Aduro Clean Technologies (ADUR) Options Chain

NASDAQ: ADURIndustrialsMajor ChemicalsUSD

11.10-0.08 (-0.72%)

Market open · Delayed 15 min · as of Oct 9, 3:18 PM ET

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $11.10
Put/call ratio (OI): 1.17
Put/call ratio (volume): 0.83
ATM implied volatility: 83.4%
Expected move: ±$1.28
Open interest (C / P): 1.78K / 2.08K

ADUR options summary

The ADUR options chain for the October 16, 2026 expiration lists 12 call and 9 put contracts, with 7 days until expiration. Open interest stands at 1,779 calls and 2,078 puts, a put/call ratio of 1.17, which is fairly balanced between calls and puts. At-the-money implied volatility near the $10.00 strike is 83.4%, which implies the market expects a move of about ±$1.28 (11.5%) in Aduro Clean Technologies stock by expiration.

The most open interest sits at the $15.00 call (849 contracts) and the $12.50 put (1.16K contracts).

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

ADUR options chain · October 16, 2026

ADUR 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	—	—	12.29	9.80	13.20	2.50	0.00	0.05	0.05	487.5%	20	30
1	1	439.8%	6.94	5.80	6.90	5.00	0.00	1.15	0.35	579.7%	8	136
0	2	233.6%	4.70	3.30	4.30	7.50	0.00	0.75	0.37	289.1%	1	134
143	3	100.8%	1.12	0.90	1.75	10.00	0.00	0.15	0.14	66.0%	4	352
ADUR $11.10
92	8	87.9%	0.15	0.00	0.30	12.50	1.45	1.70	1.47	93.4%	6	1,155
849	7	109.4%	0.05	0.00	0.05	15.00	3.20	4.30	3.77	219.9%	2	266
238	2	196.1%	0.05	0.00	0.20	17.50	5.70	6.90	6.53	303.5%	7	5
307	2	267.2%	0.05	0.00	0.35	20.00	—	—	—	—	—	—
149	1	365.6%	0.05	0.00	0.75	22.50	—	—	—	—	—	—
0	19	50.0%	0.35	0.00	0.00	25.00	—	—	—	—	—	—
0	5	50.0%	0.30	0.00	0.00	30.00	17.60	19.90	17.14	599.2%	4	0
0	13	50.0%	0.05	0.00	0.00	35.00	19.40	23.40	20.05	—	—	0

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 ADUR put/call ratio?

For the October 16, 2026 expiration, the ADUR put/call ratio based on open interest is 1.17 (2,078 puts vs 1,779 calls), and 0.83 based on today's volume. A ratio above 1 means more puts than calls.

What is ADUR's implied volatility?

At-the-money implied volatility for ADUR options expiring October 16, 2026 is about 83.4%, an annualized estimate of how much the market expects Aduro Clean Technologies stock to move.

How many ADUR option expiration dates are there?

ADUR has 8 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.