TLGPY vs. ATMU

Last updated Aug 1, 2026

TLGPY (Telstra Corporation Limited) and ATMU (Atmus Filtration Technologies Inc.) are both stocks. TLGPY operates in Telecom Services (Communication Services), while ATMU operates in Pollution & Treatment Controls (Industrials). Over the past 3 years, TLGPY returned 14.23%/yr vs 29.00%/yr for ATMU. Their 0.22 correlation means their historical movements had little consistent relationship.

Performance

TLGPY vs. ATMU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Telstra Corporation Limited (TLGPY) 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, TLGPY achieves a 9.37% return, which is significantly higher than ATMU's -0.34% return.

TLGPY

• 1D: -0.62%
• 1M: 2.17%
• 6M: 6.15%
• YTD: 9.37%
• 1Y: 15.99%
• 3Y*: 14.23%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 15.88%

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
TLGPY Telstra Corporation Limited	$4.08M	$2.77M	$1.75M

TLGPY vs. ATMU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
TLGPY Telstra Corporation Limited	9.37%	38.47%	-3.13%	0.89%
ATMU Atmus Filtration Technologies Inc.	-0.34%	33.16%	67.28%	8.40%

Correlation

The correlation between TLGPY and ATMU is 0.23, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.23
Correlation (3Y) Balances recent behavior with more history.	0.23
Correlation (All Time) Calculated using the full available price history since May 26, 2023	0.22

Fundamentals

Market Cap TLGPY : $39.37B ATMU : $4.22B
EPS TLGPY : A$1.73 ATMU : $2.56
PE Ratio TLGPY : 14.52 ATMU : 20.14
PEG Ratio TLGPY : 2.15 ATMU : 3.62
PS Ratio TLGPY : 1.24 ATMU : 3.16
PB Ratio TLGPY : 4.29 ATMU : 10.49
Total Revenue (TTM) TLGPY : A$46.06B ATMU : $1.35B
Gross Profit (TTM) TLGPY : A$17.20B ATMU : $529.00M
EBITDA (TTM) TLGPY : A$15.42B ATMU : $334.60M

Return for Risk

TLGPY vs. ATMU — Risk / Return Rank

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

TLGPY

TLGPY Risk / Return Rank: 68
TLGPY Sharpe Ratio Rank: 73
TLGPY Sortino Ratio Rank: 66
TLGPY Omega Ratio Rank: 64
TLGPY Calmar Ratio Rank: 67
TLGPY Martin Ratio Rank: 70

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.

TLGPY vs. ATMU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Telstra Corporation Limited (TLGPY) 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.

	TLGPY	ATMU	Difference
Sharpe ratio: Return per unit of total volatility	0.89	0.87	+0.02
Sortino ratio: Return per unit of downside risk	1.33	1.29	+0.03
Omega ratio: Gain probability vs. loss probability	1.15	1.18	-0.03
Calmar ratio: Return relative to maximum drawdown	1.03	1.11	-0.08
Martin ratio: Return relative to average drawdown	2.92	2.75	+0.17

TLGPY vs. ATMU - Sharpe Ratio Comparison

The current TLGPY Sharpe Ratio is 0.89, which is comparable to the ATMU Sharpe Ratio of 0.87. The chart below compares the historical Sharpe Ratios of TLGPY 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

TLGPY vs. ATMU - Drawdown Comparison

The maximum TLGPY drawdown since its inception was -19.28%, smaller than the maximum ATMU drawdown of -30.22%. Use the drawdown chart below to compare losses from any high point for TLGPY and ATMU.

Drawdown Indicators

	TLGPY	ATMU	Difference
Max Drawdown Largest peak-to-trough decline	-19.28%	-30.22%	+10.94%
Max Drawdown (1Y) Largest decline over 1 year	-14.38%	-30.22%	+15.84%
Max Drawdown (3Y) Largest decline over 3 years	-15.55%	-30.22%	+14.67%
Current Drawdown Current decline from peak	-10.85%	-21.17%	+10.32%
Average Drawdown Average peak-to-trough decline	-5.56%	-9.19%	+3.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.06%	12.15%	-7.09%

Volatility

TLGPY vs. ATMU - Volatility Comparison

The current volatility for Telstra Corporation Limited (TLGPY) is 5.19%, while Atmus Filtration Technologies Inc. (ATMU) has a volatility of 11.58%. This indicates that TLGPY experiences smaller price fluctuations and is considered to be less risky than ATMU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TLGPY	ATMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.19%	11.58%	-6.39%
Volatility (6M) Calculated over the trailing 6-month period	12.63%	33.44%	-20.81%
Volatility (1Y) Calculated over the trailing 1-year period	16.64%	38.56%	-21.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.98%	34.85%	-13.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.98%	34.85%	-13.87%

Dividends

TLGPY vs. ATMU - Dividend Comparison

TLGPY's dividend yield for the trailing twelve months is around 3.85%, more than ATMU's 0.43% yield.

Position	TTM	2025	2024	2023
ATMU Atmus Filtration Technologies Inc.	0.43%	0.40%	0.26%	0.00%
TLGPY Telstra Corporation Limited	3.85%	3.71%	4.76%	9.50%

Financials

Frequently Asked Questions

Can I hold both TLGPY and ATMU in my portfolio?

TLGPY and ATMU have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TLGPY or ATMU?

ATMU has higher volatility (11.58%) compared to TLGPY (5.19%). In terms of maximum drawdown, TLGPY dropped -19.28% vs ATMU's -30.22%.

Which has better risk-adjusted returns?

TLGPY currently has the higher Sharpe Ratio (0.89 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.