MacroGenics (MGNX) Options Chain
NASDAQ: MGNXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 3.59 +1.13%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $3.55
- Put/call ratio (OI)
- 0.29
- Put/call ratio (volume)
- 0.68
- ATM implied volatility
- 155.5%
- Expected move
- ±$0.8171
- Open interest (C / P)
- 2.75K / 794
MGNX options summary
The MGNX options chain for the October 16, 2026 expiration lists 10 call and 3 put contracts, with 8 days until expiration. Open interest stands at 2,754 calls and 794 puts, a put/call ratio of 0.29, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 155.5%, which implies the market expects a move of about ±$0.8171 (23.0%) in MacroGenics stock by expiration.
The most open interest sits at the $7.00 call (1.08K contracts) and the $4.00 put (683 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MGNX options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.53 | 3.10 | 4.40 | 0.50 | 0.00 | 0.00 | 0.12 | |||||
| 3.87 | 2.60 | 3.60 | 1.00 | — | — | — | |||||
| 2.56 | 1.60 | 2.60 | 1.50 | — | — | — | |||||
| 2.10 | 1.20 | 1.95 | 2.00 | — | — | — | |||||
| 0.70 | 0.20 | 0.95 | 3.00 | 0.00 | 0.15 | 0.04 | |||||
| 0.07 | 0.00 | 0.75 | 4.00 | 0.40 | 0.55 | 0.55 | |||||
| 0.03 | 0.00 | 0.10 | 5.00 | — | — | — | |||||
| 0.35 | 0.00 | 0.20 | 6.00 | — | — | — | |||||
| 0.14 | 0.00 | 0.75 | 7.00 | — | — | — | |||||
| 0.05 | 0.00 | 1.00 | 8.00 | — | — | — | |||||
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 October 16, 2026 expiration, the MGNX put/call ratio based on open interest is 0.29 (794 puts vs 2,754 calls), and 0.68 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 October 16, 2026 is about 155.5%, 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.