RSPGvsIEOETF Comparison
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Invesco S&P 500® Equal Weight Energy ETF (RSPG) and iShares U.S. Oil & Gas Exploration & Production ETF (IEO) belong to the same industry segment: US Energy. Both ETFs have the same top 3 sector exposures: and Energy. RSPG is more expensive with a Total Expense Ratio (TER) of 0.4%, versus 0.38% for IEO. RSPG is up 33.18% year-to-date (YTD) with +$35M in YTD flows. IEO performs worse with 31.3% YTD performance, and +$52M in YTD flows. Run a side-by-side ETF comparison of RSPG and IEO 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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RSPG vs IEO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | RSPG IEO | -4.72%-9.54% | +19.99%+23.30% | +33.18%+31.30% | +49.76%+42.35% | +63.26%+49.80% | +193.94%+180.43% |
| Flows | RSPG IEO | -$16M-$4M | -$4M+$62M | +$35M+$52M | -$12M-$45M | -$127M-$242M | +$90M-$27M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | RSPG IEO | +22.85%+28.81% | +21.10%+24.41% | +23.00%+25.47% | +28.32%+30.66% |
| Max drawdown | RSPG IEO | -12.15%-14.30% | -12.15%-14.30% | -23.04%-31.40% | -28.42%-31.40% |
| Max drawdown duration | RSPG IEO | 30d29d | 30d29d | 415d683d | 429d683d |
Trading data
RSPG | IEO | |
Last sale 4/29/2026 at 1:30 PM | $107.85 | $122.36 |
| Previous close 04/28/2026 | $105.50 | $118.38 |
| 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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RSPG | IEO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 4/29/2026 at 1:30 PM
Live
Closed
RSPG | IEO | |
|---|---|---|
| Last price | $107.85 | $122.36 |
| 1D performance | +2.23% | +3.36% |
| AuM | $609.82 M | $589.22 M |
| E/R | 0.4% | 0.38% |
Characteristics
RSPG | IEO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | Invesco | iShares |
| Benchmark | S&P 500 Equal Weight Energy Plus Index | Dow Jones U.S. Select Oil Exploration & Production Index |
| N° of holdings | 22 | 40 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 1, 2006 | May 1, 2006 |
| ESG | No | No |
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Exposure
Countries
RSPG
USA
95.44%
Other
4.56%
IEO
USA
100.1%
Other
-0.1%
Sectors
RSPG
Energy
100%
Other
-0%
IEO
Energy
94.46%
Other
5.54%
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Diversification
RSPG
Total weight of top 15 holdings out of 15
70.32%
IEO
Total weight of top 15 holdings out of 15
82.94%
Top 15 holdings
Data as of March 31, 2026
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%
IEO
CONOCOPHILLIPS
19.46%
EOG RESOURCES
9.44%
VALERO ENERGY
9.07%
PHILLIPS 66
7.29%
DIAMONDBACK ENERGY
4.81%
DEVON ENERGY
4.47%
MARATHON PETROLEUM
4.43%
EQT
4.11%
COTERRA ENERGY
3.82%
CHESAPEAKE ENERGY
3.75%
TEXAS PACIFIC LAND CORP
3.72%
OVINTIV INC
2.36%
US71424F1057
2.26%
APA CORPORATION
2.16%
ANTERO RESOURCES
1.78%
Frequently asked questions about RSPG and IEO
How have the RSPG and IEO ETFs performed in 2026?
As of April 28, 2026, RSPG is up 33.18% year-to-date (YTD), while IEO has returned 31.3%. That puts RSPG better performer ahead so far this year.
Which ETF is attracting more investor money: RSPG or IEO?
Year-to-date, the RSPG ETF saw +$35M in flows, compared to +$52M for IEO.
Which ETF is more volatile: RSPG or IEO?
Over the past year, RSPG had a volatility of 21.1%, while IEO experienced 24.41%.
Which ETF is bigger: RSPG or IEO?
As of April 28, 2026, RSPG holds $609.82 M in assets under management (AUM), while IEO manages $589.22 M.
What sectors do the RSPG and IEO ETFs invest in?
RSPG leans toward sectors like Energy. Meanwhile, IEO focuses on Energy.
What are the top holdings of the RSPG ETF and IEO ETF?
RSPG top holdings include APA CORPORATION, OCCIDENTAL U and COTERRA ENERGY. IEO holds in its top three: CONOCOPHILLIPS, EOG RESOURCES and VALERO ENERGY.
Which ETF is more diversified: RSPG or IEO?
RSPG holds 22 securities with 70.32% of its assets in the top 15. IEO has 47 securities and a top 15 weight of 82.94%.
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Latest news about RSPG & IEO
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