatility Weather

On 7 Oct 2026, GMAB's at the money IV runs from 59.1 percent at 9 days to 68.3 percent at 135 days.

Days to expiry	At the money IV
9	59.1%
44	63.9%
72	56.4%
100	56.8%
135	68.3%

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

From the option chain at the close on 7 Oct 2026. Current on every plan.

Open Volatility Weather in RingMaster The Volatility Weather guide

Volatility Surface

On 7 Oct 2026, GMAB's surface spans 5 expiries out to 135 days, with IV from 50.6 to 68.0 percent near the price.

Figure	Value
Expiries captured	5
Nearest expiry	16 Oct 2026, 9 days
Farthest expiry	19 Feb 2027, 135 days
Points within 10% of the price, 7 days out or more	10
Lowest IV among them	50.6%
Highest IV among them	68.0%

From the option chain at the close on 7 Oct 2026. Current on every plan.

Open Volatility Surface in RingMaster The Volatility Surface guide

Expiry Ladder

On 7 Oct 2026, GMAB has 5 captured expiries, from 16 Oct 2026 to 19 Feb 2027.

Expiry	Days	At the money IV	Call open interest	Put open interest
16 Oct 2026	9	59.1%	3,591	4,212
20 Nov 2026	44	63.9%	4,959	9,160
18 Dec 2026	72	56.4%	51,739	2,646
15 Jan 2027	100	56.8%	9,921	5,852
19 Feb 2027	135	68.3%	2,929	2,102

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

From the option chain at the close on 7 Oct 2026. Current on every plan.

Open Expiry Ladder in RingMaster The Expiry Ladder guide

Strike Table

On 7 Oct 2026, GMAB's largest open interest sits at the 40 strike, with 28,669 contracts across the captured expiries.

Strike	Call open interest	Put open interest	Total
40	28,667	2	28,669
30	10,456	12,996	23,452
50	18,160	0	18,160
35	10,880	5,310	16,190
25	642	4,868	5,510
45	3,636	0	3,636

From the option chain at the close on 7 Oct 2026. Current on every plan.

Open Strike Table in RingMaster The Strike Table guide

Changed Hands

On 7 Oct 2026, 19,230 GMAB option contracts traded.

Figure	Value
Calls traded	12,221
Puts traded	7,009
Open interest, whole chain	98,789 contracts
Volume to open interest	0.19
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 7 Oct 2026. Current on every plan.

Open Changed Hands in RingMaster The Changed Hands guide

Positioning Replay

The replay holds 6 trading days of GMAB's option positioning, from 1 Sep 2026 to 7 Oct 2026.

Date	Close	Net dollar gamma	Top call strike	Top put strike
1 Sep 2026	33.29	$1.02 million	30	30
7 Oct 2026	36.65	$2.54 million	40	30

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 7 Oct 2026. Current on every plan.

Open Positioning Replay in RingMaster The Positioning Replay guide

Price Chart

GMAB closed at 36.65 on 7 Oct 2026.

Figure	Value
Last close	36.65
Change over 5 trading days	+2.7%
Change over 21 trading days	+9.3%
Change over 63 trading days	+23.1%
Change over 252 trading days	+10.0%
52 week high	40.17
52 week low	23.62
20 day moving average	34.94
50 day moving average	33.20
200 day moving average	29.72
RSI, 14 days	61

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

From the daily bars through 7 Oct 2026. Current on every plan.

Open Price Chart in RingMaster The Price Chart guide

Earnings Radar

GMAB reports next on 5 Nov 2026, a date worked out from past quarters.

Figure	Value
Next report	5 Nov 2026, after close
Date	Worked out from past quarters
Move after the report of 6 Aug 2026	+1.9%
Move after the report of 30 Apr 2026	-0.3%
Move after the report of 28 Jan 2026	+1.3%
Move after the report of 8 May 2025	-5.7%

Earnings calendar as of 7 Oct 2026. Current on every plan.

Open Earnings Radar in RingMaster The Earnings Radar guide

Seasonality

In the 12 Octobers on record, GMAB's average change was minus 2.0 percent, and it rose in 41.7 percent of them.

Month	Average change	Middle change	Share of years up	Years
October	-2.0%	-4.6%	41.7%	12
November	+8.9%	+11.9%	75.0%	12
December	-0.3%	-1.1%	50.0%	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 7 Oct 2026. Current on every plan.

Open Seasonality in RingMaster The Seasonality guide

Headlines

The desk's news feeds carried 8 headlines naming GMAB in the 3 days to 7 Oct 2026.

Figure	Value
Headlines in the window	8
Latest	7 Oct 2026

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

Headlines as of 7 Oct 2026. Current on every plan.

Open Headlines in RingMaster The Headlines guide

Questions

What is GMAB's IV rank?: GMAB's IV rank is 31 of 100 on 7 Oct 2026. IV rank is where the at the money IV sits among GMAB's own weekly readings, 0 the lowest and 100 the highest.
What is GMAB's expected move?: On 7 Oct 2026, the option prices for GMAB implied an expected move of 28.76 to 44.79 by 20 Nov 2026. That is 21.5 percent down and 22.2 percent up.
Where are GMAB's call wall and put wall?: On 7 Oct 2026, GMAB's call wall is the 40 strike and its put wall is the 30 strike.
When does GMAB report earnings next?: GMAB reports next on 5 Nov 2026, a date worked out from past quarters.

Ask an AI about GMAB

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Example prompt: “What is GMAB's IV rank, what move are its options pricing, and where are its call wall and put wall?”

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