IGE vs. TNGY
IGE (iShares North American Natural Resources ETF) and TNGY (Tortoise Energy Fund) are both Energy Equities funds. IGE is passively managed, while TNGY is actively managed. Over the past year, IGE returned 30.59% vs 11.35% for TNGY. A 0.62 correlation means they provide meaningful diversification when combined. IGE charges 0.39%/yr vs 0.85%/yr for TNGY.
Performance
IGE vs. TNGY - Performance Comparison
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Returns By Period
In the year-to-date period, IGE achieves a 13.49% return, which is significantly higher than TNGY's 9.61% return.
IGE
- 1D
- -1.77%
- 1M
- -7.90%
- YTD
- 13.49%
- 6M
- 12.84%
- 1Y
- 30.59%
- 3Y*
- 17.84%
- 5Y*
- 15.86%
- 10Y*
- 8.90%
TNGY
- 1D
- -1.11%
- 1M
- -6.49%
- YTD
- 9.61%
- 6M
- 10.43%
- 1Y
- 11.35%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IGE vs. TNGY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IGE iShares North American Natural Resources ETF | 13.49% | 12.47% |
TNGY Tortoise Energy Fund | 9.61% | -2.37% |
Correlation
The correlation between IGE and TNGY is 0.63, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.63 |
Correlation (All Time) Calculated using the full available price history since Jun 16, 2025 | 0.62 |
The correlation between IGE and TNGY has been stable across timeframes, ranging from 0.62 to 0.63 - a consistent structural relationship.
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Return for Risk
IGE vs. TNGY — Risk / Return Rank
IGE
TNGY
IGE vs. TNGY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares North American Natural Resources ETF (IGE) 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.
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.
| IGE | TNGY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.15 | ||
| Sortino ratioReturn per unit of downside risk | +1.48 | ||
| Omega ratioGain probability vs. loss probability | 1.31 | 1.13 | +0.18 |
| Calmar ratioReturn relative to maximum drawdown | 2.97 | 1.16 | +1.80 |
| Martin ratioReturn relative to average drawdown | 11.11 | 3.37 | +7.75 |
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Drawdowns
IGE vs. TNGY - Drawdown Comparison
The maximum IGE drawdown since its inception was -67.55%, which is greater than TNGY's maximum drawdown of -9.79%. Use the drawdown chart below to compare losses from any high point for IGE and TNGY.
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Drawdown Indicators
| IGE | TNGY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -67.55% | -9.79% | -57.76% |
Max Drawdown (1Y)Largest decline over 1 year | -10.35% | -9.79% | -0.56% |
Max Drawdown (3Y)Largest decline over 3 years | -19.49% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -25.72% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -60.57% | — | — |
Current DrawdownCurrent decline from peak | -10.35% | -8.58% | -1.77% |
Average DrawdownAverage peak-to-trough decline | -18.87% | -3.60% | -15.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.76% | 3.38% | -0.62% |
Volatility
IGE vs. TNGY - Volatility Comparison
The current volatility for iShares North American Natural Resources ETF (IGE) is 5.49%, while Tortoise Energy Fund (TNGY) has a volatility of 6.38%. This indicates that IGE experiences smaller price fluctuations and is considered to be less risky than TNGY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IGE | TNGY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.49% | 6.38% | -0.89% |
Volatility (6M)Calculated over the trailing 6-month period | 13.10% | 12.83% | +0.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.56% | 16.05% | +0.51% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.42% | 16.45% | +5.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.93% | 16.45% | +8.48% |
IGE vs. TNGY - Expense Ratio Comparison
IGE has a 0.39% expense ratio, which is lower than TNGY's 0.85% expense ratio.
Dividends
IGE vs. TNGY - Dividend Comparison
IGE's dividend yield for the trailing twelve months is around 2.10%, less than TNGY's 3.59% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGE iShares North American Natural Resources ETF | 2.10% | 2.32% | 2.54% | 2.85% | 2.96% | 2.92% | 3.34% | 5.55% | 2.68% | 2.11% | 1.66% | 3.08% |
TNGY Tortoise Energy Fund | 3.59% | 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
IGE and TNGY have a correlation of 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TNGY has higher volatility (6.38%) compared to IGE (5.49%). In terms of maximum drawdown, IGE dropped -67.55% vs TNGY's -9.79%.
On 1-year performance, IGE leads with 30.59% vs 11.35% for TNGY. On fees, IGE is cheaper at 0.39% per year. On volatility, IGE has been the lower-risk option at 5.49%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IGE has performed better with a 30.59% return vs 11.35%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IGE is cheaper with a 0.39% expense ratio, compared with 0.85% for TNGY.
TNGY has the higher dividend yield at 3.59%, compared with 2.10% for IGE.
They also come from different issuers: iShares and Tortoise Capital. Their fees differ too: 0.39% for IGE and 0.85% for TNGY.
IGE currently has the higher Sharpe Ratio (1.86 vs 0.71), 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.
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