Atmus Filtration Technologies (ATMU) Options Chain
NYSE: ATMUConsumer DiscretionaryAuto Parts:O.E.M.USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $42.81
- Put/call ratio (OI)
- 0.60
- Put/call ratio (volume)
- 0.50
- Expected move
- ±$7.25
- Open interest (C / P)
- 5 / 3
ATMU options summary
The ATMU options chain for the November 20, 2026 expiration lists 3 call and 1 put contracts, with 40 days until expiration. Open interest stands at 5 calls and 3 puts, a put/call ratio of 0.60, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $45.00 strike is 51.2%, which implies the market expects a move of about ±$7.25 (16.9%) in Atmus Filtration Technologies stock by expiration.
The most open interest sits at the $45.00 call (3 contracts) and the $45.00 put (3 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ATMU options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.15 | 0.55 | 2.05 | 45.00 | 2.30 | 4.20 | 3.57 | |||||
| 1.65 | 0.00 | 1.45 | 47.50 | — | — | — | |||||
| 0.32 | — | — | 50.00 | — | — | — | |||||
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 ATMU put/call ratio?
For the November 20, 2026 expiration, the ATMU put/call ratio based on open interest is 0.60 (3 puts vs 5 calls), and 0.50 based on today's volume. A ratio above 1 means more puts than calls.
What is ATMU's implied volatility?
At-the-money implied volatility for ATMU options expiring November 20, 2026 is about 51.2%, an annualized estimate of how much the market expects Atmus Filtration Technologies stock to move.
How many ATMU option expiration dates are there?
ATMU 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.