Arqit Quantum (ARQQ) Options Chain

NASDAQ: ARQQTechnologyComputer Software: Prepackaged SoftwareUSD

17.23-1.20 (-6.51%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $17.23
Put/call ratio (OI): 1.37
Put/call ratio (volume): 2.62
ATM implied volatility: 102.5%
Expected move: ±$7.62
Open interest (C / P): 1.26K / 1.73K

ARQQ options summary

The ARQQ options chain for the December 18, 2026 expiration lists 13 call and 12 put contracts, with 68 days until expiration. Open interest stands at 1,263 calls and 1,734 puts, a put/call ratio of 1.37, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $17.50 strike is 102.5%, which implies the market expects a move of about ±$7.62 (44.2%) in Arqit Quantum stock by expiration.

The most open interest sits at the $30.00 call (480 contracts) and the $5.00 put (407 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

ARQQ options chain · December 18, 2026

ARQQ calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
0	—	610.2%	25.82	14.60	17.80	2.50	—	—	—	—	—	—
—	—	—	—	—	—	5.00	0.00	1.15	0.05	249.0%	47	407
2	—	392.6%	18.10	11.40	14.60	7.50	0.00	1.35	0.22	184.8%	1	45
101	6	348.2%	11.40	10.00	13.00	10.00	0.10	0.80	0.17	114.8%	1	298
15	2	106.6%	11.91	4.50	6.90	12.50	0.65	1.15	0.98	103.0%	12	42
55	1	108.6%	9.10	3.20	5.30	15.00	1.20	2.20	1.89	96.3%	3	120
ARQQ $17.23
54	11	106.6%	2.45	2.50	3.60	17.50	2.55	3.60	2.20	98.3%	6	86
67	72	107.5%	1.81	1.80	2.65	20.00	2.95	6.60	4.18	100.1%	3	65
39	6	105.6%	1.90	1.20	1.90	22.50	6.00	7.50	3.50	103.1%	10	40
66	10	101.3%	0.95	0.55	1.45	25.00	6.90	10.80	9.40	104.6%	40	74
480	25	99.0%	0.50	0.10	0.80	30.00	12.00	14.40	9.50	97.8%	10	333
247	9	108.0%	0.35	0.05	0.60	35.00	14.80	17.90	14.40	89.8%	239	220
101	1	132.9%	0.95	0.00	0.95	40.00	—	—	—	—	—	—
36	1	143.6%	0.65	0.05	0.85	45.00	23.90	27.20	24.50	—	5	4

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 December 18, 2026 expiration, the ARQQ put/call ratio based on open interest is 1.37 (1,734 puts vs 1,263 calls), and 2.62 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 December 18, 2026 is about 102.5%, 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.