IEZ vs. TNGY
IEZ (iShares U.S. Oil Equipment & Services ETF) and TNGY (Tortoise Energy Fund) are both Energy Equities funds. IEZ is passively managed, while TNGY is actively managed. At a 0.49 correlation, their price movements are largely independent. IEZ charges 0.42%/yr vs 0.85%/yr for TNGY.
Performance
IEZ vs. TNGY - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IEZ achieves a 47.84% return, which is significantly higher than TNGY's 15.21% return.
IEZ
- 1D
- 0.03%
- 1M
- -3.54%
- YTD
- 47.84%
- 6M
- 42.02%
- 1Y
- 85.10%
- 3Y*
- 19.17%
- 5Y*
- 13.91%
- 10Y*
- -0.13%
TNGY
- 1D
- 0.39%
- 1M
- -3.15%
- YTD
- 15.21%
- 6M
- 12.60%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IEZ vs. TNGY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IEZ iShares U.S. Oil Equipment & Services ETF | 47.84% | 17.22% |
TNGY Tortoise Energy Fund | 15.21% | 1.81% |
Correlation
The correlation between IEZ and TNGY is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jun 17, 2025 | 0.49 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IEZ vs. TNGY — Risk / Return Rank
IEZ
TNGY
IEZ vs. TNGY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Oil Equipment & Services ETF (IEZ) 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.
| IEZ | TNGY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.46 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 8.29 | — | — |
| Martin ratioReturn relative to average drawdown | 22.60 | — | — |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| IEZ | TNGY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.00 | — | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.38 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.00 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.04 | 1.15 | -1.19 |
Drawdowns
IEZ vs. TNGY - Drawdown Comparison
The maximum IEZ drawdown since its inception was -92.52%, which is greater than TNGY's maximum drawdown of -8.86%. Use the drawdown chart below to compare losses from any high point for IEZ and TNGY.
Loading charts...
Drawdown Indicators
| IEZ | TNGY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -92.52% | -8.86% | -83.66% |
Max Drawdown (1Y)Largest decline over 1 year | -10.32% | — | — |
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 DrawdownCurrent decline from peak | -51.21% | -3.92% | -47.29% |
Average DrawdownAverage peak-to-trough decline | -48.26% | -2.18% | -46.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.78% | — | — |
Volatility
IEZ vs. TNGY - Volatility Comparison
Loading charts...
Volatility by Period
| IEZ | TNGY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.95% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 20.11% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 28.62% | 15.70% | +12.92% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.35% | 15.70% | +20.65% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 41.56% | 15.70% | +25.86% |
IEZ vs. TNGY - Expense Ratio Comparison
IEZ has a 0.42% expense ratio, which is lower than TNGY's 0.85% expense ratio.
Dividends
IEZ vs. TNGY - Dividend Comparison
IEZ's dividend yield for the trailing twelve months is around 1.18%, less than TNGY's 3.41% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEZ iShares U.S. Oil Equipment & Services ETF | 1.18% | 1.87% | 1.76% | 0.97% | 0.65% | 1.20% | 2.07% | 2.28% | 1.81% | 3.42% | 0.91% | 2.40% |
TNGY Tortoise Energy Fund | 3.41% | 2.59% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IEZ and TNGY have a correlation of 0.49, 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 0.85% for TNGY.
TNGY has the higher dividend yield at 3.41%, compared with 1.18% for IEZ.
They also come from different issuers: iShares and Tortoise Capital. Their fees differ too: 0.42% for IEZ and 0.85% for TNGY.
Find the right allocation for IEZ and TNGY
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer