Genmab A/S (GMAB) Options Chain
NASDAQ: GMABHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Feb 19, 2027
- Days to expiration
- 131
- Share price
- $37.07
- Put/call ratio (OI)
- 0.87
- Put/call ratio (volume)
- 1.13
- Expected move
- ±$13.06
- Open interest (C / P)
- 2.93K / 2.56K
GMAB options summary
The GMAB options chain for the February 19, 2027 expiration lists 8 call and 9 put contracts, with 131 days until expiration. Open interest stands at 2,932 calls and 2,564 puts, a put/call ratio of 0.87, which is fairly balanced between calls and puts. At-the-money implied volatility near the $35.00 strike is 58.8%, which implies the market expects a move of about ±$13.06 (35.2%) in Genmab A/S stock by expiration.
The most open interest sits at the $35.00 call (1.40K contracts) and the $30.00 put (1.41K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GMAB options chain · February 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 12.50 | 0.00 | 0.05 | 0.05 | |||||
| — | — | — | 15.00 | 0.00 | 1.30 | 0.15 | |||||
| — | — | — | 17.50 | 0.00 | 2.85 | 0.85 | |||||
| 10.00 | 12.00 | 15.90 | 20.00 | 0.00 | 1.00 | 0.40 | |||||
| 10.10 | 0.00 | 0.00 | 22.50 | 0.00 | 0.00 | 1.20 | |||||
| 6.97 | 7.50 | 11.70 | 25.00 | 0.00 | 2.55 | 1.16 | |||||
| 6.00 | 6.90 | 11.00 | 30.00 | 0.00 | 3.50 | 2.25 | |||||
| 5.50 | 4.00 | 8.10 | 35.00 | 1.40 | 4.20 | 4.90 | |||||
| 4.50 | 2.15 | 5.60 | 40.00 | 0.00 | 0.00 | 8.30 | |||||
| 2.15 | 0.80 | 2.75 | 45.00 | — | — | — | |||||
| 1.55 | 0.00 | 3.20 | 50.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the GMAB put/call ratio?
For the February 19, 2027 expiration, the GMAB put/call ratio based on open interest is 0.87 (2,564 puts vs 2,932 calls), and 1.13 based on today's volume. A ratio above 1 means more puts than calls.
What is GMAB's implied volatility?
At-the-money implied volatility for GMAB options expiring February 19, 2027 is about 58.8%, an annualized estimate of how much the market expects Genmab A/S stock to move.
How many GMAB option expiration dates are there?
GMAB has 8 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.