INmune Bio (INMB) Options Chain
NASDAQ: INMBHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $1.89
- Put/call ratio (OI)
- 0.17
- Put/call ratio (volume)
- 1.83
- ATM implied volatility
- 104.1%
- Expected move
- ±$0.8492
- Open interest (C / P)
- 1.06K / 177
INMB options summary
The INMB options chain for the December 18, 2026 expiration lists 5 call and 4 put contracts, with 68 days until expiration. Open interest stands at 1,056 calls and 177 puts, a put/call ratio of 0.17, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 104.1%, which implies the market expects a move of about ±$0.8492 (44.9%) in INmune Bio stock by expiration.
The most open interest sits at the $3.00 call (486 contracts) and the $2.00 put (112 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
INMB options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.99 | 0.40 | 1.40 | 1.00 | — | — | — | |||||
| 0.30 | 0.00 | 0.40 | 2.00 | 0.00 | 1.00 | 0.28 | |||||
| 0.10 | 0.00 | 0.50 | 3.00 | 0.75 | 1.75 | 1.02 | |||||
| 0.06 | 0.00 | 0.15 | 4.00 | 0.00 | 0.00 | 2.14 | |||||
| 0.12 | 0.00 | 0.00 | 5.00 | 2.20 | 3.20 | 3.12 | |||||
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 INMB put/call ratio?
For the December 18, 2026 expiration, the INMB put/call ratio based on open interest is 0.17 (177 puts vs 1,056 calls), and 1.83 based on today's volume. A ratio above 1 means more puts than calls.
What is INMB's implied volatility?
At-the-money implied volatility for INMB options expiring December 18, 2026 is about 104.1%, an annualized estimate of how much the market expects INmune Bio stock to move.
How many INMB option expiration dates are there?
INMB has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.