SSXU vs. ATO

Last updated Jun 24, 2026

SSXU (Day Hagan/Ned Davis Research Smart Sector International ETF) is Foreign Large Cap Equities fund actively managed by Day Hagan, while ATO (Atmos Energy Corporation) is a stock. Over the past 3 years, SSXU returned 12.21%/yr vs 17.17%/yr for ATO. At a 0.24 correlation, their price movements are largely independent.

Performance

SSXU vs. ATO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Day Hagan/Ned Davis Research Smart Sector International ETF (SSXU) and Atmos Energy Corporation (ATO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with SSXU having a 3.06% return and ATO slightly higher at 3.21%.

SSXU

• 1D: -1.45%
• 1M: -1.58%
• YTD: 3.06%
• 6M: 2.66%
• 1Y: 17.70%
• 3Y*: 12.21%
• 5Y*: —
• 10Y*: —

ATO

• 1D: 0.88%
• 1M: -3.24%
• YTD: 3.21%
• 6M: 2.99%
• 1Y: 11.86%
• 3Y*: 17.17%
• 5Y*: 14.72%
• 10Y*: 10.90%

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

SSXU vs. ATO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SSXU Day Hagan/Ned Davis Research Smart Sector International ETF	3.06%	27.09%	5.28%	9.56%	2.14%
ATO Atmos Energy Corporation	3.21%	23.07%	23.35%	6.17%	1.18%

Correlation

The correlation between SSXU and ATO is 0.10, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.10
Correlation (3Y) Calculated over the trailing 3-year period	0.19
Correlation (All Time) Calculated using the full available price history since Jul 1, 2022	0.24

The correlation between SSXU and ATO shifts across timeframes, from 0.10 (1 year) to 0.24 (all time), reflecting how their relationship changes across market environments.

Return for Risk

SSXU vs. ATO — Risk / Return Rank

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

SSXU

SSXU Risk / Return Rank: 38
SSXU Sharpe Ratio Rank: 39
SSXU Sortino Ratio Rank: 38
SSXU Omega Ratio Rank: 38
SSXU Calmar Ratio Rank: 36
SSXU Martin Ratio Rank: 39

ATO

ATO Risk / Return Rank: 62
ATO Sharpe Ratio Rank: 67
ATO Sortino Ratio Rank: 59
ATO Omega Ratio Rank: 57
ATO Calmar Ratio Rank: 62
ATO Martin Ratio Rank: 66

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.

SSXU vs. ATO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Day Hagan/Ned Davis Research Smart Sector International ETF (SSXU) 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.

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.

	SSXU	ATO	Difference
Sharpe ratio: Return per unit of total volatility	1.27	0.78	+0.49
Sortino ratio: Return per unit of downside risk	1.81	1.16	+0.65
Omega ratio: Gain probability vs. loss probability	1.23	1.14	+0.09
Calmar ratio: Return relative to maximum drawdown	1.66	0.95	+0.71
Martin ratio: Return relative to average drawdown	5.62	2.63	+2.99

SSXU vs. ATO - Sharpe Ratio Comparison

The current SSXU Sharpe Ratio is 1.27, which is higher than the ATO Sharpe Ratio of 0.78. The chart below compares the historical Sharpe Ratios of SSXU and ATO, 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

SSXU vs. ATO - Drawdown Comparison

The maximum SSXU drawdown since its inception was -13.91%, smaller than the maximum ATO drawdown of -51.94%. Use the drawdown chart below to compare losses from any high point for SSXU and ATO.

Drawdown Indicators

	SSXU	ATO	Difference
Max Drawdown Largest peak-to-trough decline	-13.91%	-51.94%	+38.03%
Max Drawdown (1Y) Largest decline over 1 year	-10.71%	-12.58%	+1.87%
Max Drawdown (3Y) Largest decline over 3 years	-13.91%	-16.87%	+2.96%
Max Drawdown (5Y) Largest decline over 5 years	—	-19.08%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-32.91%	—
Current Drawdown Current decline from peak	-5.35%	-10.52%	+5.17%
Average Drawdown Average peak-to-trough decline	-3.24%	-8.56%	+5.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.16%	4.52%	-1.36%

Volatility

SSXU vs. ATO - Volatility Comparison

Day Hagan/Ned Davis Research Smart Sector International ETF (SSXU) and Atmos Energy Corporation (ATO) have volatilities of 4.43% and 4.43%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSXU	ATO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.43%	4.43%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	11.95%	11.04%	+0.91%
Volatility (1Y) Calculated over the trailing 1-year period	14.01%	15.45%	-1.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.41%	18.55%	-4.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.41%	21.25%	-6.84%

Dividends

SSXU vs. ATO - Dividend Comparison

SSXU's dividend yield for the trailing twelve months is around 2.58%, more than ATO's 2.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATO Atmos Energy Corporation	2.26%	2.15%	2.36%	2.61%	2.48%	2.44%	2.46%	1.92%	2.14%	2.14%	2.31%	2.52%
SSXU Day Hagan/Ned Davis Research Smart Sector International ETF	2.58%	2.66%	2.74%	2.07%	0.65%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SSXU and ATO in my portfolio?

SSXU and ATO have a correlation of 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SSXU or ATO?

ATO has higher volatility (4.43%) compared to SSXU (4.43%). In terms of maximum drawdown, SSXU dropped -13.91% vs ATO's -51.94%.

Which has better risk-adjusted returns?

SSXU currently has the higher Sharpe Ratio (1.27 vs 0.78), 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.