Arbutus Biopharma (ABUS) Options Chain

NASDAQ: ABUSHealth CareBiotechnology: Pharmaceutical PreparationsUSD

4.17-0.01 (-0.24%)

Market open · Delayed 15 min · as of Oct 9, 11:05 AM ET

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $4.17
Put/call ratio (OI): 0.63
Put/call ratio (volume): 1.03
ATM implied volatility: 71.9%
Expected move: ±$0.4151
Open interest (C / P): 44.97K / 28.21K

ABUS options summary

The ABUS options chain for the October 16, 2026 expiration lists 6 call and 5 put contracts, with 7 days until expiration. Open interest stands at 44,966 calls and 28,215 puts, a put/call ratio of 0.63, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 71.9%, which implies the market expects a move of about ±$0.4151 (10.0%) in Arbutus Biopharma stock by expiration.

The most open interest sits at the $10.00 call (28.08K contracts) and the $10.00 put (14.05K contracts).

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

ABUS options chain · October 16, 2026

ABUS 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
0	—	185.9%	1.50	0.85	1.60	3.00	—	—	—	—	—	—
0	1	95.3%	1.04	0.00	0.65	4.00	0.00	0.05	0.05	48.4%	801	647
ABUS $4.17
530	1	90.6%	0.05	0.00	0.05	5.00	0.25	1.00	0.82	175.8%	61	2,265
1,111	200	153.1%	0.04	0.00	0.05	6.00	0.00	0.00	0.95	—	40	0
15,244	12,169	198.4%	0.01	0.00	0.05	7.00	2.20	3.40	2.45	508.6%	12,001	11,250
28,081	169	300.0%	0.02	0.00	0.05	10.00	4.90	6.80	5.60	287.5%	1	14,053

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 ABUS put/call ratio?

For the October 16, 2026 expiration, the ABUS put/call ratio based on open interest is 0.63 (28,215 puts vs 44,966 calls), and 1.03 based on today's volume. A ratio above 1 means more puts than calls.

What is ABUS's implied volatility?

At-the-money implied volatility for ABUS options expiring October 16, 2026 is about 71.9%, an annualized estimate of how much the market expects Arbutus Biopharma stock to move.

How many ABUS option expiration dates are there?

ABUS has 5 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.