ABUS · Arbutus Biopharma Corp

Track ABUS — free Ask ALVIS about ABUS

$4.41 +0.00 (+0.00%) At close · Jul 28

Market Cap

$871.14M

197.54M

Options Chain

15-min delayed Underlying $4.41 · at close Jul 28, 2026 Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 16 contracts

Put / call OI

0.19

Call-heavy positioning

Open interest

5,069

contracts outstanding

Volume

280

traded today

Max pain

$4.00

$0.41 below spot

ATM implied vol

93.8%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 23d Sep 18 51d Dec 18 142d Jan 15 170d Mar 19 233d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
3	1	—	—	$3.55		$0.10	—	—	1	1
Call · $1 In the money Last $3.55 Breakeven $4.55 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $1 Last $0.10 Breakeven $0.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
6	1	284.1%	0.926	$2.55		—	—	—	—	0
Call · $2 In the money Last $2.55 Breakeven $4.55 Implied vol 284.1% Delta 0.926 ≈93% ITM Gamma 0.045 Theta -0.01 Vega 0.002 Open interest 6 Model this call Put · $2 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
7	2	169.7%	0.86	$1.58		$0.30	—	—	1	1
Call · $3 In the money Last $1.58 Breakeven $4.58 Implied vol 169.7% Delta 0.86 ≈86% ITM Gamma 0.119 Theta -0.009 Vega 0.002 Open interest 7 Model this call Put · $3 Last $0.30 Breakeven $2.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
322	241	111.6%	0.673	$0.60		$0.20	-0.295	76.1%	1	815
Call · $4 In the money Last $0.60 Breakeven $4.60 Implied vol 111.6% Delta 0.673 ≈67% ITM Gamma 0.295 Theta -0.01 Vega 0.004 Open interest 322 Model this call Put · $4 Last $0.20 Breakeven $3.80 Implied vol 76.1% Delta -0.295 ≈29% ITM Gamma 0.415 Theta -0.006 Vega 0.004 Open interest 815 Model this put
Underlying $4.41
1.5k	5	75.7%	0.267	$0.15		$0.76	—	—	1	2
Call · $5 Last $0.15 Breakeven $5.15 Implied vol 75.7% Delta 0.267 ≈27% ITM Gamma 0.399 Theta -0.006 Vega 0.004 Open interest 1.5k Model this call Put · $5 In the money Last $0.76 Breakeven $4.24 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
2.4k	1	103.6%	0.141	$0.08		—	—	—	—	0
Call · $6 Last $0.08 Breakeven $6.08 Implied vol 103.6% Delta 0.141 ≈14% ITM Gamma 0.195 Theta -0.005 Vega 0.002 Open interest 2.4k Model this call Put · $6 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	215.6%	0.28	—		—	—	—	—	0
Call · $7 Last — Breakeven — Implied vol 215.6% Delta 0.28 ≈28% ITM Gamma 0.141 Theta -0.017 Vega 0.004 Open interest 0 Model this call Put · $7 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
25	25	—	—	$0.08		—	—	—	—	0
Call · $8 Last $0.08 Breakeven $8.08 Implied vol — Delta — Gamma — Theta — Vega — Open interest 25 Model this call Put · $8 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1447028 CUSIP 03879J100 13F (30d) 18 filings 18 filers Visit website