IEZvsRSPGETF Comparison
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iShares U.S. Oil Equipment & Services ETF (IEZ) and Invesco S&P 500® Equal Weight Energy ETF (RSPG) belong to the same industry segment: US Energy. IEZ's top 3 sector exposures are Energy, Non-Energy Materials and Non-Corporate. In contrast, RSPG's top sector exposures are Energy and Finance. IEZ is less expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.4% for RSPG. IEZ is up 33.3% year-to-date (YTD) with +$193M in YTD flows. RSPG performs better with 53.4% YTD performance, and +$24M in YTD flows. Run a side-by-side ETF comparison of IEZ 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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IEZ vs RSPG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/23/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IEZ RSPG | -1.19%+8.80% | +1.00%+12.94% | +33.30%+53.40% | +37.06%+55.74% | +23.21%+67.03% | +93.02%+167.70% |
| Flows | IEZ RSPG | -$22M+$10M | -$22M+$40M | +$193M+$24M | +$202M+$34M | +$20M-$186M | +$237M-$14M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IEZ RSPG | +30.27%+22.72% | +29.14%+22.71% | +30.76%+23.27% | +35.46%+27.32% |
| Max drawdown | IEZ RSPG | -15.62%-7.84% | -20.27%-13.74% | -38.93%-23.04% | -40.22%-28.42% |
| Max drawdown duration | IEZ RSPG | 51d27d | 158d138d | 647d415d | 861d429d |
Trading data
IEZ | RSPG | |
Last sale 10/23/2026 at 1:30 PM | $27.58 | $120.33 |
| Previous close 10/22/2026 | $26.18 | $117.25 |
| Consolidated volume 10/22/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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IEZ | 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 10/23/2026 at 1:30 PM
Live
Closed
IEZ | RSPG | |
|---|---|---|
| Last price | $27.58 | $120.33 |
| 1D performance | +5.35% | +2.63% |
| AuM | $336.42 M | $678.64 M |
| E/R | 0.37% | 0.4% |
Characteristics
IEZ | RSPG | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Invesco |
| Benchmark | Dow Jones U.S. Select Oil Equipment & Services Index | S&P 500 Equal Weight Energy Plus Index |
| N° of holdings | 32 | 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
IEZ
USA
92.12%
Other
7.88%
RSPG
USA
100%
Other
0%
Sectors
IEZ
Energy
99.36%
Other
0.64%
RSPG
Energy
95.83%
Other
4.17%
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Diversification
IEZ
Total weight of top 15 holdings out of 15
86.07%
RSPG
Total weight of top 15 holdings out of 15
70.92%
Top 15 holdings
Data as of August 31, 2026
IEZ
SLB Ltd.
23.92%
Baker Hughes Co.
22.28%
TechnipFMC plc
4.94%
Halliburton Co.
4.10%
NOV, Inc.
3.80%
Weatherford International plc
3.53%
Transocean Ltd.
2.91%
Noble Corp. Plc
2.88%
Kodiak Gas Services, Inc.
2.86%
Valaris Ltd.
2.77%
Archrock, Inc.
2.75%
Oceaneering International, Inc.
2.57%
Cactus, Inc.
2.43%
Patterson-UTI Energy, Inc.
2.17%
Helmerich & Payne, Inc.
2.17%
RSPG
Marathon Petroleum Corp.
5.84%
Valero Energy Corp.
5.68%
Phillips 66
5.58%
APA Corp.
4.72%
Expand Energy Corp.
4.68%
TechnipFMC plc
4.61%
ConocoPhillips
4.57%
Targa Resources Corp.
4.48%
Chevron Corp.
4.45%
ONEOK, Inc.
4.42%
EQT Corp.
4.40%
ExxonMobil Holdings Corp.
4.39%
Occidental Petroleum Corp.
4.38%
EOG Resources, Inc.
4.36%
The Williams Cos., Inc.
4.34%
Frequently asked questions about IEZ and RSPG
How have the IEZ and RSPG ETFs performed in 2026?
As of October 23, 2026, IEZ is up 33.3% year-to-date (YTD), while RSPG has returned 53.4%. That puts RSPG better performer ahead so far this year.
Which ETF is attracting more investor money: IEZ or RSPG?
Year-to-date, the IEZ ETF saw +$193M in flows, compared to +$24M for RSPG.
Which ETF is more volatile: IEZ or RSPG?
Over the past year, IEZ had a volatility of 29.14%, while RSPG experienced 22.71%.
Which ETF is bigger: IEZ or RSPG?
As of October 23, 2026, IEZ holds $336.42 M in assets under management (AUM), while RSPG manages $678.64 M.
What sectors do the IEZ and RSPG ETFs invest in?
IEZ leans toward sectors like Energy. Meanwhile, RSPG focuses on Energy.
What are the top holdings of the IEZ ETF and RSPG ETF?
IEZ top holdings include SLB Ltd., Baker Hughes Co. and TechnipFMC plc. RSPG holds in its top three: Marathon Petroleum Corp., Valero Energy Corp. and Phillips 66.
Which ETF is more diversified: IEZ or RSPG?
IEZ holds 32 securities with 86.07% of its assets in the top 15. RSPG has 22 securities and a top 15 weight of 70.92%.
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Latest news about IEZ & RSPG
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
IEZ
RSPG
Tony's ETF Buyers Guide: Equal-Weight ETFs
May 14, 2024
RSPG
Oil Prices Fall After a Surprise Jump in U.S. Crude Stockpiles
January 16, 2024
IEZ
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