IEOvsRSPGETF Comparison
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iShares U.S. Oil & Gas Exploration & Production ETF (IEO) and Invesco S&P 500® Equal Weight Energy ETF (RSPG) belong to the same industry segment: US Energy. IEO's top 3 sector exposures are Energy, Finance and Non-Energy Materials. In contrast, RSPG's top sector exposures are Energy and Finance. IEO is less expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.4% for RSPG. IEO is up 58.29% year-to-date (YTD) with +$133M in YTD flows. RSPG performs worse with 48.6% YTD performance, and +$9M in YTD flows. Run a side-by-side ETF comparison of IEO 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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IEO vs RSPG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IEO RSPG | +5.61%+4.31% | +27.10%+16.85% | +58.29%+48.60% | +54.53%+55.28% | +50.35%+59.88% | +204.26%+215.20% |
| Flows | IEO RSPG | +$140M+$3M | +$122M+$515K | +$133M+$9M | +$88M+$11M | -$239M-$132M | +$111M+$63M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IEO RSPG | +25.62%+21.06% | +26.69%+22.53% | +26.17%+23.32% | +30.07%+27.48% |
| Max drawdown | IEO RSPG | -5.94%-4.40% | -16.31%-13.74% | -31.40%-23.04% | -31.40%-28.42% |
| Max drawdown duration | IEO RSPG | 8d12d | 134d138d | 683d415d | 683d429d |
Trading data
IEO | RSPG | |
Last sale 9/17/2026 at 4:46 PM | $140.42 | $114.00 |
| Previous close 09/16/2026 | $139.63 | $113.35 |
| Consolidated volume 09/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IEO | RSPG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/17/2026 at 4:46 PM
Live
Closed
IEO | RSPG | |
|---|---|---|
| Last price | $140.42 | $114.00 |
| 1D performance | +0.57% | +0.57% |
| AuM | $774.48 M | $645.16 M |
| E/R | 0.37% | 0.4% |
Characteristics
IEO | RSPG | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Invesco |
| Benchmark | Dow Jones U.S. Select Oil Exploration & Production Index | S&P 500 Equal Weight Energy Plus Index |
| N° of holdings | 47 | 22 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 1, 2006 | November 1, 2006 |
| ESG | No | No |
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Exposure
Countries
IEO
USA
99.95%
Other
0.05%
RSPG
USA
100%
Other
0%
Sectors
IEO
Energy
93.47%
Other
6.53%
RSPG
Energy
95.3%
Other
4.7%
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Diversification
IEO
Total weight of top 15 holdings out of 15
82.69%
RSPG
Total weight of top 15 holdings out of 15
70.79%
Top 15 holdings
Data as of July 31, 2026
IEO
ConocoPhillips
17.42%
Valero Energy Corp.
11.12%
Marathon Petroleum Corp.
11.02%
EOG Resources, Inc.
6.49%
Phillips 66
4.90%
Diamondback Energy, Inc.
4.29%
EQT Corp.
4.23%
Devon Energy Corp.
4.00%
Texas Pacific Land Corp.
3.79%
Expand Energy Corp.
3.67%
Ovintiv, Inc.
2.81%
Permian Resources Corp.
2.74%
HF Sinclair Corp.
2.35%
APA Corp.
2.13%
Antero Resources Corp.
1.72%
RSPG
Marathon Petroleum Corp.
5.30%
Valero Energy Corp.
5.28%
Phillips 66
5.15%
Expand Energy Corp.
4.72%
ExxonMobil Holdings Corp.
4.71%
EOG Resources, Inc.
4.71%
Texas Pacific Land Corp.
4.70%
TechnipFMC plc
4.63%
Diamondback Energy, Inc.
4.58%
Chevron Corp.
4.57%
Kinder Morgan, Inc.
4.53%
EQT Corp.
4.52%
ONEOK, Inc.
4.50%
ConocoPhillips
4.45%
Occidental Petroleum Corp.
4.44%
Frequently asked questions about IEO and RSPG
How have the IEO and RSPG ETFs performed in 2026?
As of September 16, 2026, IEO is up 58.29% year-to-date (YTD), while RSPG has returned 48.6%. That puts IEO better performer ahead so far this year.
Which ETF is attracting more investor money: IEO or RSPG?
Year-to-date, the IEO ETF saw +$133M in flows, compared to +$9M for RSPG.
Which ETF is more volatile: IEO or RSPG?
Over the past year, IEO had a volatility of 26.69%, while RSPG experienced 22.53%.
Which ETF is bigger: IEO or RSPG?
As of September 16, 2026, IEO holds $774.48 M in assets under management (AUM), while RSPG manages $645.16 M.
What sectors do the IEO and RSPG ETFs invest in?
IEO leans toward sectors like Energy. Meanwhile, RSPG focuses on Energy.
What are the top holdings of the IEO ETF and RSPG ETF?
IEO top holdings include ConocoPhillips, Valero Energy Corp. and Marathon Petroleum Corp.. RSPG holds in its top three: Marathon Petroleum Corp., Valero Energy Corp. and Phillips 66.
Which ETF is more diversified: IEO or RSPG?
IEO holds 47 securities with 82.69% of its assets in the top 15. RSPG has 22 securities and a top 15 weight of 70.79%.
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Latest news about IEO & RSPG
Crude and Natural Gas Markets on the Move
August 12, 2024
IEO
Crude Oil ETFs Surge Despite Falling Oil Prices
June 3, 2024
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Energy Sector Plummets on Fed Comments and Crude Oil Stocks
May 27, 2024
RSPG
War in the Middle East: ETF Movers & Shakers
May 15, 2024
IEO
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Tony's ETF Buyers Guide: Equal-Weight ETFs
May 14, 2024
RSPG
Tony's ETF Buyers Guide: Equal-Weight ETFs
May 14, 2024
RSPG
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