IEZ vs. MMKT
IEZ (iShares U.S. Oil Equipment & Services ETF) and MMKT (Texas Capital Government Money Market ETF) are both exchange-traded funds - IEZ is a Energy Equities fund tracking the Dow Jones U.S. Select Oil Equipment & Services Index, while MMKT is a Money Market fund actively managed by Texas Capital. IEZ is passively managed, while MMKT is actively managed. Over the past year, IEZ returned 59.92% vs 3.79% for MMKT. At a correlation of -0.03, they often move in opposite directions. IEZ charges 0.42%/yr vs 0.20%/yr for MMKT.
Performance
IEZ vs. MMKT - Performance Comparison
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Returns By Period
In the year-to-date period, IEZ achieves a 28.84% return, which is significantly higher than MMKT's 1.65% return.
IEZ
- 1D
- -3.36%
- 1M
- -15.91%
- YTD
- 28.84%
- 6M
- 29.84%
- 1Y
- 59.92%
- 3Y*
- 14.39%
- 5Y*
- 12.23%
- 10Y*
- -1.80%
MMKT
- 1D
- 0.01%
- 1M
- 0.28%
- YTD
- 1.65%
- 6M
- 1.74%
- 1Y
- 3.79%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IEZ vs. MMKT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IEZ iShares U.S. Oil Equipment & Services ETF | 28.84% | 7.51% | -4.61% |
MMKT Texas Capital Government Money Market ETF | 1.65% | 4.13% | 1.22% |
Correlation
The correlation between IEZ and MMKT is -0.14, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.14 |
Correlation (All Time) Calculated using the full available price history since Sep 25, 2024 | -0.03 |
The correlation between IEZ and MMKT shifts across timeframes, from -0.14 (1 year) to -0.03 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
IEZ vs. MMKT — Risk / Return Rank
IEZ
MMKT
IEZ vs. MMKT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Oil Equipment & Services ETF (IEZ) and Texas Capital Government Money Market ETF (MMKT). 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.
| IEZ | MMKT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -14.83 | ||
| Sortino ratioReturn per unit of downside risk | -60.45 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 15.82 | -14.49 |
| Calmar ratioReturn relative to maximum drawdown | 3.43 | 152.75 | -149.32 |
| Martin ratioReturn relative to average drawdown | 13.63 | 916.29 | -902.66 |
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Drawdowns
IEZ vs. MMKT - Drawdown Comparison
The maximum IEZ drawdown since its inception was -92.52%, which is greater than MMKT's maximum drawdown of -0.04%. Use the drawdown chart below to compare losses from any high point for IEZ and MMKT.
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Drawdown Indicators
| IEZ | MMKT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -92.52% | -0.04% | -92.48% |
Max Drawdown (1Y)Largest decline over 1 year | -17.56% | -0.02% | -17.54% |
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 | -57.48% | 0.00% | -57.48% |
Average DrawdownAverage peak-to-trough decline | -48.26% | -0.00% | -48.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.41% | 0.00% | +4.41% |
Volatility
IEZ vs. MMKT - Volatility Comparison
iShares U.S. Oil Equipment & Services ETF (IEZ) has a higher volatility of 10.23% compared to Texas Capital Government Money Market ETF (MMKT) at 0.04%. This indicates that IEZ's price experiences larger fluctuations and is considered to be riskier than MMKT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IEZ | MMKT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.23% | 0.04% | +10.19% |
Volatility (6M)Calculated over the trailing 6-month period | 21.15% | 0.13% | +21.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.38% | 0.23% | +29.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.35% | 0.23% | +36.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 41.53% | 0.23% | +41.30% |
IEZ vs. MMKT - Expense Ratio Comparison
IEZ has a 0.42% expense ratio, which is higher than MMKT's 0.20% expense ratio.
Dividends
IEZ vs. MMKT - Dividend Comparison
IEZ's dividend yield for the trailing twelve months is around 1.29%, less than MMKT's 3.71% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEZ iShares U.S. Oil Equipment & Services ETF | 1.29% | 1.87% | 1.76% | 0.97% | 0.65% | 1.20% | 2.07% | 2.28% | 1.81% | 3.42% | 0.91% | 2.40% |
MMKT Texas Capital Government Money Market ETF | 3.71% | 3.98% | 1.07% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IEZ and MMKT have a correlation of -0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IEZ has higher volatility (10.23%) compared to MMKT (0.04%). In terms of maximum drawdown, IEZ dropped -92.52% vs MMKT's -0.04%.
On 1-year performance, IEZ leads with 59.92% vs 3.79% for MMKT. On fees, MMKT is cheaper at 0.20% per year. On volatility, MMKT has been the lower-risk option at 0.04%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IEZ has performed better with a 59.92% return vs 3.79%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MMKT is cheaper with a 0.20% expense ratio, compared with 0.42% for IEZ.
MMKT has the higher dividend yield at 3.71%, compared with 1.29% for IEZ.
IEZ is categorized as Energy Equities, while MMKT is Money Market. They also come from different issuers: iShares and Texas Capital. Their fees differ too: 0.42% for IEZ and 0.20% for MMKT.
MMKT currently has the higher Sharpe Ratio (16.88 vs 2.05), 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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