ATMU · Atmus Filtration Technologies Inc.

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$50.45 -4.08 (-7.48%) At close · Jul 29

Market Cap

$4.12B

81.67M

Options Chain

15-min delayed Underlying $50.45 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 34 contracts

Put / call OI

0.56

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$52.50

$2.05 above spot

ATM implied vol

61.6%

market's expected move

Open interest by strike

Calls Puts

32.5

37.5

42.5

47.5

52.5

57.5

62.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Oct 16 78d Jan 15 169d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	153.9%	0.94	—		—	—	—	—	0
Call · $30 In the money Last — Breakeven — Implied vol 153.9% Delta 0.94 ≈94% ITM Gamma 0.006 Theta -0.053 Vega 0.017 Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	142.6%	0.922	—		—	—	—	—	0
Call · $32.5 In the money Last — Breakeven — Implied vol 142.6% Delta 0.922 ≈92% ITM Gamma 0.008 Theta -0.06 Vega 0.017 Open interest 0 Model this call Put · $32.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	123.8%	0.911	—		—	—	—	—	0
Call · $35 In the money Last — Breakeven — Implied vol 123.8% Delta 0.911 ≈91% ITM Gamma 0.01 Theta -0.058 Vega 0.018 Open interest 0 Model this call Put · $35 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	110.6%	0.891	—		—	-0.075	90.2%	—	0
Call · $37.5 In the money Last — Breakeven — Implied vol 110.6% Delta 0.891 ≈89% ITM Gamma 0.014 Theta -0.061 Vega 0.028 Open interest 0 Model this call Put · $37.5 Last — Breakeven — Implied vol 90.2% Delta -0.075 ≈7% ITM Gamma 0.012 Theta -0.035 Vega 0.019 Open interest 0 Model this put
0	—	88.4%	0.881	—		$0.28	-0.095	77.4%	1	1
Call · $40 In the money Last — Breakeven — Implied vol 88.4% Delta 0.881 ≈88% ITM Gamma 0.018 Theta -0.052 Vega 0.029 Open interest 0 Model this call Put · $40 Last $0.28 Breakeven $39.72 Implied vol 77.4% Delta -0.095 ≈9% ITM Gamma 0.017 Theta -0.036 Vega 0.019 Open interest 1 Model this put
0	—	85.9%	0.821	—		$0.81	-0.173	82.8%	1	1
Call · $42.5 In the money Last — Breakeven — Implied vol 85.9% Delta 0.821 ≈82% ITM Gamma 0.024 Theta -0.066 Vega 0.03 Open interest 0 Model this call Put · $42.5 Last $0.81 Breakeven $41.69 Implied vol 82.8% Delta -0.173 ≈17% ITM Gamma 0.025 Theta -0.058 Vega 0.03 Open interest 1 Model this put
0	—	72.5%	0.769	—		$1.40	-0.212	65.4%	1	3
Call · $45 In the money Last — Breakeven — Implied vol 72.5% Delta 0.769 ≈77% ITM Gamma 0.034 Theta -0.064 Vega 0.041 Open interest 0 Model this call Put · $45 Last $1.40 Breakeven $43.60 Implied vol 65.4% Delta -0.212 ≈21% ITM Gamma 0.036 Theta -0.052 Vega 0.041 Open interest 3 Model this put
0	—	71.6%	0.67	—		$1.38	-0.328	69.8%	9	9
Call · $47.5 In the money Last — Breakeven — Implied vol 71.6% Delta 0.67 ≈67% ITM Gamma 0.041 Theta -0.076 Vega 0.048 Open interest 0 Model this call Put · $47.5 Last $1.38 Breakeven $46.12 Implied vol 69.8% Delta -0.328 ≈33% ITM Gamma 0.042 Theta -0.07 Vega 0.048 Open interest 9 Model this put
