PMMF vs. UMI
PMMF (iShares Prime Money Market ETF) and UMI (USCF Midstream Energy Income Fund ETF) are both exchange-traded funds - PMMF is a Money Market fund actively managed by BlackRock, while UMI is a Energy Equities fund actively managed by Wainwright, Inc.. Both are actively managed. Over the past year, PMMF returned 4.00% vs 23.91% for UMI. At a correlation of -0.09, they often move in opposite directions. PMMF charges 0.20%/yr vs 0.85%/yr for UMI.
Performance
PMMF vs. UMI - Performance Comparison
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Returns By Period
In the year-to-date period, PMMF achieves a 1.52% return, which is significantly lower than UMI's 22.52% return.
PMMF
- 1D
- 0.01%
- 1M
- 0.30%
- YTD
- 1.52%
- 6M
- 1.82%
- 1Y
- 4.00%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
UMI
- 1D
- 0.02%
- 1M
- -1.04%
- YTD
- 22.52%
- 6M
- 22.06%
- 1Y
- 23.91%
- 3Y*
- 27.26%
- 5Y*
- 20.29%
- 10Y*
- —
PMMF vs. UMI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
PMMF iShares Prime Money Market ETF | 1.52% | 3.85% |
UMI USCF Midstream Energy Income Fund ETF | 22.52% | 0.53% |
Correlation
The correlation between PMMF and UMI is -0.12, 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 | -0.12 |
Correlation (All Time) Calculated using the full available price history since Feb 7, 2025 | -0.09 |
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Return for Risk
PMMF vs. UMI — Risk / Return Rank
PMMF
UMI
PMMF vs. UMI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Prime Money Market ETF (PMMF) and USCF Midstream Energy Income Fund ETF (UMI). 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.
| PMMF | UMI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +18.01 | ||
| Sortino ratioReturn per unit of downside risk | +92.86 | ||
| Omega ratioGain probability vs. loss probability | 38.37 | 1.30 | +37.08 |
| Calmar ratioReturn relative to maximum drawdown | 161.17 | 3.20 | +157.97 |
| Martin ratioReturn relative to average drawdown | 1,488.23 | 8.90 | +1,479.33 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PMMF | UMI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 19.72 | 1.71 | +18.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 1.04 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 11.97 | 0.62 | +11.35 |
Drawdowns
PMMF vs. UMI - Drawdown Comparison
The maximum PMMF drawdown since its inception was -0.13%, smaller than the maximum UMI drawdown of -48.08%. Use the drawdown chart below to compare losses from any high point for PMMF and UMI.
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Drawdown Indicators
| PMMF | UMI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.13% | -48.08% | +47.95% |
Max Drawdown (1Y)Largest decline over 1 year | -0.02% | -7.50% | +7.48% |
Max Drawdown (3Y)Largest decline over 3 years | — | -17.08% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -20.05% | — |
Current DrawdownCurrent decline from peak | 0.00% | -4.76% | +4.76% |
Average DrawdownAverage peak-to-trough decline | -0.00% | -6.60% | +6.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.00% | 2.70% | -2.70% |
Volatility
PMMF vs. UMI - Volatility Comparison
The current volatility for iShares Prime Money Market ETF (PMMF) is 0.05%, while USCF Midstream Energy Income Fund ETF (UMI) has a volatility of 5.94%. This indicates that PMMF experiences smaller price fluctuations and is considered to be less risky than UMI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PMMF | UMI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.05% | 5.94% | -5.89% |
Volatility (6M)Calculated over the trailing 6-month period | 0.12% | 10.98% | -10.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.20% | 14.04% | -13.84% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.34% | 19.55% | -19.21% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.34% | 23.20% | -22.86% |
PMMF vs. UMI - Expense Ratio Comparison
PMMF has a 0.20% expense ratio, which is lower than UMI's 0.85% expense ratio.
Dividends
PMMF vs. UMI - Dividend Comparison
PMMF's dividend yield for the trailing twelve months is around 3.83%, less than UMI's 5.98% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
PMMF iShares Prime Money Market ETF | 3.83% | 3.59% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
UMI USCF Midstream Energy Income Fund ETF | 5.98% | 6.23% | 4.39% | 4.67% | 4.36% | 3.00% | 2.18% | 2.47% | 2.48% | 0.15% |
Frequently Asked Questions
PMMF and UMI have a correlation of -0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
UMI has higher volatility (5.94%) compared to PMMF (0.05%). In terms of maximum drawdown, PMMF dropped -0.13% vs UMI's -48.08%.
On 1-year performance, UMI leads with 23.91% vs 4.00% for PMMF. On fees, PMMF is cheaper at 0.20% per year. On volatility, PMMF has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, UMI has performed better with a 23.91% return vs 4.00%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
PMMF is cheaper with a 0.20% expense ratio, compared with 0.85% for UMI.
UMI has the higher dividend yield at 5.98%, compared with 3.83% for PMMF.
PMMF is categorized as Money Market, while UMI is Energy Equities. They also come from different issuers: BlackRock and Wainwright, Inc.. Their fees differ too: 0.20% for PMMF and 0.85% for UMI.
PMMF currently has the higher Sharpe Ratio (19.72 vs 1.71), 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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