Aspen Aerogels (ASPN) Options Chain
NYSE: ASPNConsumer DiscretionaryRETAIL: Building MaterialsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $5.65
- Put/call ratio (OI)
- 0.91
- Put/call ratio (volume)
- 4.78
- ATM implied volatility
- 110.6%
- Expected move
- ±$2.07
- Open interest (C / P)
- 1.79K / 1.62K
ASPN options summary
The ASPN options chain for the November 20, 2026 expiration lists 5 call and 3 put contracts, with 40 days until expiration. Open interest stands at 1,792 calls and 1,624 puts, a put/call ratio of 0.91, which is fairly balanced between calls and puts. At-the-money implied volatility near the $5.00 strike is 110.6%, which implies the market expects a move of about ±$2.07 (36.6%) in Aspen Aerogels stock by expiration.
The most open interest sits at the $7.50 call (845 contracts) and the $2.50 put (1.23K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ASPN options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.41 | 2.60 | 3.70 | 2.50 | 0.00 | 0.05 | 0.05 | |||||
| 1.09 | 0.90 | 1.45 | 5.00 | 0.35 | 0.60 | 0.40 | |||||
| 0.20 | 0.20 | 0.30 | 7.50 | 1.70 | 2.45 | 1.60 | |||||
| 0.07 | 0.05 | 0.75 | 10.00 | — | — | — | |||||
| 0.12 | 0.00 | 0.00 | 12.50 | — | — | — | |||||
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 November 20, 2026 expiration, the ASPN put/call ratio based on open interest is 0.91 (1,624 puts vs 1,792 calls), and 4.78 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 November 20, 2026 is about 110.6%, 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.