Perma-Fix Environmental Services (PESI) Options Chain
NASDAQ: PESIIndustrialsEnvironmental ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $13.76
- Put/call ratio (OI)
- 0.19
- Put/call ratio (volume)
- 0.09
- Expected move
- ±$5.11
- Open interest (C / P)
- 5.07K / 960
PESI options summary
The PESI options chain for the December 18, 2026 expiration lists 12 call and 7 put contracts, with 68 days until expiration. Open interest stands at 5,074 calls and 960 puts, a put/call ratio of 0.19, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $15.00 strike is 86.0%, which implies the market expects a move of about ±$5.11 (37.1%) in Perma-Fix Environmental Services stock by expiration.
The most open interest sits at the $20.00 call (4.10K contracts) and the $10.00 put (472 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
PESI options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 14.60 | 12.60 | 15.80 | 2.50 | — | — | — | |||||
| 11.00 | 10.20 | 13.30 | 5.00 | — | — | — | |||||
| 10.20 | 5.50 | 7.90 | 7.50 | 0.00 | 2.25 | 0.05 | |||||
| 4.90 | 4.20 | 4.50 | 10.00 | 0.25 | 0.55 | 0.30 | |||||
| 6.00 | 0.00 | 0.00 | 12.50 | 0.85 | 1.20 | 1.05 | |||||
| 2.50 | 0.30 | 3.50 | 15.00 | 0.90 | 2.45 | 2.40 | |||||
| 2.10 | 0.05 | 1.80 | 17.50 | 3.20 | 5.40 | 2.70 | |||||
| 0.83 | 0.35 | 0.95 | 20.00 | 4.60 | 7.50 | 5.50 | |||||
| 0.52 | 0.00 | 0.75 | 22.50 | 5.60 | 8.40 | 8.10 | |||||
| 0.11 | 0.10 | 0.25 | 25.00 | — | — | — | |||||
| 1.30 | 0.00 | 3.00 | 30.00 | — | — | — | |||||
| 0.70 | 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 PESI put/call ratio?
For the December 18, 2026 expiration, the PESI put/call ratio based on open interest is 0.19 (960 puts vs 5,074 calls), and 0.09 based on today's volume. A ratio above 1 means more puts than calls.
What is PESI's implied volatility?
At-the-money implied volatility for PESI options expiring December 18, 2026 is about 86.0%, an annualized estimate of how much the market expects Perma-Fix Environmental Services stock to move.
How many PESI option expiration dates are there?
PESI has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.