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FXUvsIDUETF Comparison
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 11.13% year-to-date (YTD) with -$1.06B in YTD flows. IDU performs worse with 9.62% YTD performance, and -$296M 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.
FXU vs IDU performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FXU IDU | +2.21%+0.84% | +11.73%+9.11% | +11.13%+9.62% | +28.98%+22.54% | +70.73%+58.70% | +92.99%+70.79% |
| Flows | FXU IDU | +$95K+$41M | -$1.02B-$394M | -$1.06B-$296M | +$213M-$91M | +$185M+$101M | +$342M+$236M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FXU IDU | +12.88%+14.03% | +14.78%+14.89% | +15.81%+15.27% | +16.65%+16.39% |
| Max drawdown | FXU IDU | -2.69%-3.18% | -8.51%-8.38% | -17.58%-17.26% | -21.82%-24.11% |
| Max drawdown duration | FXU IDU | 11d12d | 26d120d | 368d337d | 604d610d |
FXU | IDU | |
Last sale 3/13/2026 at 1:30 PM | $50.51 | $118.72 |
| Previous close 03/12/2026 | $49.98 | $117.69 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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FXU | IDU | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
FXU | IDU | |
|---|---|---|
| Last price | $50.51 | $118.72 |
| 1D performance | +1.06% | +0.88% |
| AuM | $852.49 M | $1.50 B |
| E/R | 0.61% | 0.38% |
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 |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the FXU and IDU ETFs performed in 2026?
As of March 12, 2026, FXU is up 11.13% year-to-date (YTD), while IDU has returned 9.62%. 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 -$296M for IDU.
Which ETF is more volatile: FXU or IDU?
Over the past year, FXU had a volatility of 14.78%, while IDU experienced 14.89%.
Which ETF is bigger: FXU or IDU?
As of March 12, 2026, FXU holds $852.49 M in assets under management (AUM), while IDU manages $1.50 B.
What sectors do the FXU and IDU ETFs invest in?
FXU leans toward sectors like Utilities. Meanwhile, IDU focuses on Utilities and Industrials.
What are the top holdings of the FXU ETF and IDU ETF?
FXU top holdings include CONSOLIDATED EDISON, UGI and NFG. 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 56.87% of its assets in the top 15. IDU has 45 securities and a top 15 weight of 66.43%.
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