Arcus Biosciences (RCUS) Options Chain
NYSE: RCUSHealth 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
- $24.41
- Put/call ratio (OI)
- 1.60
- Put/call ratio (volume)
- 0.17
- Expected move
- ±$7.09
- Open interest (C / P)
- 10 / 16
RCUS options summary
The RCUS options chain for the November 20, 2026 expiration lists 5 call and 2 put contracts, with 40 days until expiration. Open interest stands at 10 calls and 16 puts, a put/call ratio of 1.60, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $25.00 strike is 87.7%, which implies the market expects a move of about ±$7.09 (29.0%) in Arcus Biosciences stock by expiration.
The most open interest sits at the $25.00 call (6 contracts) and the $22.50 put (16 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
RCUS options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 6.87 | — | — | 20.00 | — | — | — | |||||
| 3.70 | 1.50 | 5.50 | 22.50 | 0.20 | 5.00 | 3.00 | |||||
| 3.60 | 0.20 | 5.00 | 25.00 | — | — | 3.01 | |||||
| 1.52 | 0.00 | 2.60 | 30.00 | — | — | — | |||||
| 0.15 | 0.00 | 5.00 | 40.00 | — | — | — | |||||
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 RCUS put/call ratio?
For the November 20, 2026 expiration, the RCUS put/call ratio based on open interest is 1.60 (16 puts vs 10 calls), and 0.17 based on today's volume. A ratio above 1 means more puts than calls.
What is RCUS's implied volatility?
At-the-money implied volatility for RCUS options expiring November 20, 2026 is about 87.7%, an annualized estimate of how much the market expects Arcus Biosciences stock to move.
How many RCUS option expiration dates are there?
RCUS has 7 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.