Arcturus Therapeutics (ARCT) Options Chain
NASDAQ: ARCTHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $13.74
- Put/call ratio (OI)
- 0.84
- Put/call ratio (volume)
- 12.55
- Expected move
- ±$5.32
- Open interest (C / P)
- 934 / 786
ARCT options summary
The ARCT options chain for the December 18, 2026 expiration lists 11 call and 7 put contracts, with 68 days until expiration. Open interest stands at 934 calls and 786 puts, a put/call ratio of 0.84, which is fairly balanced between calls and puts. At-the-money implied volatility near the $12.50 strike is 89.7%, which implies the market expects a move of about ±$5.32 (38.7%) in Arcturus Therapeutics stock by expiration.
The most open interest sits at the $20.00 call (239 contracts) and the $12.50 put (349 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ARCT options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 11.60 | 9.50 | 13.20 | 2.50 | — | — | — | |||||
| 9.50 | 7.00 | 10.50 | 5.00 | 0.00 | 0.30 | 0.15 | |||||
| 5.94 | 6.20 | 7.00 | 7.50 | 0.00 | 0.95 | 0.20 | |||||
| 4.20 | 3.20 | 5.20 | 10.00 | 0.05 | 0.90 | 0.62 | |||||
| 1.99 | 2.50 | 3.00 | 12.50 | 1.00 | 1.85 | 1.70 | |||||
| 1.36 | 1.25 | 2.10 | 15.00 | 2.40 | 3.60 | 3.50 | |||||
| 0.99 | 0.75 | 1.00 | 17.50 | 3.90 | 5.50 | 4.50 | |||||
| 0.53 | 0.30 | 0.65 | 20.00 | 5.40 | 8.00 | 7.50 | |||||
| 1.50 | 0.00 | 1.30 | 22.50 | — | — | — | |||||
| 1.45 | 0.00 | 0.95 | 25.00 | — | — | — | |||||
| 0.70 | 0.00 | 1.15 | 30.00 | — | — | — | |||||
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 ARCT put/call ratio?
For the December 18, 2026 expiration, the ARCT put/call ratio based on open interest is 0.84 (786 puts vs 934 calls), and 12.55 based on today's volume. A ratio above 1 means more puts than calls.
What is ARCT's implied volatility?
At-the-money implied volatility for ARCT options expiring December 18, 2026 is about 89.7%, an annualized estimate of how much the market expects Arcturus Therapeutics stock to move.
How many ARCT option expiration dates are there?
ARCT has 4 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.