2	2	61.4%	0.558	$3.14		$1.50	-0.442	61.8%	1	1
Call · $50 In the money Last $3.14 Breakeven $53.14 Implied vol 61.4% Delta 0.558 ≈56% ITM Gamma 0.052 Theta -0.07 Vega 0.049 Open interest 2 Model this call Put · $50 Last $1.50 Breakeven $48.50 Implied vol 61.8% Delta -0.442 ≈44% ITM Gamma 0.052 Theta -0.067 Vega 0.049 Open interest 1 Model this put
Underlying $50.45
6	3	62.8%	0.435	$2.20		$2.10	-0.58	56.8%	5	5
Call · $52.5 Last $2.20 Breakeven $54.70 Implied vol 62.8% Delta 0.435 ≈43% ITM Gamma 0.05 Theta -0.071 Vega 0.051 Open interest 6 Model this call Put · $52.5 In the money Last $2.10 Breakeven $50.40 Implied vol 56.8% Delta -0.58 ≈58% ITM Gamma 0.056 Theta -0.06 Vega 0.051 Open interest 5 Model this put
11	2	56.1%	0.297	$2.26		—	-0.688	60.4%	—	0
Call · $55 Last $2.26 Breakeven $57.26 Implied vol 56.1% Delta 0.297 ≈30% ITM Gamma 0.049 Theta -0.055 Vega 0.046 Open interest 11 Model this call Put · $55 In the money Last — Breakeven — Implied vol 60.4% Delta -0.688 ≈69% ITM Gamma 0.047 Theta -0.057 Vega 0.046 Open interest 0 Model this put
16	10	57.8%	0.206	$1.09		—	-0.869	45.3%	—	0
Call · $57.5 Last $1.09 Breakeven $58.59 Implied vol 57.8% Delta 0.206 ≈21% ITM Gamma 0.039 Theta -0.047 Vega 0.036 Open interest 16 Model this call Put · $57.5 In the money Last — Breakeven — Implied vol 45.3% Delta -0.869 ≈87% ITM Gamma 0.04 Theta -0.024 Vega 0.024 Open interest 0 Model this put
1	1	64.3%	0.157	$0.68		—	-0.995	33.7%	—	0
Call · $60 Last $0.68 Breakeven $60.68 Implied vol 64.3% Delta 0.157 ≈16% ITM Gamma 0.03 Theta -0.044 Vega 0.037 Open interest 1 Model this call Put · $60 In the money Last — Breakeven — Implied vol 33.7% Delta -0.995 ≈99% ITM Gamma 0.01 Theta 0 Vega 0 Open interest 0 Model this put
0	—	65.6%	0.112	—		—	-0.933	56.7%	—	0
Call · $62.5 Last — Breakeven — Implied vol 65.6% Delta 0.112 ≈11% ITM Gamma 0.023 Theta -0.035 Vega 0.025 Open interest 0 Model this call Put · $62.5 In the money Last — Breakeven — Implied vol 56.7% Delta -0.933 ≈93% ITM Gamma 0.021 Theta -0.018 Vega 0.014 Open interest 0 Model this put
0	—	76.2%	0.109	—		—	-0.94	64.2%	—	0
Call · $65 Last — Breakeven — Implied vol 76.2% Delta 0.109 ≈11% ITM Gamma 0.02 Theta -0.04 Vega 0.025 Open interest 0 Model this call Put · $65 In the money Last — Breakeven — Implied vol 64.2% Delta -0.94 ≈94% ITM Gamma 0.017 Theta -0.018 Vega 0.014 Open interest 0 Model this put
0	—	—	—	—		—	-0.894	97.1%	—	0
Call · $70 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $70 In the money Last — Breakeven — Implied vol 97.1% Delta -0.894 ≈89% ITM Gamma 0.016 Theta -0.046 Vega 0.025 Open interest 0 Model this put
0	—	—	—	—		—	-0.904	112.3%	—	0
Call · $75 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $75 In the money Last — Breakeven — Implied vol 112.3% Delta -0.904 ≈90% ITM Gamma 0.013 Theta -0.049 Vega 0.026 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1921963 CUSIP 04956D107 13F (30d) 72 filings 72 filers Visit website Investor relations