FCGvsIEOETF Comparison
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First Trust Natural Gas ETF (FCG) and iShares U.S. Oil & Gas Exploration & Production ETF (IEO) belong to the same industry segment: US Energy. FCG's top 1 sector exposures are Energy. In contrast, IEO's top sector exposures are Energy, Finance and Non-Energy Materials. FCG is more expensive with a Total Expense Ratio (TER) of 0.57%, versus 0.37% for IEO. FCG is up 34.96% year-to-date (YTD) with +$95M in YTD flows. IEO performs better with 68.1% YTD performance, and +$213M in YTD flows. Run a side-by-side ETF comparison of FCG 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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FCG vs IEO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/22/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FCG IEO | +6.54%+11.68% | +6.84%+18.58% | +34.96%+68.10% | +43.61%+71.46% | +27.29%+61.06% | +92.73%+161.93% |
| Flows | FCG IEO | -$23M+$80M | +$2M+$214M | +$95M+$213M | +$182M+$181M | +$63M-$226M | -$29M+$186M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FCG IEO | +27.71%+26.70% | +27.42%+26.84% | +27.57%+26.10% | +32.45%+29.94% |
| Max drawdown | FCG IEO | -11.69%-8.93% | -19.59%-16.31% | -29.46%-31.40% | -33.27%-31.40% |
| Max drawdown duration | FCG IEO | 37d22d | 207d134d | 679d683d | 1353d683d |
Trading data
FCG | IEO | |
Last sale 10/23/2026 at 1:30 PM | $32.12 | $150.95 |
| Previous close 10/22/2026 | $31.05 | $148.28 |
| 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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FCG | 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 10/23/2026 at 1:30 PM
Live
Closed
FCG | IEO | |
|---|---|---|
| Last price | $32.12 | $150.95 |
| 1D performance | +3.45% | +1.80% |
| AuM | $683.62 M | $904.04 M |
| E/R | 0.57% | 0.37% |
Characteristics
FCG | IEO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | First Trust | iShares |
| Benchmark | ISE-Revere Natural Gas Index | Dow Jones U.S. Select Oil Exploration & Production Index |
| N° of holdings | 42 | 47 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 8, 2007 | May 1, 2006 |
| ESG | No | No |
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Exposure
Countries
FCG
USA
91.8%
Other
8.2%
IEO
USA
99.99%
Other
0.01%
Sectors
FCG
Energy
99.78%
Other
0.22%
IEO
Energy
94.16%
Other
5.84%
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Diversification
FCG
Total weight of top 15 holdings out of 15
58.43%
IEO
Total weight of top 15 holdings out of 15
83.07%
Top 15 holdings
Data as of August 31, 2026
FCG
ConocoPhillips
4.75%
Western Midstream Partners LP
4.61%
Hess Midstream LP
4.32%
EOG Resources, Inc.
4.31%
Occidental Petroleum Corp.
4.07%
Permian Resources Corp.
4.06%
Devon Energy Corp.
3.95%
Diamondback Energy, Inc.
3.90%
Ovintiv, Inc.
3.78%
APA Corp.
3.75%
Expand Energy Corp.
3.63%
EQT Corp.
3.52%
Antero Resources Corp.
3.32%
SM Energy Co.
3.32%
Range Resources Corp.
3.14%
IEO
ConocoPhillips
17.69%
Marathon Petroleum Corp.
11.94%
Valero Energy Corp.
11.68%
EOG Resources, Inc.
5.90%
Phillips 66
5.23%
Devon Energy Corp.
4.01%
EQT Corp.
3.97%
Diamondback Energy, Inc.
3.93%
Expand Energy Corp.
3.55%
Texas Pacific Land Corp.
3.28%
Permian Resources Corp.
2.77%
Ovintiv, Inc.
2.73%
HF Sinclair Corp.
2.36%
APA Corp.
2.31%
Antero Resources Corp.
1.71%
Frequently asked questions about FCG and IEO
How have the FCG and IEO ETFs performed in 2026?
As of October 22, 2026, FCG is up 34.96% year-to-date (YTD), while IEO has returned 68.1%. That puts IEO better performer ahead so far this year.
Which ETF is attracting more investor money: FCG or IEO?
Year-to-date, the FCG ETF saw +$95M in flows, compared to +$213M for IEO.
Which ETF is more volatile: FCG or IEO?
Over the past year, FCG had a volatility of 27.42%, while IEO experienced 26.84%.
Which ETF is bigger: FCG or IEO?
As of October 22, 2026, FCG holds $683.62 M in assets under management (AUM), while IEO manages $904.04 M.
What sectors do the FCG and IEO ETFs invest in?
FCG leans toward sectors like Energy. Meanwhile, IEO focuses on Energy.
What are the top holdings of the FCG ETF and IEO ETF?
FCG top holdings include ConocoPhillips, Western Midstream Partners LP and Hess Midstream LP. IEO holds in its top three: ConocoPhillips, Marathon Petroleum Corp. and Valero Energy Corp..
Which ETF is more diversified: FCG or IEO?
FCG holds 42 securities with 58.43% of its assets in the top 15. IEO has 47 securities and a top 15 weight of 83.07%.
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Latest news about FCG & IEO
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