PSCvsIWMWETF Comparison
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Principal U.S. Small-Cap ETF (PSC) belongs to the US Multi-Factor segment. iShares Russell 2000 BuyWrite ETF (IWMW) is part of the Options Strategies segment. Both ETFs have the same top 3 sector exposures: Finance, Healthcare and Technology. PSC is less expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.39% for IWMW. PSC is up 18.26% year-to-date (YTD) with +$886M in YTD flows. IWMW performs worse with 13.32% YTD performance, and +$24M in YTD flows. Run a side-by-side ETF comparison of PSC and IWMW 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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PSC vs IWMW performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/14/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PSC IWMW | -3.91%-3.71% | +0.64%+2.70% | +18.26%+13.32% | +21.08%+15.92% | +64.15%n/a | +59.33%n/a |
| Flows | PSC IWMW | +$369M-$821K | +$494M+$7M | +$886M+$24M | +$1.43B+$31M | +$1.90B- | +$700M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PSC IWMW | +12.17%+9.84% | +16.97%+12.37% | +19.55%n/a | +20.55%n/a |
| Max drawdown | PSC IWMW | -4.31%-3.79% | -9.87%-6.92% | -23.69%n/a | -25.73%n/a |
| Max drawdown duration | PSC IWMW | 29d29d | 84d62d | 284dn/a | 844dn/a |
Trading data
PSC | IWMW | |
Last sale 9/15/2026 at 1:30 PM | $67.59 | $38.25 |
| Previous close 09/14/2026 | $68.02 | $38.55 |
| Consolidated volume 09/14/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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PSC
is actively managed and doesn’t replicate an indexPSC | IWMW | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/15/2026 at 1:30 PM
Live
Closed
PSC | IWMW | |
|---|---|---|
| Last price | $67.59 | $38.25 |
| 1D performance | -0.63% | -0.78% |
| AuM | $2.73 B | $57.88 M |
| E/R | 0.38% | 0.39% |
Characteristics
PSC | IWMW | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Principal Global Investors | iShares |
| Benchmark | - | Cboe FTSE Russell IWM 2% OTM BuyWrite Index |
| N° of holdings | 490 | 1945 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 21, 2016 | March 14, 2024 |
| ESG | No | No |
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Exposure
Countries
PSC
USA
92.8%
Other
7.2%
IWMW
USA
96.06%
Other
3.94%
Sectors
PSC
Finance
24.82%
Healthcare
19.79%
Technology
14.69%
Industrials
9.56%
Other
31.14%
IWMW
Finance
26.88%
Healthcare
20.29%
Technology
11.87%
Industrials
10.58%
Other
30.37%
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Diversification
PSC
Total weight of top 15 holdings out of 15
10.5%
IWMW
Total weight of top 15 holdings out of 15
5.1%
Top 15 holdings
Data as of July 31, 2026
PSC
Brinker International, Inc.
0.83%
Bread Financial Holdings, Inc.
0.76%
BrightSpring Health Services, Inc.
0.75%
Marex Group Ltd.
0.75%
WisdomTree, Inc.
0.74%
Zeta Global Holdings Corp.
0.72%
Freshworks, Inc.
0.72%
CareTrust REIT, Inc.
0.70%
10X Genomics, Inc.
0.69%
StoneX Group, Inc.
0.68%
Black Hills Corp.
0.68%
FirstCash Holdings, Inc.
0.64%
Moog, Inc.
0.63%
Portland General Electric Co.
0.61%
Krystal Biotech, Inc.
0.60%
IWMW
BlackRock Cash Funds - Treasury
0.61%
Moog, Inc.
0.39%
BrightSpring Health Services, Inc.
0.38%
Hut 8 Corp.
0.36%
UMB Financial Corp.
0.35%
Cytokinetics, Inc.
0.34%
ViaSat, Inc.
0.32%
Glaukos Corp.
0.31%
Krystal Biotech, Inc.
0.31%
CareTrust REIT, Inc.
0.30%
Old National Bancorp
0.30%
Brinker International, Inc.
0.29%
Crinetics Pharmaceuticals, Inc.
0.28%
HealthEquity, Inc.
0.28%
JFrog Ltd.
0.28%
Frequently asked questions about PSC and IWMW
How have the PSC and IWMW ETFs performed in 2026?
As of September 14, 2026, PSC is up 18.26% year-to-date (YTD), while IWMW has returned 13.32%. That puts PSC better performer ahead so far this year.
Which ETF is attracting more investor money: PSC or IWMW?
Year-to-date, the PSC ETF saw +$886M in flows, compared to +$24M for IWMW.
Which ETF is more volatile: PSC or IWMW?
Over the past year, PSC had a volatility of 16.97%, while IWMW experienced 12.37%.
Which ETF is bigger: PSC or IWMW?
As of September 14, 2026, PSC holds $2.73 B in assets under management (AUM), while IWMW manages $57.88 M.
What sectors do the PSC and IWMW ETFs invest in?
PSC leans toward sectors like Finance, Healthcare and Technology. Meanwhile, IWMW focuses on Finance, Healthcare and Technology.
What are the top holdings of the PSC ETF and IWMW ETF?
PSC top holdings include Brinker International, Inc., Bread Financial Holdings, Inc. and BrightSpring Health Services, Inc.. IWMW holds in its top three: BlackRock Cash Funds - Treasury, Moog, Inc. and BrightSpring Health Services, Inc..
Which ETF is more diversified: PSC or IWMW?
PSC holds 491 securities with 10.5% of its assets in the top 15. IWMW has 1957 securities and a top 15 weight of 5.1%.
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