FXUvsIDUETF Comparison
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First Trust Utilities AlphaDEX ETF (FXU) and iShares U.S. Utilities ETF (IDU) belong to the same industry segment: US Utilities. Both ETFs have the same top 3 sector exposures: Utilities and Industrials. FXU is more expensive with a Total Expense Ratio (TER) of 0.61%, versus 0.38% for IDU. FXU is up 8.27% year-to-date (YTD) with -$1.06B in YTD flows. IDU performs worse with 4.53% YTD performance, and -$295M in YTD flows. Run a side-by-side ETF comparison of FXU and IDU 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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FXU vs IDU performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 06/12/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FXU IDU | +0.52%-1.24% | -2.57%-3.81% | +8.27%+4.53% | +16.63%+9.48% | +62.66%+47.52% | +73.36%+54.93% |
| Flows | FXU IDU | -$36M+$29M | +$7M+$7M | -$1.06B-$295M | -$1.01B-$177M | +$197M+$86M | +$352M+$237M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FXU IDU | +15.94%+17.48% | +13.30%+13.99% | +15.78%+15.47% | +16.77%+16.61% |
| Max drawdown | FXU IDU | -8.67%-8.43% | -8.67%-9.16% | -17.47%-16.72% | -21.82%-24.11% |
| Max drawdown duration | FXU IDU | 64d64d | 64d103d | 275d247d | 604d610d |
Trading data
FXU | IDU | |
Last sale 6/15/2026 at 2:20 PM | $48.58 | $112.02 |
| Previous close 06/12/2026 | $48.47 | $112.58 |
| Consolidated volume 06/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of May 29, 2026
1-year trailing difference
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FXU | IDU | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 6/15/2026 at 2:20 PM
Live
Closed
FXU | IDU | |
|---|---|---|
| Last price | $48.58 | $112.02 |
| 1D performance | +0.23% | -0.50% |
| AuM | $831.53 M | $1.42 B |
| E/R | 0.61% | 0.38% |
Characteristics
FXU | IDU | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | First Trust | iShares |
| Benchmark | StrataQuant Utilities Index | Russell 1000 Utilities RIC 22.5/45 Capped Index |
| N° of holdings | 40 | 42 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 8, 2007 | June 12, 2000 |
| ESG | No | No |
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Exposure
Countries
FXU
USA
99.85%
Other
0.15%
IDU
USA
99.69%
Other
0.31%
Sectors
FXU
Utilities
92.16%
Industrials
7.7%
Other
0.15%
IDU
Utilities
89.63%
Industrials
8.9%
Other
1.46%
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Diversification
FXU
Total weight of top 15 holdings out of 15
56.24%
IDU
Total weight of top 15 holdings out of 15
66.45%
Top 15 holdings
Data as of April 30, 2026
FXU
UGI
4.32%
PINNACLE WEST
4.27%
EVERSOURCE ENERGY
4.13%
CONSOLIDATED EDISON
4.04%
EXELON CORP
4.00%
NFG
3.96%
EDISON INTERNATIONAL
3.87%
PG&E
3.86%
MDU RESOURCES GROUP
3.54%
NRG ENERGY
3.53%
AES
3.43%
DOMINION ENERGY
3.39%
EVERGY
3.33%
OGE ENERGY
3.31%
ESSENTIAL UTILITIES INC
3.28%
IDU
NEXTERA ENERGY
12.22%
SOUTHERN
6.38%
DUKE ENERGY
6.03%
CONSTELLATION ENERGY CORP
5.84%
WASTE MANAGEMENT
5.15%
AMERICAN ELECTRIC POWER
4.39%
SEMPRA ENERGY
3.71%
DOMINION ENERGY
3.29%
VISTRA CORP
3.20%
ENTERGY
3.15%
XCEL ENERGY
2.94%
EXELON CORP
2.78%
REPUBLIC SVCS
2.54%
PUBLIC SRVCE ENT
2.44%
CONSOLIDATED EDISON
2.40%
Frequently asked questions about FXU and IDU
How have the FXU and IDU ETFs performed in 2026?
As of June 12, 2026, FXU is up 8.27% year-to-date (YTD), while IDU has returned 4.53%. That puts FXU better performer ahead so far this year.
Which ETF is attracting more investor money: FXU or IDU?
Year-to-date, the FXU ETF saw -$1.06B in flows, compared to -$295M for IDU.
Which ETF is more volatile: FXU or IDU?
Over the past year, FXU had a volatility of 13.3%, while IDU experienced 13.99%.
Which ETF is bigger: FXU or IDU?
As of June 12, 2026, FXU holds $831.53 M in assets under management (AUM), while IDU manages $1.42 B.
What sectors do the FXU and IDU ETFs invest in?
FXU leans toward sectors like Utilities and Industrials. Meanwhile, IDU focuses on Utilities and Industrials.
What are the top holdings of the FXU ETF and IDU ETF?
FXU top holdings include UGI, PINNACLE WEST and EVERSOURCE ENERGY. IDU holds in its top three: NEXTERA ENERGY, SOUTHERN and DUKE ENERGY.
Which ETF is more diversified: FXU or IDU?
FXU holds 40 securities with 56.24% of its assets in the top 15. IDU has 45 securities and a top 15 weight of 66.45%.
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Latest news about FXU & IDU
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