Harmony Biosciences (HRMY) Options Chain

NASDAQ: HRMYHealth CareBiotechnology: Pharmaceutical PreparationsUSD

40.28+0.68 (+1.72%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $40.28
Put/call ratio (OI): 4.44
Put/call ratio (volume): 33.41
ATM implied volatility: 58.9%
Expected move: ±$10.24
Open interest (C / P): 2.52K / 11.19K

HRMY options summary

The HRMY options chain for the December 18, 2026 expiration lists 17 call and 14 put contracts, with 68 days until expiration. Open interest stands at 2,521 calls and 11,192 puts, a put/call ratio of 4.44, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $40.00 strike is 58.9%, which implies the market expects a move of about ±$10.24 (25.4%) in Harmony Biosciences stock by expiration.

The most open interest sits at the $40.00 call (1.69K contracts) and the $27.50 put (6.21K contracts).

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

HRMY options chain · December 18, 2026

HRMY 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
1	1	108.2%	24.43	23.30	27.40	15.00	0.00	2.30	0.60	194.7%	1	10
1	1	107.0%	21.98	20.90	25.00	17.50	0.00	2.40	0.70	170.4%	1	6
21	2	104.0%	21.62	18.60	22.60	20.00	0.05	2.45	0.20	149.4%	36	996
5	2	91.8%	19.20	16.10	20.20	22.50	0.00	2.50	0.10	129.1%	10	297
27	3	80.3%	15.79	13.60	17.80	25.00	0.00	2.75	1.15	114.7%	5	34
39	1	74.8%	15.30	11.30	15.50	27.50	0.00	0.90	0.05	68.4%	1	6,214
17	3	74.2%	10.80	9.40	13.30	30.00	0.00	2.90	1.00	83.6%	1	425
0	1	—	10.00	0.00	0.00	32.50	0.00	3.50	1.40	74.6%	1	1,015
62	15	68.5%	7.38	5.50	9.60	35.00	0.25	4.50	3.00	70.4%	2,000	2,002
50	10	67.0%	5.83	3.90	8.10	37.50	1.00	5.20	2.30	65.2%	3	6
1,690	11	54.9%	4.80	2.75	5.10	40.00	2.30	6.10	4.45	63.0%	6	166
HRMY $40.28
9	1	68.0%	4.12	1.70	5.90	42.50	3.90	7.90	6.50	66.3%	2	9
43	6	66.7%	1.55	0.85	4.90	45.00	—	—	—	—	—	—
7	1	67.4%	2.98	0.10	4.40	47.50	—	—	—	—	—	—
46	3	71.7%	1.78	0.15	3.80	50.00	21.00	24.60	16.58	236.0%	38	12
501	1	78.8%	1.78	0.00	3.10	55.00	25.60	29.20	20.53	246.4%	—	0
2	1	92.1%	0.85	0.45	2.75	60.00	—	—	—	—	—	—

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 HRMY put/call ratio?

For the December 18, 2026 expiration, the HRMY put/call ratio based on open interest is 4.44 (11,192 puts vs 2,521 calls), and 33.41 based on today's volume. A ratio above 1 means more puts than calls.

What is HRMY's implied volatility?

At-the-money implied volatility for HRMY options expiring December 18, 2026 is about 58.9%, an annualized estimate of how much the market expects Harmony Biosciences stock to move.

How many HRMY option expiration dates are there?

HRMY 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.