Clean Harbors (CLH) Options Chain
NYSE: CLHIndustrialsEnvironmental ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $316.93
- Put/call ratio (OI)
- 0.14
- Put/call ratio (volume)
- 0.38
- Expected move
- ±$39.42
- Open interest (C / P)
- 108 / 15
CLH options summary
The CLH options chain for the November 20, 2026 expiration lists 5 call and 4 put contracts, with 40 days until expiration. Open interest stands at 108 calls and 15 puts, a put/call ratio of 0.14, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $320.00 strike is 37.6%, which implies the market expects a move of about ±$39.42 (12.4%) in Clean Harbors stock by expiration.
The most open interest sits at the $360.00 call (70 contracts) and the $310.00 put (8 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CLH options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 260.00 | 0.00 | 3.30 | 0.90 | |||||
| — | — | — | 270.00 | 0.20 | 4.00 | 2.47 | |||||
| — | — | — | 310.00 | 8.50 | 11.00 | 10.50 | |||||
| 16.70 | 11.70 | 14.50 | 320.00 | — | — | — | |||||
| 7.70 | 7.70 | 10.00 | 330.00 | — | — | — | |||||
| 5.00 | 4.80 | 6.60 | 340.00 | — | — | — | |||||
| 3.40 | 2.65 | 4.10 | 350.00 | — | — | — | |||||
| 2.90 | 0.55 | 4.00 | 360.00 | — | — | — | |||||
| — | — | — | 430.00 | 111.50 | 114.90 | 119.00 | |||||
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 CLH put/call ratio?
For the November 20, 2026 expiration, the CLH put/call ratio based on open interest is 0.14 (15 puts vs 108 calls), and 0.38 based on today's volume. A ratio above 1 means more puts than calls.
What is CLH's implied volatility?
At-the-money implied volatility for CLH options expiring November 20, 2026 is about 37.6%, an annualized estimate of how much the market expects Clean Harbors stock to move.
How many CLH option expiration dates are there?
CLH has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.