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TNUK vs. IEZ
Performance
Return for Risk
Drawdowns
Volatility
Dividends

TNUK vs. IEZ

Last updated Aug 2, 2026
Documentation

TNUK (Tortoise Nuclear Renaissance ETF) and IEZ (iShares U.S. Oil Equipment & Services ETF) are both Energy Equities funds. TNUK is actively managed, while IEZ is passively managed. Their 0.28 correlation means their historical movements had little consistent relationship. TNUK charges 0.75%/yr vs 0.42%/yr for IEZ.

Performance

TNUK vs. IEZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tortoise Nuclear Renaissance ETF (TNUK) and iShares U.S. Oil Equipment & Services ETF (IEZ). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, TNUK achieves a -6.93% return, which is significantly lower than IEZ's 33.61% return.

TNUK

1D
-0.08%
1M
-5.30%
6M
-17.52%
YTD
-6.93%
1Y
—
3Y*
—
5Y*
—
10Y*
—
ALL TIME*
—

IEZ

1D
2.14%
1M
7.27%
6M
9.35%
YTD
33.61%
1Y
61.28%
3Y*
6.89%
5Y*
17.11%
10Y*
-0.93%
ALL TIME*
-1.89%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

IEZ

iShares U.S. Oil Equipment & Services ETF
$3.08M$5.63M$14.82M

TNUK

Tortoise Nuclear Renaissance ETF
$15.71K$18.50K$30.73K

TNUK vs. IEZ - Yearly Performance Comparison

2026 (YTD)2025
TNUK
Tortoise Nuclear Renaissance ETF		-6.93%0.34%
IEZ
iShares U.S. Oil Equipment & Services ETF		33.61%1.16%

Correlation

The correlation between TNUK and IEZ is 0.28, which is low. Their historical price movements had little consistent relationship.

Correlation
Correlation (All Time)
Calculated using the full available price history since Dec 18, 2025

0.28

TNUK vs. IEZ - Sectors Allocation Comparison

Sectors
TNUK
IEZ

Industrials

53.0%
0.9%

Utilities

23.9%
1.0%

Energy

23.1%
99.1%

Basic Materials

0.1%

-

Technology

0.1%

-

Communication Services

-

-

Consumer Cyclical

-

-

Consumer Defensive

-

-

Financial Services

-

-

Healthcare

-

-

Real Estate

-

-

Industrials

TNUK
53.0%
IEZ
0.9%

Utilities

TNUK
23.9%
IEZ
1.0%

Energy

TNUK
23.1%
IEZ
99.1%

Basic Materials

TNUK
0.1%
IEZ

-

Technology

TNUK
0.1%
IEZ

-

Communication Services

TNUK

-

IEZ

-

Consumer Cyclical

TNUK

-

IEZ

-

Consumer Defensive

TNUK

-

IEZ

-

Financial Services

TNUK

-

IEZ

-

Healthcare

TNUK

-

IEZ

-

Real Estate

TNUK

-

IEZ

-

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Tortoise Nuclear Renaissance ETF

iShares U.S. Oil Equipment & Services ETF

Often compared with TNUK:
TNUK vs. DVXETNUK vs. TBLUTNUK vs. GXPETNUK vs. TCAITNUK vs. TPYPTNUK vs. VDETNUK vs. FENY
Often compared with IEZ:
IEZ vs. XESIEZ vs. XOPIEZ vs. FCGIEZ vs. EZUIEZ vs. IBBQIEZ vs. IEOIEZ vs. USO

Return for Risk

TNUK vs. IEZ — Risk / Return Rank

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

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

IEZ
IEZ Risk / Return Rank: 7777
Overall Rank
IEZ Sharpe Ratio Rank: 8484
Sharpe Ratio Rank
IEZ Sortino Ratio Rank: 7979
Sortino Ratio Rank
IEZ Omega Ratio Rank: 7676
Omega Ratio Rank
IEZ Calmar Ratio Rank: 7777
Calmar Ratio Rank
IEZ Martin Ratio Rank: 6969
Martin Ratio Rank
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.

TNUK vs. IEZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tortoise Nuclear Renaissance ETF (TNUK) and iShares U.S. Oil Equipment & Services ETF (IEZ). 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.

TNUKIEZDifference
Sharpe ratioReturn per unit of total volatility

—

1.94

—

Sortino ratioReturn per unit of downside risk

—

2.56

—

Omega ratioGain probability vs. loss probability

—

1.32

—

Calmar ratioReturn relative to maximum drawdown

—

2.75

—

Martin ratioReturn relative to average drawdown

—

8.44

—

TNUK vs. IEZ - Sharpe Ratio Comparison

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Drawdowns

TNUK vs. IEZ - Drawdown Comparison

The maximum TNUK drawdown since its inception was -25.30%, smaller than the maximum IEZ drawdown of -92.52%. Use the drawdown chart below to compare losses from any high point for TNUK and IEZ.

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Drawdown Indicators

TNUKIEZDifference

Max Drawdown

Largest peak-to-trough decline

-25.30%

-92.52%

+67.22%

Max Drawdown (1Y)

Largest decline over 1 year

—

-20.34%

—

Max Drawdown (3Y)

Largest decline over 3 years

—

-40.25%

—

Max Drawdown (5Y)

Largest decline over 5 years

—

-40.25%

—

Max Drawdown (10Y)

Largest decline over 10 years

—

-88.29%

—

Current Drawdown

Current decline from peak

-22.29%

-55.90%

+33.61%

Average Drawdown

Average peak-to-trough decline

-10.43%

-48.31%

+37.88%

Ulcer Index

Depth and duration of drawdowns from previous peaks

—

6.63%

—

Volatility

TNUK vs. IEZ - Volatility Comparison

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Volatility by Period

TNUKIEZDifference

Volatility (1M)

Calculated over the trailing 1-month period

—

7.82%

—

Volatility (6M)

Calculated over the trailing 6-month period

—

20.66%

—

Volatility (1Y)

Calculated over the trailing 1-year period

34.06%

28.78%

+5.28%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

34.06%

35.96%

-1.90%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

34.06%

41.44%

-7.38%

TNUK vs. IEZ - Expense Ratio Comparison

TNUK has a 0.75% expense ratio, which is higher than IEZ's 0.42% expense ratio.

Dividends

TNUK vs. IEZ - Dividend Comparison

TNUK has not paid dividends to shareholders, while IEZ's dividend yield for the trailing twelve months is around 1.24%.

PositionTTM20252024202320222021202020192018201720162015
IEZ
iShares U.S. Oil Equipment & Services ETF		1.24%1.87%1.76%0.97%0.65%1.20%2.07%2.28%1.81%3.42%0.91%2.40%
TNUK
Tortoise Nuclear Renaissance ETF		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

TNUK and IEZ have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, IEZ is cheaper at 0.42% per year. The better choice depends on whether you care most about return, fees, risk, or income.

IEZ is cheaper with a 0.42% expense ratio, compared with 0.75% for TNUK.

IEZ has the higher dividend yield at 1.24%, compared with 0.00% for TNUK.

They also come from different issuers: Tortoise and iShares. Their fees differ too: 0.75% for TNUK and 0.42% for IEZ.

Portfolio Optimizer

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