IYMvsPYZETF Comparison
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iShares U.S. Basic Materials ETF (IYM) and Invesco DWA Basic Materials Momentum ETF (PYZ) belong to the same industry segment: US Materials. IYM's top 3 sector exposures are Non-Energy Materials and Industrials. In contrast, PYZ's top sector exposures are Non-Energy Materials IYM is less expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.78% for PYZ. IYM is up 14.83% year-to-date (YTD) with +$403M in YTD flows. PYZ performs worse with 7.69% YTD performance, and -$10M in YTD flows. Run a side-by-side ETF comparison of IYM and PYZ 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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IYM vs PYZ performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYM PYZ | -2.00%-4.30% | -2.76%-7.71% | +14.83%+7.69% | +26.80%+24.35% | +32.98%+35.48% | +46.00%+42.30% |
| Flows | IYM PYZ | -$224M-$2M | -$324M-$24M | +$403M-$10M | +$470M+$6M | +$180M-$96M | -$119M-$137M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYM PYZ | +22.38%+24.95% | +19.91%+26.64% | +18.46%+22.89% | +20.49%+25.34% |
| Max drawdown | IYM PYZ | -8.61%-11.91% | -13.67%-17.60% | -23.58%-26.82% | -29.91%-33.01% |
| Max drawdown duration | IYM PYZ | 45d59d | 102d91d | 352d233d | 709d1184d |
Trading data
IYM | PYZ | |
Last sale 7/31/2026 at 1:30 PM | $175.70 | $118.28 |
| Previous close 07/30/2026 | $179.22 | $119.32 |
| Consolidated volume 07/30/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of July 31, 2026
1-year trailing difference
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IYM | PYZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/31/2026 at 1:30 PM
Live
Closed
IYM | PYZ | |
|---|---|---|
| Last price | $175.70 | $118.28 |
| 1D performance | -1.96% | -0.87% |
| AuM | $1.16 B | $72.14 M |
| E/R | 0.38% | 0.78% |
Characteristics
IYM | PYZ | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Invesco |
| Benchmark | Russell 1000 Basic Materials RIC 22.5/45 Capped Gross Index | Dorsey Wright Basic Materials Technical Leaders Index |
| N° of holdings | 39 | 42 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 12, 2000 | October 12, 2006 |
| ESG | No | No |
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Exposure
Countries
IYM
USA
76.91%
United Kingdom
22.99%
Other
0.1%
PYZ
USA
93.31%
Other
6.69%
Sectors
IYM
Non-Energy Materi.
94.72%
Other
5.28%
PYZ
Non-Energy Materi.
97.02%
Other
2.98%
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Diversification
IYM
Total weight of top 15 holdings out of 15
77.3%
PYZ
Total weight of top 15 holdings out of 15
56.73%
Top 15 holdings
Data as of June 30, 2026
IYM
Linde Plc
21.60%
Newmont Corp.
9.05%
Freeport-McMoRan, Inc.
8.18%
Ecolab, Inc.
6.32%
Air Products & Chemicals, Inc.
4.87%
Fastenal Co.
4.41%
Nucor Corp.
3.84%
Anglogold Ashanti Plc
3.39%
Carpenter Technology Corp.
3.02%
Steel Dynamics, Inc.
2.79%
International Flavors & Fragrances, Inc.
2.07%
RBC Bearings, Inc.
2.05%
International Paper Co.
2.04%
Reliance, Inc.
1.94%
Royal Gold, Inc.
1.73%
PYZ
Carpenter Technology Corp.
9.05%
ATI, Inc.
6.36%
CF Industries Holdings, Inc.
4.60%
Steel Dynamics, Inc.
4.03%
Corteva, Inc.
3.58%
Alcoa Corp.
3.38%
Freeport-McMoRan, Inc.
3.19%
Solstice Advanced Materials, Inc.
3.09%
USA Rare Earth, Inc.
3.07%
Element Solutions, Inc.
3.01%
US26614N2018
2.98%
Hecla Mining Co.
2.73%
Coeur Mining, Inc.
2.65%
Newmont Corp.
2.62%
Linde Plc
2.38%
Frequently asked questions about IYM and PYZ
How have the IYM and PYZ ETFs performed in 2026?
As of July 31, 2026, IYM is up 14.83% year-to-date (YTD), while PYZ has returned 7.69%. That puts IYM better performer ahead so far this year.
Which ETF is attracting more investor money: IYM or PYZ?
Year-to-date, the IYM ETF saw +$403M in flows, compared to -$10M for PYZ.
Which ETF is more volatile: IYM or PYZ?
Over the past year, IYM had a volatility of 19.91%, while PYZ experienced 26.64%.
Which ETF is bigger: IYM or PYZ?
As of July 31, 2026, IYM holds $1.16 B in assets under management (AUM), while PYZ manages $72.14 M.
What sectors do the IYM and PYZ ETFs invest in?
IYM leans toward sectors like Non-Energy Materials. Meanwhile, PYZ focuses on Non-Energy Materials.
What are the top holdings of the IYM ETF and PYZ ETF?
IYM top holdings include Linde Plc, Newmont Corp. and Freeport-McMoRan, Inc.. PYZ holds in its top three: Carpenter Technology Corp., ATI, Inc. and CF Industries Holdings, Inc..
Which ETF is more diversified: IYM or PYZ?
IYM holds 39 securities with 77.3% of its assets in the top 15. PYZ has 42 securities and a top 15 weight of 56.73%.
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