MacroGenics (MGNX) Options Chain
NASDAQ: MGNXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $3.74
- Put/call ratio (OI)
- 3.04
- Put/call ratio (volume)
- 0.26
- ATM implied volatility
- 114.8%
- Expected move
- ±$1.42
- Open interest (C / P)
- 57 / 173
MGNX options summary
The MGNX options chain for the November 20, 2026 expiration lists 4 call and 2 put contracts, with 40 days until expiration. Open interest stands at 57 calls and 173 puts, a put/call ratio of 3.04, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $4.00 strike is 114.8%, which implies the market expects a move of about ±$1.42 (38.0%) in MacroGenics stock by expiration.
The most open interest sits at the $6.00 call (26 contracts) and the $4.00 put (93 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MGNX options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.35 | 0.50 | 1.25 | 3.00 | 0.15 | 0.30 | 0.35 | |||||
| 0.40 | 0.00 | 0.80 | 4.00 | 0.60 | 1.00 | 0.64 | |||||
| 0.20 | 0.00 | 0.40 | 5.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.70 | 6.00 | — | — | — | |||||
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 MGNX put/call ratio?
For the November 20, 2026 expiration, the MGNX put/call ratio based on open interest is 3.04 (173 puts vs 57 calls), and 0.26 based on today's volume. A ratio above 1 means more puts than calls.
What is MGNX's implied volatility?
At-the-money implied volatility for MGNX options expiring November 20, 2026 is about 114.8%, an annualized estimate of how much the market expects MacroGenics stock to move.
How many MGNX option expiration dates are there?
MGNX has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.
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.