Arbutus Biopharma (ABUS) Options Chain
NASDAQ: ABUSHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $4.22
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.07
- ATM implied volatility
- 153.9%
- Expected move
- ±$2.15
- Open interest (C / P)
- 1.17K / 12
ABUS options summary
The ABUS options chain for the November 20, 2026 expiration lists 2 call and 1 put contracts, with 40 days until expiration. Open interest stands at 1,166 calls and 12 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 153.9%, which implies the market expects a move of about ±$2.15 (51.0%) in Arbutus Biopharma stock by expiration.
The most open interest sits at the $5.00 call (1.15K contracts) and the $5.00 put (12 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ABUS options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.47 | 0.00 | 1.90 | 4.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.55 | 5.00 | 0.25 | 2.30 | 0.87 | |||||
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 November 20, 2026 expiration, the ABUS put/call ratio based on open interest is 0.01 (12 puts vs 1,166 calls), and 0.07 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 November 20, 2026 is about 153.9%, 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.