ABOS · Acumen Pharmaceuticals, Inc.

Track ABOS — free Ask ALVIS about ABOS

$2.13 -0.04 (-1.84%) At close · Jul 24

Market Cap

$156.73M

72.23M

Options Chain

15-min delayed Underlying $2.13 · today Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 6 contracts

Put / call OI

0.00

Call-heavy positioning

Open interest

1,074

contracts outstanding

Volume

traded today

Max pain

$2.50

$0.37 above spot

ATM implied vol

243.2%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Oct 16 83d Dec 18 146d Jan 15 174d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
Underlying $2.13
818	2	248.2%	0.555	$0.19		$0.65	-0.455	238.1%	2	2
Call · $2.5 Last $0.19 Breakeven $2.69 Implied vol 248.2% Delta 0.555 ≈55% ITM Gamma 0.268 Theta -0.011 Vega 0.002 Open interest 818 Model this call Put · $2.5 In the money Last $0.65 Breakeven $1.85 Implied vol 238.1% Delta -0.455 ≈45% ITM Gamma 0.281 Theta -0.01 Vega 0.002 Open interest 2 Model this put
239	1	285%	0.244	$0.20		—	-0.628	368.6%	—	0
Call · $5 Last $0.20 Breakeven $5.20 Implied vol 285% Delta 0.244 ≈24% ITM Gamma 0.186 Theta -0.01 Vega 0.002 Open interest 239 Model this call Put · $5 In the money Last — Breakeven — Implied vol 368.6% Delta -0.628 ≈63% ITM Gamma 0.173 Theta -0.015 Vega 0.002 Open interest 0 Model this put
15	5	—	—	$0.22		—	-0.707	417.3%	—	0
Call · $7.5 Last $0.22 Breakeven $7.72 Implied vol — Delta — Gamma — Theta — Vega — Open interest 15 Model this call Put · $7.5 In the money Last — Breakeven — Implied vol 417.3% Delta -0.707 ≈71% ITM Gamma 0.14 Theta -0.015 Vega 0.002 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1576885 CUSIP 00509G209 13F (30d) 10 filings 10 filers Visit website Investor relations