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
- May 21, 2027
- Days to expiration
- 222
- Share price
- $37.07
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.17
- Expected move
- ±$14.72
- Open interest (C / P)
- 200 / 3
GMAB options summary
The GMAB options chain for the May 21, 2027 expiration lists 3 call and 1 put contracts, with 222 days until expiration. Open interest stands at 200 calls and 3 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $40.00 strike is 50.9%, which implies the market expects a move of about ±$14.72 (39.7%) in Genmab A/S stock by expiration.
The most open interest sits at the $45.00 call (184 contracts) and the $17.50 put (3 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GMAB options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 17.50 | 0.00 | 0.30 | 0.35 | |||||
| 5.65 | 2.75 | 6.70 | 40.00 | — | — | — | |||||
| 2.61 | 1.10 | 4.70 | 45.00 | — | — | — | |||||
| 2.10 | 0.00 | 3.50 | 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 May 21, 2027 expiration, the GMAB put/call ratio based on open interest is 0.01 (3 puts vs 200 calls), and 0.17 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 May 21, 2027 is about 50.9%, 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.