Arqit Quantum (ARQQ) Options Chain
NASDAQ: ARQQTechnologyComputer Software: Prepackaged SoftwareUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Pre-market: 19.61 +6.40%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $18.43
- Put/call ratio (OI)
- 0.38
- Put/call ratio (volume)
- 0.45
- Expected move
- ±$0.319
- Open interest (C / P)
- 1.19K / 451
ARQQ options summary
The ARQQ options chain for the October 16, 2026 expiration lists 8 call and 7 put contracts, with 7 days until expiration. Open interest stands at 1,191 calls and 451 puts, a put/call ratio of 0.38, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $17.50 strike is 12.5%, which implies the market expects a move of about ±$0.319 (1.7%) in Arqit Quantum stock by expiration.
The most open interest sits at the $30.00 call (468 contracts) and the $17.50 put (147 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ARQQ options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 10.00 | 0.00 | 0.00 | 0.08 | |||||
| 7.00 | 0.00 | 0.00 | 12.50 | 0.00 | 0.00 | 0.15 | |||||
| 8.73 | 0.00 | 0.00 | 15.00 | 0.00 | 0.00 | 0.16 | |||||
| 5.09 | 0.00 | 0.00 | 17.50 | 0.00 | 0.00 | 0.70 | |||||
| 0.45 | 0.00 | 0.00 | 20.00 | 0.00 | 0.00 | 2.19 | |||||
| 0.19 | 0.00 | 0.00 | 22.50 | 0.00 | 0.00 | 4.15 | |||||
| 0.05 | 0.00 | 0.00 | 25.00 | 0.00 | 0.00 | 2.35 | |||||
| 0.05 | 0.00 | 0.00 | 30.00 | — | — | — | |||||
| 0.01 | 0.00 | 0.00 | 35.00 | — | — | — | |||||
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 ARQQ put/call ratio?
For the October 16, 2026 expiration, the ARQQ put/call ratio based on open interest is 0.38 (451 puts vs 1,191 calls), and 0.45 based on today's volume. A ratio above 1 means more puts than calls.
What is ARQQ's implied volatility?
At-the-money implied volatility for ARQQ options expiring October 16, 2026 is about 12.5%, an annualized estimate of how much the market expects Arqit Quantum stock to move.
How many ARQQ option expiration dates are there?
ARQQ has 7 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
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.