FORM vs. ATMU

Last updated Apr 1, 2026

Compare and contrast key facts about FormFactor, Inc. (FORM) and Atmus Filtration Technologies Inc. (ATMU).

Performance

FORM vs. ATMU - Performance Comparison

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

FORM vs. ATMU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
FORM FormFactor, Inc.	73.88%	26.77%	5.49%	31.16%
ATMU Atmus Filtration Technologies Inc.	9.45%	33.16%	67.28%	8.50%

Fundamentals

Market Cap FORM : $7.65B ATMU : $4.68B
EPS FORM : $0.68 ATMU : $2.51
PE Ratio FORM : 142.42 ATMU : 22.64
PS Ratio FORM : 9.65 ATMU : 3.56
PB Ratio FORM : 7.39 ATMU : 12.36
Total Revenue (TTM) FORM : $784.99M ATMU : $1.32B
Gross Profit (TTM) FORM : $308.85M ATMU : $509.50M
EBITDA (TTM) FORM : $87.65M ATMU : $323.10M

Returns By Period

In the year-to-date period, FORM achieves a 73.88% return, which is significantly higher than ATMU's 9.45% return.

FORM

• 1D: 6.10%
• 1M: -1.91%
• YTD: 73.88%
• 6M: 166.31%
• 1Y: 242.84%
• 3Y*: 44.95%
• 5Y*: 14.28%
• 10Y*: 29.57%

ATMU

• 1D: 3.56%
• 1M: -12.03%
• YTD: 9.45%
• 6M: 26.15%
• 1Y: 55.27%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

Return for Risk

FORM vs. ATMU — Risk / Return Rank

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

FORM

FORM Risk / Return Rank: 97
FORM Sharpe Ratio Rank: 98
FORM Sortino Ratio Rank: 96
FORM Omega Ratio Rank: 95
FORM Calmar Ratio Rank: 98
FORM Martin Ratio Rank: 98

ATMU

ATMU Risk / Return Rank: 86
ATMU Sharpe Ratio Rank: 87
ATMU Sortino Ratio Rank: 84
ATMU Omega Ratio Rank: 83
ATMU Calmar Ratio Rank: 87
ATMU Martin Ratio Rank: 87

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.

FORM vs. ATMU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FormFactor, Inc. (FORM) and Atmus Filtration Technologies Inc. (ATMU). 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.

	FORM	ATMU	Difference
Sharpe ratio Return per unit of total volatility	3.42	1.67	+1.75
Sortino ratio Return per unit of downside risk	3.66	2.34	+1.32
Omega ratio Gain probability vs. loss probability	1.50	1.31	+0.19
Calmar ratio Return relative to maximum drawdown	9.93	3.16	+6.77
Martin ratio Return relative to average drawdown	23.44	9.10	+14.35
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FORM vs. ATMU - Sharpe Ratio Comparison

The current FORM Sharpe Ratio is 3.42, which is higher than the ATMU Sharpe Ratio of 1.67. The chart below compares the historical Sharpe Ratios of FORM and ATMU, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FORM	ATMU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.42	1.67	+1.75
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.57	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.15	1.27	-1.11

Correlation

The correlation between FORM and ATMU is 0.32, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

FORM vs. ATMU - Dividend Comparison

FORM has not paid dividends to shareholders, while ATMU's dividend yield for the trailing twelve months is around 0.38%.

	TTM	2025	2024
FORM FormFactor, Inc.	0.00%	0.00%	0.00%
ATMU Atmus Filtration Technologies Inc.	0.38%	0.40%	0.26%

Drawdowns

FORM vs. ATMU - Drawdown Comparison

The maximum FORM drawdown since its inception was -92.36%, which is greater than ATMU's maximum drawdown of -28.76%. Use the drawdown chart below to compare losses from any high point for FORM and ATMU.

Drawdown Indicators

	FORM	ATMU	Difference
Max Drawdown Largest peak-to-trough decline	-92.36%	-28.76%	-63.60%
Max Drawdown (1Y) Largest decline over 1 year	-24.04%	-16.40%	-7.64%
Max Drawdown (5Y) Largest decline over 5 years	-64.42%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-64.42%	—	—
Current Drawdown Current decline from peak	-10.25%	-13.42%	+3.17%
Average Drawdown Average peak-to-trough decline	-51.84%	-8.14%	-43.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.18%	5.70%	+4.48%

Volatility

FORM vs. ATMU - Volatility Comparison

FormFactor, Inc. (FORM) has a higher volatility of 21.08% compared to Atmus Filtration Technologies Inc. (ATMU) at 11.98%. This indicates that FORM's price experiences larger fluctuations and is considered to be riskier than ATMU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FORM	ATMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.08%	11.98%	+9.10%
Volatility (6M) Calculated over the trailing 6-month period	50.61%	21.33%	+29.28%
Volatility (1Y) Calculated over the trailing 1-year period	71.49%	33.37%	+38.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	55.06%	32.51%	+22.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	52.49%	32.51%	+19.98%

Financials