USNG vs. TNGY

Last updated Jun 4, 2026

USNG (Amplify Samsung U.S. Natural Gas Infrastructure ETF) and TNGY (Tortoise Energy Fund) are both Energy Equities funds. Both are actively managed. A 0.62 correlation means they provide meaningful diversification when combined. USNG charges 0.59%/yr vs 0.85%/yr for TNGY.

Performance

USNG vs. TNGY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amplify Samsung U.S. Natural Gas Infrastructure ETF (USNG) and Tortoise Energy Fund (TNGY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, USNG achieves a 31.42% return, which is significantly higher than TNGY's 15.21% return.

USNG

• 1D: -0.19%
• 1M: -1.95%
• YTD: 31.42%
• 6M: 28.41%
• 1Y: 40.50%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TNGY

• 1D: 0.39%
• 1M: -3.15%
• YTD: 15.21%
• 6M: 12.60%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

USNG vs. TNGY - Yearly Performance Comparison

	2026 (YTD)	2025
USNG Amplify Samsung U.S. Natural Gas Infrastructure ETF	31.42%	7.74%
TNGY Tortoise Energy Fund	15.21%	1.81%

Correlation

The correlation between USNG and TNGY is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 17, 2025	0.62

Return for Risk

USNG vs. TNGY — Risk / Return Rank

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

USNG

USNG Risk / Return Rank: 80
USNG Sharpe Ratio Rank: 77
USNG Sortino Ratio Rank: 76
USNG Omega Ratio Rank: 70
USNG Calmar Ratio Rank: 91
USNG Martin Ratio Rank: 89

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.

USNG vs. TNGY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amplify Samsung U.S. Natural Gas Infrastructure ETF (USNG) and Tortoise Energy Fund (TNGY). 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.

	USNG	TNGY	Difference
Sharpe ratio: Return per unit of total volatility	2.47	—	—
Sortino ratio: Return per unit of downside risk	3.39	—	—
Omega ratio: Gain probability vs. loss probability	1.41	—	—
Calmar ratio: Return relative to maximum drawdown	5.97	—	—
Martin ratio: Return relative to average drawdown	19.70	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	USNG	TNGY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.47	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.66	1.15	+1.51

Drawdowns

USNG vs. TNGY - Drawdown Comparison

The maximum USNG drawdown since its inception was -6.82%, smaller than the maximum TNGY drawdown of -8.86%. Use the drawdown chart below to compare losses from any high point for USNG and TNGY.

Drawdown Indicators

	USNG	TNGY	Difference
Max Drawdown Largest peak-to-trough decline	-6.82%	-8.86%	+2.04%
Max Drawdown (1Y) Largest decline over 1 year	-6.82%	—	—
Current Drawdown Current decline from peak	-4.10%	-3.92%	-0.18%
Average Drawdown Average peak-to-trough decline	-1.40%	-2.18%	+0.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.07%	—	—

Volatility

Volatility by Period

	USNG	TNGY	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.40%	—	—
Volatility (6M) Calculated over the trailing 6-month period	12.56%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	16.52%	15.70%	+0.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.55%	15.70%	+0.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.55%	15.70%	+0.85%

USNG vs. TNGY - Expense Ratio Comparison

USNG has a 0.59% expense ratio, which is lower than TNGY's 0.85% expense ratio.

Dividends

USNG vs. TNGY - Dividend Comparison

USNG's dividend yield for the trailing twelve months is around 1.13%, less than TNGY's 3.41% yield.

Position	TTM	2025
TNGY Tortoise Energy Fund	3.41%	2.59%
USNG Amplify Samsung U.S. Natural Gas Infrastructure ETF	1.13%	1.10%

Frequently Asked Questions

Can I hold both USNG and TNGY in my portfolio?

USNG and TNGY have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, USNG or TNGY?

On fees, USNG is cheaper at 0.59% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, USNG or TNGY?

USNG is cheaper with a 0.59% expense ratio, compared with 0.85% for TNGY.

Which ETF pays a higher dividend yield, USNG or TNGY?

TNGY has the higher dividend yield at 3.41%, compared with 1.13% for USNG.

What is the main difference between USNG and TNGY?

They also come from different issuers: Amplify and Tortoise Capital. Their fees differ too: 0.59% for USNG and 0.85% for TNGY.