Acadia Healthcare (ACHC) Options Chain

NASDAQ: ACHCHealth CareMedical SpecialitiesUSD

29.25+0.77 (+2.70%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $29.25
Put/call ratio (OI): 3.02
Put/call ratio (volume): 0.44
ATM implied volatility: 62.1%
Expected move: ±$6.02
Open interest (C / P): 108 / 326

ACHC options summary

The ACHC options chain for the November 20, 2026 expiration lists 2 call and 3 put contracts, with 40 days until expiration. Open interest stands at 108 calls and 326 puts, a put/call ratio of 3.02, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $30.00 strike is 62.1%, which implies the market expects a move of about ±$6.02 (20.6%) in Acadia Healthcare stock by expiration.

The most open interest sits at the $35.00 call (57 contracts) and the $22.50 put (301 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

ACHC options chain · November 20, 2026

ACHC calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	22.50	0.00	0.70	0.40	67.4%	1	301
—	—	—	—	—	—	25.00	0.35	0.90	0.85	58.1%	12	22
ACHC $29.25
51	30	60.2%	2.05	1.85	2.20	30.00	2.45	3.40	2.67	64.1%	2	3
57	4	51.5%	0.50	0.20	0.65	35.00	—	—	—	—	—	—

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 ACHC put/call ratio?

For the November 20, 2026 expiration, the ACHC put/call ratio based on open interest is 3.02 (326 puts vs 108 calls), and 0.44 based on today's volume. A ratio above 1 means more puts than calls.

What is ACHC's implied volatility?

At-the-money implied volatility for ACHC options expiring November 20, 2026 is about 62.1%, an annualized estimate of how much the market expects Acadia Healthcare stock to move.

How many ACHC option expiration dates are there?

ACHC has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.

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.