Arrowhead Pharmaceuticals (ARWR) Options Chain

NASDAQ: ARWRHealth CareBiotechnology: Pharmaceutical PreparationsUSD

62.75+2.01 (+3.31%)

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

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $62.75
Put/call ratio (OI): 0.59
Put/call ratio (volume): 0.28
ATM implied volatility: 55.1%
Expected move: ±$17.74
Open interest (C / P): 6.59K / 3.91K

ARWR options summary

The ARWR options chain for the January 15, 2027 expiration lists 40 call and 30 put contracts, with 96 days until expiration. Open interest stands at 6,590 calls and 3,906 puts, a put/call ratio of 0.59, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $62.50 strike is 55.1%, which implies the market expects a move of about ±$17.74 (28.3%) in Arrowhead Pharmaceuticals stock by expiration.

The most open interest sits at the $100.00 call (1.65K contracts) and the $70.00 put (799 contracts).

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

ARWR options chain · January 15, 2027

ARWR 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
12	2	282.1%	53.10	48.50	53.50	15.00	—	—	—	—	—	—
6	1	—	68.63	66.80	70.70	18.00	—	—	—	—	—	—
18	2	118.6%	46.94	41.00	45.00	20.00	0.00	5.00	1.85	206.9%	10	8
0	2	207.9%	51.00	41.00	45.50	23.00	—	—	—	—	—	—
3	1	980.5%	62.25	60.30	64.30	25.00	0.00	2.85	1.06	143.3%	1	23
5	1	731.5%	54.50	58.40	62.30	27.00	0.00	2.15	1.10	123.0%	50	37
8	1	89.2%	57.43	31.20	35.20	30.00	0.00	2.35	0.82	112.3%	10	708
8	1	154.9%	38.50	32.10	37.00	32.00	0.00	0.00	1.66	25.0%	1	0
71	4	475.6%	56.80	50.60	54.60	35.00	0.00	3.30	2.50	102.6%	—	1
14	5	430.9%	50.38	48.10	52.10	37.00	0.00	2.45	0.50	86.5%	3	3
131	2	71.9%	41.60	21.70	25.80	40.00	0.00	2.60	0.65	77.8%	4	7
233	1	358.3%	38.50	42.20	45.80	45.00	0.00	3.10	1.20	65.9%	2	42
55	1	60.9%	13.40	13.20	17.10	50.00	0.75	4.00	2.75	60.6%	8	272
—	—	—	—	—	—	52.50	2.25	3.40	3.50	57.3%	1	31
71	1	54.0%	10.35	9.60	12.60	55.00	1.90	4.60	3.50	53.0%	5	165
10	1	56.5%	9.50	8.00	11.80	57.50	2.70	5.70	4.60	52.7%	1	312
449	100	58.0%	8.70	7.10	10.40	60.00	3.80	6.80	5.17	52.3%	1	213
16	14	57.5%	5.90	5.50	9.50	62.50	5.40	7.90	6.60	52.8%	6	78
ARWR $62.75
72	34	54.8%	6.20	5.70	6.50	65.00	7.50	9.50	9.10	55.9%	75	370
87	12	59.2%	4.63	4.70	6.80	67.50	7.40	11.20	8.87	64.7%	3	27
166	76	55.0%	4.40	2.80	6.00	70.00	8.90	13.00	12.00	65.7%	103	799
61	4	53.3%	2.98	2.10	4.90	72.50	11.00	14.80	14.80	50.3%	4	72
171	6	56.6%	2.45	2.20	4.40	75.00	13.00	16.70	12.30	50.5%	1	227
7	1	54.3%	2.17	1.45	3.60	77.50	15.10	18.70	13.80	50.7%	4	29
286	2	51.7%	1.75	1.20	2.50	80.00	16.70	20.80	17.35	67.9%	6	392
26	1	54.1%	6.60	0.90	2.55	82.50	18.90	22.90	14.90	68.4%	5	8
147	2	52.0%	1.45	0.00	2.50	85.00	21.50	25.20	20.80	50.0%	1	5
61	2	53.1%	1.95	0.00	2.20	87.50	23.40	27.40	12.60	71.0%	1	18
475	15	58.9%	0.82	0.80	1.80	90.00	26.30	29.80	30.40	51.6%	1	6
19	6	57.9%	2.80	0.00	2.05	92.50	28.90	32.10	13.40	53.5%	1	25
176	10	59.4%	0.70	0.10	1.80	95.00	30.70	34.50	16.23	76.3%	1	20
10	10	63.2%	8.07	0.00	2.05	97.50	—	—	—	—	—	—
1,647	2	55.8%	0.60	0.00	1.00	100.00	18.50	19.90	30.80	—	4	4
139	5	74.0%	0.90	0.00	2.50	105.00	—	—	—	—	—	—
608	12	58.4%	0.45	0.05	0.55	110.00	—	—	—	—	—	—
168	9	81.5%	0.55	0.00	2.35	115.00	—	—	—	—	—	—
329	17	85.1%	0.45	0.00	2.30	120.00	32.90	36.70	36.70	—	2	4
143	38	88.3%	0.35	0.00	2.25	125.00	—	—	—	—	—	—
186	8	91.4%	0.25	0.00	2.20	130.00	—	—	—	—	—	—
27	7	94.7%	0.33	0.00	2.20	135.00	—	—	—	—	—	—
469	704	97.4%	0.15	0.00	2.15	140.00	—	—	—	—	—	—

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 ARWR put/call ratio?

For the January 15, 2027 expiration, the ARWR put/call ratio based on open interest is 0.59 (3,906 puts vs 6,590 calls), and 0.28 based on today's volume. A ratio above 1 means more puts than calls.

What is ARWR's implied volatility?

At-the-money implied volatility for ARWR options expiring January 15, 2027 is about 55.1%, an annualized estimate of how much the market expects Arrowhead Pharmaceuticals stock to move.

How many ARWR option expiration dates are there?

ARWR has 8 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.