TNGY vs. DRLL

Last updated Aug 1, 2026

TNGY (Tortoise Energy Fund) and DRLL (Strive U.S. Energy ETF) are both Energy Equities funds. TNGY is actively managed, while DRLL is passively managed. Over the past year, TNGY returned 21.86% vs 44.82% for DRLL. Their 0.70 correlation means they have sometimes moved together and sometimes differently. TNGY charges 0.85%/yr vs 0.41%/yr for DRLL.

Performance

TNGY vs. DRLL - Performance Comparison

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

Returns By Period

In the year-to-date period, TNGY achieves a 18.64% return, which is significantly lower than DRLL's 36.69% return.

TNGY

• 1D: 1.42%
• 1M: 8.49%
• 6M: 12.54%
• YTD: 18.64%
• 1Y: 21.86%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 13.98%

DRLL

• 1D: 0.80%
• 1M: 14.19%
• 6M: 21.14%
• YTD: 36.69%
• 1Y: 44.82%
• 3Y*: 12.74%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 13.77%

*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)
DRLL Strive U.S. Energy ETF	$463.62K	$500.96K	$563.89K
TNGY Tortoise Energy Fund	$575.58K	$661.37K	$648.60K

TNGY vs. DRLL - Yearly Performance Comparison

	2026 (YTD)	2025
TNGY Tortoise Energy Fund	18.64%	-2.37%
DRLL Strive U.S. Energy ETF	36.69%	2.90%

Correlation

The correlation between TNGY and DRLL is 0.75, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.75
Correlation (All Time) Calculated using the full available price history since Jun 16, 2025	0.70

The correlation between TNGY and DRLL has been stable across timeframes, ranging from 0.70 to 0.75 - a consistent structural relationship.

Return for Risk

TNGY vs. DRLL — Risk / Return Rank

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

TNGY

TNGY Risk / Return Rank: 49
TNGY Sharpe Ratio Rank: 49
TNGY Sortino Ratio Rank: 46
TNGY Omega Ratio Rank: 44
TNGY Calmar Ratio Rank: 58
TNGY Martin Ratio Rank: 47

DRLL

DRLL Risk / Return Rank: 70
DRLL Sharpe Ratio Rank: 79
DRLL Sortino Ratio Rank: 72
DRLL Omega Ratio Rank: 72
DRLL Calmar Ratio Rank: 71
DRLL Martin Ratio Rank: 53

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.

TNGY vs. DRLL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tortoise Energy Fund (TNGY) and Strive U.S. Energy ETF (DRLL). 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.

	TNGY	DRLL	Difference
Sharpe ratio: Return per unit of total volatility	1.20	1.82	-0.62
Sortino ratio: Return per unit of downside risk	1.67	2.35	-0.68
Omega ratio: Gain probability vs. loss probability	1.21	1.30	-0.09
Calmar ratio: Return relative to maximum drawdown	2.05	2.46	-0.41
Martin ratio: Return relative to average drawdown	5.39	6.27	-0.89

TNGY vs. DRLL - Sharpe Ratio Comparison

The current TNGY Sharpe Ratio is 1.20, which is lower than the DRLL Sharpe Ratio of 1.82. The chart below compares the historical Sharpe Ratios of TNGY and DRLL, 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

TNGY vs. DRLL - Drawdown Comparison

The maximum TNGY drawdown since its inception was -9.79%, smaller than the maximum DRLL drawdown of -23.73%. Use the drawdown chart below to compare losses from any high point for TNGY and DRLL.

Drawdown Indicators

	TNGY	DRLL	Difference
Max Drawdown Largest peak-to-trough decline	-9.79%	-23.73%	+13.94%
Max Drawdown (1Y) Largest decline over 1 year	-9.79%	-16.99%	+7.20%
Max Drawdown (3Y) Largest decline over 3 years	—	-23.73%	—
Current Drawdown Current decline from peak	-1.50%	-4.30%	+2.80%
Average Drawdown Average peak-to-trough decline	-3.68%	-8.14%	+4.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.75%	6.68%	-2.93%

Volatility

TNGY vs. DRLL - Volatility Comparison

The current volatility for Tortoise Energy Fund (TNGY) is 5.91%, while Strive U.S. Energy ETF (DRLL) has a volatility of 6.71%. This indicates that TNGY experiences smaller price fluctuations and is considered to be less risky than DRLL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TNGY	DRLL	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.91%	6.71%	-0.80%
Volatility (6M) Calculated over the trailing 6-month period	13.89%	18.75%	-4.86%
Volatility (1Y) Calculated over the trailing 1-year period	16.70%	23.03%	-6.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.74%	23.80%	-7.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.74%	23.80%	-7.06%

TNGY vs. DRLL - Expense Ratio Comparison

TNGY has a 0.85% expense ratio, which is higher than DRLL's 0.41% expense ratio.

Dividends

TNGY vs. DRLL - Dividend Comparison

TNGY's dividend yield for the trailing twelve months is around 4.47%, more than DRLL's 2.22% yield.

Position	TTM	2025	2024	2023	2022
DRLL Strive U.S. Energy ETF	2.22%	2.99%	3.00%	3.01%	1.18%
TNGY Tortoise Energy Fund	4.47%	2.59%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TNGY and DRLL in my portfolio?

TNGY and DRLL have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TNGY or DRLL?

DRLL has higher volatility (6.71%) compared to TNGY (5.91%). In terms of maximum drawdown, TNGY dropped -9.79% vs DRLL's -23.73%.

Which ETF is better, TNGY or DRLL?

On 1-year performance, DRLL leads with 44.82% vs 21.86% for TNGY. On fees, DRLL is cheaper at 0.41% per year. On volatility, TNGY has been the lower-risk option at 5.91%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TNGY or DRLL?

Over the 1-year period, DRLL has performed better with a 44.82% return vs 21.86%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TNGY or DRLL?

DRLL is cheaper with a 0.41% expense ratio, compared with 0.85% for TNGY.

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

TNGY has the higher dividend yield at 4.47%, compared with 2.22% for DRLL.

What is the main difference between TNGY and DRLL?

They also come from different issuers: Tortoise and Strive. Their fees differ too: 0.85% for TNGY and 0.41% for DRLL.

Which has better risk-adjusted returns?

DRLL currently has the higher Sharpe Ratio (1.82 vs 1.20), 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.