Acumen Pharmaceuticals (ABOS) Options Chain
NASDAQ: ABOSHealth 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
- 67
- Share price
- $2.14
- Put/call ratio (volume)
- 7.44
- Expected move
- ±$0.1146
- Open interest (C / P)
- 0 / 0
ABOS options summary
The ABOS options chain for the December 18, 2026 expiration lists 3 call and 2 put contracts, with 67 days until expiration. At-the-money implied volatility near the $2.50 strike is 12.5%, which implies the market expects a move of about ±$0.1146 (5.4%) in Acumen Pharmaceuticals stock by expiration. The most open interest sits at the $2.50 call (0 contracts) and the $2.50 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ABOS options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.90 | 0.00 | 0.00 | 2.50 | 0.00 | 0.00 | 1.34 | |||||
| 0.71 | 0.00 | 0.00 | 5.00 | 0.00 | 0.00 | 2.55 | |||||
| 0.44 | 0.00 | 0.00 | 7.50 | — | — | — | |||||
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 ABOS's implied volatility?
At-the-money implied volatility for ABOS options expiring December 18, 2026 is about 12.5%, an annualized estimate of how much the market expects Acumen Pharmaceuticals stock to move.
How many ABOS option expiration dates are there?
ABOS has 5 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.