Aspen Aerogels (ASPN) Options Chain

NYSE: ASPNConsumer DiscretionaryRETAIL: Building MaterialsUSD

5.65+0.02 (+0.36%)

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

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $5.65
Put/call ratio (OI): 0.78
Put/call ratio (volume): 1.45
ATM implied volatility: 84.6%
Expected move: ±$5.41
Open interest (C / P): 1.15K / 895

ASPN options summary

The ASPN options chain for the January 21, 2028 expiration lists 7 call and 7 put contracts, with 468 days until expiration. Open interest stands at 1,147 calls and 895 puts, a put/call ratio of 0.78, which is fairly balanced between calls and puts. At-the-money implied volatility near the $5.00 strike is 84.6%, which implies the market expects a move of about ±$5.41 (95.8%) in Aspen Aerogels stock by expiration.

The most open interest sits at the $12.50 call (543 contracts) and the $5.00 put (521 contracts).

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

ASPN options chain · January 21, 2028

ASPN 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	2	—	4.17	0.00	0.00	2.50	0.20	0.60	0.33	87.5%	8	72
241	10	86.9%	1.30	1.20	3.50	5.00	1.20	2.00	1.55	82.2%	10	521
ASPN $5.65
110	1	104.2%	1.60	0.55	3.60	7.50	2.00	4.80	3.44	82.9%	3	122
149	3	92.4%	1.27	1.05	1.65	10.00	3.80	6.70	5.65	74.6%	1	108
543	1	110.1%	0.75	0.00	3.00	12.50	6.10	9.20	9.30	82.1%	2	59
59	1	90.7%	0.75	0.00	1.60	15.00	8.40	11.30	11.80	77.2%	4	3
45	2	89.8%	0.70	0.40	0.85	17.50	10.90	14.00	12.32	88.8%	1	10

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 ASPN put/call ratio?

For the January 21, 2028 expiration, the ASPN put/call ratio based on open interest is 0.78 (895 puts vs 1,147 calls), and 1.45 based on today's volume. A ratio above 1 means more puts than calls.

What is ASPN's implied volatility?

At-the-money implied volatility for ASPN options expiring January 21, 2028 is about 84.6%, an annualized estimate of how much the market expects Aspen Aerogels stock to move.

How many ASPN option expiration dates are there?

ASPN has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.

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.