MDSTvsRSPGETF Comparison
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Westwood Salient Enhanced Midstream Income ETF (MDST) belongs to the Options Strategies segment. Invesco S&P 500® Equal Weight Energy ETF (RSPG) is part of the US Energy segment. Both ETFs have the same top 3 sector exposures: and Energy. MDST is more expensive with a Total Expense Ratio (TER) of 0.8%, versus 0.4% for RSPG. MDST is up 10.8% year-to-date (YTD) with +$47M in YTD flows. RSPG performs better with 33.18% YTD performance, and +$35M in YTD flows. Run a side-by-side ETF comparison of MDST and RSPG below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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MDST vs RSPG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MDST RSPG | -2.67%-4.72% | +6.26%+19.99% | +10.80%+33.18% | +16.65%+49.76% | n/a+63.26% | n/a+193.94% |
| Flows | MDST RSPG | +$11M-$16M | +$39M-$4M | +$47M+$35M | +$139M-$12M | --$127M | -+$90M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MDST RSPG | +9.30%+22.85% | +11.28%+21.10% | n/a+23.00% | n/a+28.32% |
| Max drawdown | MDST RSPG | -4.32%-12.15% | -5.89%-12.15% | n/a-23.04% | n/a-28.42% |
| Max drawdown duration | MDST RSPG | 32d30d | 66d30d | n/a415d | n/a429d |
Trading data
MDST | RSPG | |
Last sale 4/28/2026 at 7:59 PM | $28.73 | $107.35 |
| Previous close 04/28/2026 | $28.24 | $105.50 |
| Consolidated volume 04/28/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 2026
1-year trailing difference
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MDST
is actively managed and doesn’t replicate an indexMDST | RSPG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
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Main metrics
Last update 4/28/2026 at 7:59 PM
Live
Closed
MDST | RSPG | |
|---|---|---|
| Last price | $28.73 | $107.35 |
| 1D performance | +1.75% | +1.76% |
| AuM | $233.44 M | $609.82 M |
| E/R | 0.8% | 0.4% |
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Exposure
Countries
MDST
USA
74.28%
Canada
17.8%
Other
7.92%
RSPG
USA
95.44%
Other
4.56%
Sectors
MDST
Energy
92.08%
Other
7.92%
RSPG
Energy
100%
Other
-0%
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Diversification
MDST
Total weight of top 15 holdings out of 15
85.36%
RSPG
Total weight of top 15 holdings out of 15
70.32%
Top 15 holdings
Data as of March 31, 2026
MDST
ENBRIDGE
8.66%
ENERGY TRANSFER LP UNITS
8.65%
WILLIAMS
8.28%
ENTERPRISE PRODUCTS PARTNERS UNT
6.77%
DT MIDSTREAM INC
5.90%
KINDER MORGAN
5.81%
CHENIERE ENERGY
5.25%
ONEOK
4.93%
ANTERO MIDSTREAM CORPORATION
4.66%
TC ENERGY CORP
4.63%
MPLX COMMON UNITS
4.52%
PEMBINA PIPELINE
4.51%
PLAINS GP HOLDINGS
4.38%
TARGA RESOURCS
4.32%
HESS MIDSTREAM PARTNERS LP
4.09%
RSPG
APA CORPORATION
5.53%
OCCIDENTAL U
4.83%
COTERRA ENERGY
4.76%
DEVON ENERGY
4.71%
CONOCOPHILLIPS
4.70%
DIAMONDBACK ENERGY
4.69%
EOG RESOURCES
4.63%
EXXON
4.63%
HALLIBURTON
4.62%
MARATHON PETROLEUM
4.56%
PHILLIPS 66
4.56%
SCHLUMBERGER
4.56%
CHEVRON TEXACO
4.52%
VALERO ENERGY
4.52%
ONEOK
4.50%
Frequently asked questions about MDST and RSPG
How have the MDST and RSPG ETFs performed in 2026?
As of April 27, 2026, MDST is up 10.8% year-to-date (YTD), while RSPG has returned 33.18%. That puts RSPG better performer ahead so far this year.
Which ETF is attracting more investor money: MDST or RSPG?
Year-to-date, the MDST ETF saw +$47M in flows, compared to +$35M for RSPG.
Which ETF is more volatile: MDST or RSPG?
Over the past year, MDST had a volatility of 11.28%, while RSPG experienced 21.1%.
Which ETF is bigger: MDST or RSPG?
As of April 27, 2026, MDST holds $233.44 M in assets under management (AUM), while RSPG manages $609.82 M.
What sectors do the MDST and RSPG ETFs invest in?
MDST leans toward sectors like Energy. Meanwhile, RSPG focuses on Energy.
What are the top holdings of the MDST ETF and RSPG ETF?
MDST top holdings include ENBRIDGE, ENERGY TRANSFER LP UNITS and WILLIAMS. RSPG holds in its top three: APA CORPORATION, OCCIDENTAL U and COTERRA ENERGY.
Which ETF is more diversified: MDST or RSPG?
MDST holds 20 securities with 85.36% of its assets in the top 15. RSPG has 22 securities and a top 15 weight of 70.32%.
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Latest news about MDST & RSPG
Westwood Launches BFRE ETF: A New Approach to Global Equity Investing
March 27, 2025
MDST
Crude Oil ETFs Surge Despite Falling Oil Prices
June 3, 2024
RSPG
Energy Sector Plummets on Fed Comments and Crude Oil Stocks
May 27, 2024
RSPG
Tony's ETF Buyers Guide: Equal-Weight ETFs
May 14, 2024
RSPG
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