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
- Apr 16, 2027
- Days to expiration
- 187
- Share price
- $2.14
- Put/call ratio (OI)
- 1.18
- Put/call ratio (volume)
- 5.21
- ATM implied volatility
- 163.9%
- Expected move
- ±$2.51
- Open interest (C / P)
- 577 / 680
ABOS options summary
The ABOS options chain for the April 16, 2027 expiration lists 3 call and 2 put contracts, with 187 days until expiration. Open interest stands at 577 calls and 680 puts, a put/call ratio of 1.18, which is fairly balanced between calls and puts. At-the-money implied volatility near the $2.50 strike is 163.9%, which implies the market expects a move of about ±$2.51 (117.3%) in Acumen Pharmaceuticals stock by expiration.
The most open interest sits at the $5.00 call (484 contracts) and the $2.50 put (423 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ABOS options chain · April 16, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.83 | 1.05 | 1.35 | 2.50 | 0.00 | 1.65 | 1.58 | |||||
| 0.89 | 0.45 | 1.10 | 5.00 | 1.80 | 5.40 | 2.75 | |||||
| 1.13 | 0.50 | 1.25 | 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 the ABOS put/call ratio?
For the April 16, 2027 expiration, the ABOS put/call ratio based on open interest is 1.18 (680 puts vs 577 calls), and 5.21 based on today's volume. A ratio above 1 means more puts than calls.
What is ABOS's implied volatility?
At-the-money implied volatility for ABOS options expiring April 16, 2027 is about 163.9%, 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.