SNMRY vs. ATO

Last updated Apr 2, 2026

Compare and contrast key facts about Snam SpA ADR (SNMRY) and Atmos Energy Corporation (ATO).

Performance

SNMRY vs. ATO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Snam SpA ADR (SNMRY) and Atmos Energy Corporation (ATO). The values are adjusted to include any dividend payments, if applicable.

SNMRY vs. ATO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SNMRY Snam SpA ADR	16.41%	59.44%	-8.74%	12.67%	-15.25%	17.06%	4.09%	24.69%	-5.97%	20.21%
ATO Atmos Energy Corporation	11.27%	23.07%	23.35%	6.17%	9.63%	12.75%	-12.73%	23.14%	10.39%	18.41%

Fundamentals

Market Cap SNMRY : $25.33B ATO : $30.58B
EPS SNMRY : $0.83 ATO : $7.71
PE Ratio SNMRY : 18.14 ATO : 24.07
PEG Ratio SNMRY : 1.20 ATO : 2.37
PS Ratio SNMRY : 4.33 ATO : 6.18
PB Ratio SNMRY : 2.77 ATO : 1.08
Total Revenue (TTM) SNMRY : $5.85B ATO : $4.87B
Gross Profit (TTM) SNMRY : $4.94B ATO : $1.73B
EBITDA (TTM) SNMRY : $5.43B ATO : $2.45B

Returns By Period

In the year-to-date period, SNMRY achieves a 16.41% return, which is significantly higher than ATO's 11.27% return. Over the past 10 years, SNMRY has underperformed ATO with an annualized return of 8.64%, while ATO has yielded a comparatively higher 12.17% annualized return.

SNMRY

• 1D: 0.13%
• 1M: -2.49%
• YTD: 16.41%
• 6M: 29.50%
• 1Y: 53.88%
• 3Y*: 19.63%
• 5Y*: 11.88%
• 10Y*: 8.64%

ATO

• 1D: 0.42%
• 1M: -0.84%
• YTD: 11.27%
• 6M: 10.75%
• 1Y: 22.38%
• 3Y*: 21.13%
• 5Y*: 16.42%
• 10Y*: 12.17%

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

Return for Risk

SNMRY vs. ATO — Risk / Return Rank

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

SNMRY

SNMRY Risk / Return Rank: 95
SNMRY Sharpe Ratio Rank: 95
SNMRY Sortino Ratio Rank: 94
SNMRY Omega Ratio Rank: 94
SNMRY Calmar Ratio Rank: 94
SNMRY Martin Ratio Rank: 97

ATO

ATO Risk / Return Rank: 80
ATO Sharpe Ratio Rank: 82
ATO Sortino Ratio Rank: 75
ATO Omega Ratio Rank: 76
ATO Calmar Ratio Rank: 86
ATO 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.

SNMRY vs. ATO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Snam SpA ADR (SNMRY) and Atmos Energy Corporation (ATO). 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.

	SNMRY	ATO	Difference
Sharpe ratio Return per unit of total volatility	2.71	1.41	+1.30
Sortino ratio Return per unit of downside risk	3.41	1.90	+1.51
Omega ratio Gain probability vs. loss probability	1.49	1.26	+0.23
Calmar ratio Return relative to maximum drawdown	5.73	3.15	+2.59
Martin ratio Return relative to average drawdown	20.74	6.35	+14.39
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SNMRY vs. ATO - Sharpe Ratio Comparison

The current SNMRY Sharpe Ratio is 2.71, which is higher than the ATO Sharpe Ratio of 1.41. The chart below compares the historical Sharpe Ratios of SNMRY and ATO, 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

	SNMRY	ATO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.71	1.41	+1.30
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.53	0.89	-0.37
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.27	0.58	-0.30
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	0.53	-0.26

Correlation

The correlation between SNMRY and ATO is 0.20, 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

SNMRY vs. ATO - Dividend Comparison

SNMRY's dividend yield for the trailing twelve months is around 4.50%, more than ATO's 2.02% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SNMRY Snam SpA ADR	4.50%	4.83%	6.89%	5.76%	5.82%	4.96%	3.20%	3.11%	3.70%	3.13%	20.86%	4.38%
ATO Atmos Energy Corporation	2.02%	2.15%	2.36%	2.61%	2.48%	2.44%	2.46%	1.92%	2.14%	2.14%	2.31%	2.52%

Drawdowns

SNMRY vs. ATO - Drawdown Comparison

The maximum SNMRY drawdown since its inception was -39.16%, smaller than the maximum ATO drawdown of -51.94%. Use the drawdown chart below to compare losses from any high point for SNMRY and ATO.

Drawdown Indicators

	SNMRY	ATO	Difference
Max Drawdown Largest peak-to-trough decline	-39.16%	-51.94%	+12.78%
Max Drawdown (1Y) Largest decline over 1 year	-9.19%	-7.20%	-1.99%
Max Drawdown (5Y) Largest decline over 5 years	-34.69%	-19.08%	-15.61%
Max Drawdown (10Y) Largest decline over 10 years	-39.16%	-32.91%	-6.25%
Current Drawdown Current decline from peak	-3.01%	-1.64%	-1.37%
Average Drawdown Average peak-to-trough decline	-11.03%	-8.58%	-2.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.54%	3.57%	-1.03%

Volatility

SNMRY vs. ATO - Volatility Comparison

Snam SpA ADR (SNMRY) has a higher volatility of 5.70% compared to Atmos Energy Corporation (ATO) at 3.82%. This indicates that SNMRY's price experiences larger fluctuations and is considered to be riskier than ATO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SNMRY	ATO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.70%	3.82%	+1.88%
Volatility (6M) Calculated over the trailing 6-month period	13.05%	10.27%	+2.78%
Volatility (1Y) Calculated over the trailing 1-year period	19.99%	15.96%	+4.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.59%	18.46%	+4.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.78%	21.21%	+10.57%

Financials

SNMRY vs. ATO - Profitability Comparison

The chart below illustrates the profitability comparison between Snam SpA ADR and Atmos Energy Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SNMRY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Snam SpA ADR reported a gross profit of 855.00M and revenue of 922.00M. Therefore, the gross margin over that period was 92.7%.

ATO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Atmos Energy Corporation reported a gross profit of 0.00 and revenue of 1.34B. Therefore, the gross margin over that period was 0.0%.

SNMRY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Snam SpA ADR reported an operating income of 452.00M and revenue of 922.00M, resulting in an operating margin of 49.0%.

ATO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Atmos Energy Corporation reported an operating income of 514.76M and revenue of 1.34B, resulting in an operating margin of 38.3%.

SNMRY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Snam SpA ADR reported a net income of 367.00M and revenue of 922.00M, resulting in a net margin of 39.8%.

ATO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Atmos Energy Corporation reported a net income of 402.96M and revenue of 1.34B, resulting in a net margin of 30.0%.