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
- Oct 16, 2026
- Days to expiration
- 6
- Share price
- $42.81
- Put/call ratio (OI)
- 0.32
- Put/call ratio (volume)
- 0.15
- Expected move
- ±$3.26
- Open interest (C / P)
- 218 / 69
ATMU options summary
The ATMU options chain for the October 16, 2026 expiration lists 16 call and 13 put contracts, with 6 days until expiration. Open interest stands at 218 calls and 69 puts, a put/call ratio of 0.32, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $42.50 strike is 59.4%, which implies the market expects a move of about ±$3.26 (7.6%) in Atmus Filtration Technologies stock by expiration.
The most open interest sits at the $62.50 call (47 contracts) and the $45.00 put (40 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ATMU options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 23.01 | 0.00 | 0.00 | 32.50 | 0.00 | 2.15 | 0.03 | |||||
| — | — | — | 35.00 | 0.00 | 0.00 | 0.40 | |||||
| 19.10 | 9.20 | 12.30 | 37.50 | — | — | — | |||||
| — | — | — | 40.00 | 0.00 | 0.75 | 0.50 | |||||
| — | — | — | 42.50 | 0.40 | 1.25 | 1.15 | |||||
| 0.85 | 0.25 | 0.90 | 45.00 | 2.00 | 2.75 | 2.34 | |||||
| 0.60 | 0.00 | 1.25 | 47.50 | 3.60 | 6.40 | 1.50 | |||||
| 0.15 | 0.00 | 0.75 | 50.00 | 6.10 | 8.90 | 4.71 | |||||
| 0.38 | 0.00 | 1.75 | 52.50 | — | — | — | |||||
| 1.30 | 0.00 | 0.00 | 55.00 | — | — | — | |||||
| 1.55 | 0.70 | 3.90 | 57.50 | — | — | — | |||||
| 0.02 | 0.00 | 0.75 | 60.00 | 10.40 | 13.90 | 6.25 | |||||
| 0.11 | 0.00 | 0.50 | 62.50 | 0.00 | 0.00 | 7.20 | |||||
| 1.31 | 0.00 | 2.15 | 65.00 | — | — | — | |||||
| 0.27 | 0.00 | 0.75 | 67.50 | — | — | — | |||||
| 0.42 | 0.00 | 0.00 | 70.00 | 21.70 | 25.70 | 15.16 | |||||
| 2.05 | 0.00 | 2.25 | 72.50 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 75.00 | 21.30 | 25.60 | 13.10 | |||||
| 0.75 | 0.00 | 2.20 | 80.00 | 26.30 | 29.80 | 17.22 | |||||
| — | — | — | 85.00 | 36.70 | 40.80 | 21.98 | |||||
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 October 16, 2026 expiration, the ATMU put/call ratio based on open interest is 0.32 (69 puts vs 218 calls), and 0.15 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 October 16, 2026 is about 59.4%, 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.