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: Dec 15, 2028
Days to expiration: 796
Share price: $62.75
Put/call ratio (OI): 0.14
Put/call ratio (volume): 0.11
ATM implied volatility: 86.7%
Expected move: ±$80.30
Open interest (C / P): 454 / 65

ARWR options summary

The ARWR options chain for the December 15, 2028 expiration lists 18 call and 6 put contracts, with 796 days until expiration. Open interest stands at 454 calls and 65 puts, a put/call ratio of 0.14, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $65.00 strike is 86.7%, which implies the market expects a move of about ±$80.30 (128.0%) in Arrowhead Pharmaceuticals stock by expiration.

The most open interest sits at the $100.00 call (100 contracts) and the $55.00 put (50 contracts).

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

ARWR options chain · December 15, 2028

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
95	—	69.2%	38.95	34.50	39.50	32.50	—	—	—	—	—	—
13	3	65.3%	29.53	30.00	34.50	40.00	—	—	—	—	—	—
1	—	173.5%	42.10	50.00	55.00	42.50	—	—	—	—	—	—
—	—	—	—	—	—	50.00	6.60	11.50	8.00	53.1%	—	2
9	3	60.8%	26.20	22.00	27.00	55.00	9.10	14.00	8.70	52.1%	—	50
8	1	59.5%	27.00	20.00	24.50	60.00	—	—	—	—	—	—
ARWR $62.75
22	44	124.8%	32.50	37.50	42.50	65.00	14.00	19.00	17.10	48.5%	10	7
51	50	58.1%	22.00	17.00	21.70	67.50	—	—	—	—	—	—
11	1	57.8%	21.00	16.00	21.00	70.00	—	—	—	—	—	—
2	1	57.5%	18.49	14.50	19.50	75.00	—	—	—	—	—	—
7	7	56.8%	24.40	13.00	18.00	80.00	23.60	28.50	22.81	45.3%	7	3
1	1	55.2%	19.30	11.00	15.50	87.50	—	—	—	—	—	—
4	1	54.6%	28.00	10.00	15.00	90.00	22.50	27.50	26.71	14.2%	2	2
11	5	54.4%	15.20	9.00	14.00	95.00	—	—	—	—	—	—
100	50	53.6%	11.00	8.50	12.20	100.00	38.80	43.00	39.10	40.5%	3	1
20	—	52.6%	11.90	6.00	11.00	110.00	—	—	—	—	—	—
37	34	85.9%	24.56	16.50	21.00	125.00	—	—	—	—	—	—
18	—	81.6%	20.80	14.10	19.00	130.00	—	—	—	—	—	—
44	1	52.8%	10.00	3.50	7.50	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 December 15, 2028 expiration, the ARWR put/call ratio based on open interest is 0.14 (65 puts vs 454 calls), and 0.11 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 December 15, 2028 is about 86.7%, 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.