Assembly Biosciences (ASMB) Options Chain
NASDAQ: ASMBHealth 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
- $23.53
- Expected move
- ±$7.47
- Open interest (C / P)
- 0 / 49
ASMB options summary
The ASMB options chain for the November 20, 2026 expiration lists 0 call and 4 put contracts, with 40 days until expiration. At-the-money implied volatility near the $22.50 strike is 95.8%, which implies the market expects a move of about ±$7.47 (31.7%) in Assembly Biosciences stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
ASMB options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 20.00 | 0.00 | 1.25 | 0.80 | |||||
| — | — | — | 22.50 | 0.00 | 4.90 | 2.00 | |||||
| — | — | — | 25.00 | 1.40 | 5.50 | 4.01 | |||||
| — | — | — | 30.00 | 5.10 | 9.50 | 6.54 | |||||
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 ASMB's implied volatility?
At-the-money implied volatility for ASMB options expiring November 20, 2026 is about 95.8%, an annualized estimate of how much the market expects Assembly Biosciences stock to move.
How many ASMB option expiration dates are there?
ASMB 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.