LASR vs. ATMU

Last updated Aug 1, 2026

LASR (nLIGHT, Inc.) and ATMU (Atmus Filtration Technologies Inc.) are both stocks. LASR operates in Semiconductors (Technology), while ATMU operates in Pollution & Treatment Controls (Industrials). Over the past 3 years, LASR returned 70.14%/yr vs 29.00%/yr for ATMU. Their 0.34 correlation means their historical movements had little consistent relationship.

Performance

LASR vs. ATMU - Performance Comparison

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

Returns By Period

In the year-to-date period, LASR achieves a 83.42% return, which is significantly higher than ATMU's -0.34% return.

LASR

• 1D: 4.70%
• 1M: 8.77%
• 6M: 50.84%
• YTD: 83.42%
• 1Y: 242.12%
• 3Y*: 70.14%
• 5Y*: 14.68%
• 10Y*: —
• ALL TIME*: 14.18%

ATMU

• 1D: 0.00%
• 1M: 3.86%
• 6M: -10.76%
• YTD: -0.34%
• 1Y: 38.32%
• 3Y*: 29.00%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 31.79%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
ATMU Atmus Filtration Technologies Inc.	$27.62M	$29.00M	$44.00M
LASR nLIGHT, Inc.	$58.41M	$74.60M	$88.55M

LASR vs. ATMU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
LASR nLIGHT, Inc.	83.42%	257.58%	-22.30%	-0.22%
ATMU Atmus Filtration Technologies Inc.	-0.34%	33.16%	67.28%	8.40%

Correlation

The correlation between LASR and ATMU is 0.40, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.40
Correlation (3Y) Balances recent behavior with more history.	0.37
Correlation (All Time) Calculated using the full available price history since May 26, 2023	0.34

Fundamentals

Market Cap LASR : $3.88B ATMU : $4.22B
EPS LASR : -$0.28 ATMU : $2.56
PS Ratio LASR : 12.70 ATMU : 3.16
PB Ratio LASR : 9.61 ATMU : 10.49
Total Revenue (TTM) LASR : $289.84M ATMU : $1.35B
Gross Profit (TTM) LASR : $90.68M ATMU : $529.00M
EBITDA (TTM) LASR : -$3.27M ATMU : $334.60M

Return for Risk

LASR vs. ATMU — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

LASR

LASR Risk / Return Rank: 95
LASR Sharpe Ratio Rank: 96
LASR Sortino Ratio Rank: 93
LASR Omega Ratio Rank: 90
LASR Calmar Ratio Rank: 98
LASR Martin Ratio Rank: 98

ATMU

ATMU Risk / Return Rank: 69
ATMU Sharpe Ratio Rank: 72
ATMU Sortino Ratio Rank: 66
ATMU Omega Ratio Rank: 68
ATMU Calmar Ratio Rank: 68
ATMU Martin Ratio Rank: 69

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

LASR vs. ATMU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for nLIGHT, Inc. (LASR) 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.

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.

	LASR	ATMU	Difference
Sharpe ratio: Return per unit of total volatility	2.65	0.87	+1.79
Sortino ratio: Return per unit of downside risk	3.08	1.29	+1.78
Omega ratio: Gain probability vs. loss probability	1.37	1.18	+0.18
Calmar ratio: Return relative to maximum drawdown	7.41	1.11	+6.30
Martin ratio: Return relative to average drawdown	20.65	2.75	+17.91

LASR vs. ATMU - Sharpe Ratio Comparison

The current LASR Sharpe Ratio is 2.65, which is higher than the ATMU Sharpe Ratio of 0.87. The chart below compares the historical Sharpe Ratios of LASR and ATMU, 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

LASR vs. ATMU - Drawdown Comparison

The maximum LASR drawdown since its inception was -85.66%, which is greater than ATMU's maximum drawdown of -30.22%. Use the drawdown chart below to compare losses from any high point for LASR and ATMU.

Drawdown Indicators

	LASR	ATMU	Difference
Max Drawdown Largest peak-to-trough decline	-85.66%	-30.22%	-55.44%
Max Drawdown (1Y) Largest decline over 1 year	-30.92%	-30.22%	-0.70%
Max Drawdown (3Y) Largest decline over 3 years	-56.13%	-30.22%	-25.91%
Max Drawdown (5Y) Largest decline over 5 years	-80.47%	—	—
Current Drawdown Current decline from peak	-19.01%	-21.17%	+2.16%
Average Drawdown Average peak-to-trough decline	-52.16%	-9.19%	-42.97%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.07%	12.15%	-1.08%

Volatility

LASR vs. ATMU - Volatility Comparison

nLIGHT, Inc. (LASR) has a higher volatility of 35.65% compared to Atmus Filtration Technologies Inc. (ATMU) at 11.58%. This indicates that LASR'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

	LASR	ATMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	35.65%	11.58%	+24.07%
Volatility (6M) Calculated over the trailing 6-month period	69.42%	33.44%	+35.98%
Volatility (1Y) Calculated over the trailing 1-year period	86.32%	38.56%	+47.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	67.29%	34.85%	+32.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	67.52%	34.85%	+32.67%

Dividends

LASR vs. ATMU - Dividend Comparison

LASR has not paid dividends to shareholders, while ATMU's dividend yield for the trailing twelve months is around 0.43%.

Position	TTM	2025	2024
ATMU Atmus Filtration Technologies Inc.	0.43%	0.40%	0.26%
LASR nLIGHT, Inc.	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both LASR and ATMU in my portfolio?

LASR and ATMU have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LASR or ATMU?

LASR has higher volatility (35.65%) compared to ATMU (11.58%). In terms of maximum drawdown, LASR dropped -85.66% vs ATMU's -30.22%.

Which has better risk-adjusted returns?

LASR currently has the higher Sharpe Ratio (2.65 vs 0.87), 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.