ATMU vs. PH

Last updated Jun 24, 2026

ATMU (Atmus Filtration Technologies Inc.) and PH (Parker-Hannifin Corporation) are both stocks. Both are in the Industrials sector — ATMU in Pollution & Treatment Controls, PH in Specialty Industrial Machinery. Over the past 3 years, ATMU returned 32.01%/yr vs 38.27%/yr for PH. A 0.52 correlation means they provide meaningful diversification when combined.

Performance

ATMU vs. PH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Atmus Filtration Technologies Inc. (ATMU) and Parker-Hannifin Corporation (PH). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ATMU achieves a -3.20% return, which is significantly lower than PH's 8.25% return.

ATMU

• 1D: -3.78%
• 1M: 2.82%
• YTD: -3.20%
• 6M: -6.44%
• 1Y: 42.20%
• 3Y*: 32.01%
• 5Y*: —
• 10Y*: —

PH

• 1D: -1.51%
• 1M: 9.30%
• YTD: 8.25%
• 6M: 7.25%
• 1Y: 43.90%
• 3Y*: 38.27%
• 5Y*: 27.59%
• 10Y*: 26.41%

*Multi-year figures are annualized to reflect compound growth (CAGR)

ATMU vs. PH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
ATMU Atmus Filtration Technologies Inc.	-3.20%	33.16%	67.28%	8.40%
PH Parker-Hannifin Corporation	8.25%	39.54%	39.58%	41.86%

Correlation

The correlation between ATMU and PH is 0.65, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (All Time) Calculated using the full available price history since May 26, 2023	0.52

The correlation between ATMU and PH shifts across timeframes, from 0.52 (all time) to 0.65 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap ATMU : $4.11B PH : $121.29B
EPS ATMU : $2.56 PH : $27.11
PE Ratio ATMU : 19.61 PH : 34.95
PEG Ratio ATMU : 3.53 PH : 1.47
PS Ratio ATMU : 3.07 PH : 5.80
PB Ratio ATMU : 10.19 PH : 7.79
Total Revenue (TTM) ATMU : $1.35B PH : $20.99B
Gross Profit (TTM) ATMU : $529.00M PH : $7.81B
EBITDA (TTM) ATMU : $334.60M PH : $5.31B

Return for Risk

ATMU vs. PH — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ATMU

ATMU Risk / Return Rank: 72
ATMU Sharpe Ratio Rank: 76
ATMU Sortino Ratio Rank: 69
ATMU Omega Ratio Rank: 72
ATMU Calmar Ratio Rank: 69
ATMU Martin Ratio Rank: 74

PH

PH Risk / Return Rank: 82
PH Sharpe Ratio Rank: 86
PH Sortino Ratio Rank: 84
PH Omega Ratio Rank: 81
PH Calmar Ratio Rank: 78
PH Martin Ratio Rank: 81

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ATMU vs. PH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Atmus Filtration Technologies Inc. (ATMU) and Parker-Hannifin Corporation (PH). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	ATMU	PH	Difference
Sharpe ratio: Return per unit of total volatility	1.16	1.76	-0.60
Sortino ratio: Return per unit of downside risk	1.59	2.51	-0.92
Omega ratio: Gain probability vs. loss probability	1.23	1.31	-0.08
Calmar ratio: Return relative to maximum drawdown	1.40	2.28	-0.88
Martin ratio: Return relative to average drawdown	4.24	6.65	-2.42

ATMU vs. PH - Sharpe Ratio Comparison

The current ATMU Sharpe Ratio is 1.16, which is lower than the PH Sharpe Ratio of 1.76. The chart below compares the historical Sharpe Ratios of ATMU and PH, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

ATMU vs. PH - Drawdown Comparison

The maximum ATMU drawdown since its inception was -30.22%, smaller than the maximum PH drawdown of -66.92%. Use the drawdown chart below to compare losses from any high point for ATMU and PH.

Drawdown Indicators

	ATMU	PH	Difference
Max Drawdown Largest peak-to-trough decline	-30.22%	-66.92%	+36.70%
Max Drawdown (1Y) Largest decline over 1 year	-30.22%	-19.34%	-10.88%
Max Drawdown (3Y) Largest decline over 3 years	-30.22%	-26.79%	-3.43%
Max Drawdown (5Y) Largest decline over 5 years	—	-28.64%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-54.68%	—
Current Drawdown Current decline from peak	-23.43%	-7.16%	-16.27%
Average Drawdown Average peak-to-trough decline	-8.77%	-15.32%	+6.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.99%	6.62%	+3.37%

Volatility

ATMU vs. PH - Volatility Comparison

Atmus Filtration Technologies Inc. (ATMU) has a higher volatility of 11.26% compared to Parker-Hannifin Corporation (PH) at 7.72%. This indicates that ATMU's price experiences larger fluctuations and is considered to be riskier than PH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ATMU	PH	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.26%	7.72%	+3.54%
Volatility (6M) Calculated over the trailing 6-month period	31.16%	19.08%	+12.08%
Volatility (1Y) Calculated over the trailing 1-year period	36.49%	25.14%	+11.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.48%	28.64%	+5.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	34.48%	31.65%	+2.83%

Dividends

ATMU vs. PH - Dividend Comparison

ATMU's dividend yield for the trailing twelve months is around 0.44%, less than PH's 0.78% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATMU Atmus Filtration Technologies Inc.	0.44%	0.40%	0.26%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PH Parker-Hannifin Corporation	0.78%	0.80%	1.00%	1.25%	1.73%	1.25%	1.29%	1.65%	1.97%	1.32%	1.80%	2.60%

Financials

Frequently Asked Questions

Can I hold both ATMU and PH in my portfolio?

ATMU and PH have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ATMU or PH?

ATMU has higher volatility (11.26%) compared to PH (7.72%). In terms of maximum drawdown, ATMU dropped -30.22% vs PH's -66.92%.

Which has better risk-adjusted returns?

PH currently has the higher Sharpe Ratio (1.76 vs 1.16), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.