INmune Bio (INMB) Options Chain
NASDAQ: INMBHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
Market open · Delayed 15 min · as of Oct 9, 3:47 PM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $1.89
- Put/call ratio (OI)
- 0.07
- Put/call ratio (volume)
- 0.55
- ATM implied volatility
- 191.4%
- Expected move
- ±$0.4997
- Open interest (C / P)
- 158 / 11
INMB options summary
The INMB options chain for the October 16, 2026 expiration lists 3 call and 1 put contracts, with 7 days until expiration. Open interest stands at 158 calls and 11 puts, a put/call ratio of 0.07, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 191.4%, which implies the market expects a move of about ±$0.4997 (26.5%) in INmune Bio stock by expiration.
The most open interest sits at the $2.00 call (117 contracts) and the $2.00 put (11 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
INMB options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.02 | 0.35 | 1.35 | 1.00 | — | — | — | |||||
| 0.05 | 0.05 | 0.10 | 2.00 | 0.00 | 0.75 | 0.20 | |||||
| 0.10 | 0.00 | 0.05 | 3.00 | — | — | — | |||||
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 INMB put/call ratio?
For the October 16, 2026 expiration, the INMB put/call ratio based on open interest is 0.07 (11 puts vs 158 calls), and 0.55 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 October 16, 2026 is about 191.4%, 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.