ONEVvsIWSETF Comparison
ETF 1
ONEV
State Street SPDR Russell 1000 Low Volatility Focus ETF
This fund is part of
US Low Volatility
+1.12%
VS
State Street SPDR Russell 1000 Low Volatility Focus ETF (ONEV) belongs to the US Low Volatility segment. iShares Russell Mid-Cap Value ETF (IWS) is part of the US Mid Cap Value segment. ONEV's top 3 sector exposures are Finance, Industrials and Healthcare. In contrast, IWS's top sector exposures are Finance, Industrials and Technology. ONEV is less expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.23% for IWS. ONEV is up 14.06% year-to-date (YTD) with -$300M in YTD flows. IWS performs better with 20.39% YTD performance, and -$1.28B in YTD flows. Run a side-by-side ETF comparison of ONEV and IWS 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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ONEV vs IWS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/04/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ONEV IWS | +3.33%+1.60% | +9.76%+8.52% | +14.06%+20.39% | +18.10%+27.34% | +44.24%+57.16% | +55.52%+57.87% |
| Flows | ONEV IWS | -$51M-$272M | -$220M-$353M | -$300M-$1.28B | -$342M-$1.06B | -$416M-$3.01B | -$449M-$3.72B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ONEV IWS | +12.29%+12.94% | +11.62%+13.42% | +12.88%+15.41% | +14.77%+17.28% |
| Max drawdown | ONEV IWS | -2.17%-2.87% | -7.77%-7.51% | -14.90%-20.45% | -18.48%-21.32% |
| Max drawdown duration | ONEV IWS | 7d16d | 98d44d | 254d269d | 566d785d |
Trading data
ONEV | IWS | |
Last sale 8/4/2026 at 7:59 PM | $150.36 | $170.80 |
| Previous close 08/04/2026 | $148.98 | $171.21 |
| Consolidated volume 08/04/2026 | ||
| 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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ONEV | IWS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 8/4/2026 at 7:59 PM
Live
Closed
ONEV | IWS | |
|---|---|---|
| Last price | $150.36 | $170.80 |
| 1D performance | +0.92% | -0.24% |
| AuM | $306.79 M | $15.71 B |
| E/R | 0.2% | 0.23% |
Characteristics
ONEV | IWS | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | Russell 1000 Low Volatility Focused Factor Index | Russell Midcap Value Index |
| N° of holdings | 440 | 706 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 2, 2015 | July 17, 2001 |
| ESG | No | No |
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Exposure
Countries
ONEV
USA
93.93%
Other
6.07%
IWS
USA
95.3%
Other
4.7%
Sectors
ONEV
Finance
26.02%
Industrials
14.02%
Healthcare
12.09%
Consumer Non-Cycl.
8.87%
Utilities
7.99%
Other
31.01%
IWS
Finance
25.73%
Industrials
13.82%
Technology
10.69%
Healthcare
10.06%
Non-Energy Materi.
7.93%
Utilities
7.14%
Other
24.63%
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Diversification
ONEV
Total weight of top 15 holdings out of 15
12.52%
IWS
Total weight of top 15 holdings out of 15
8.62%
Top 15 holdings
Data as of June 30, 2026
ONEV
The Allstate Corp.
1.46%
Progressive Corp.
1.23%
McKesson Corp.
0.95%
Arch Capital Group Ltd.
0.92%
The Cigna Group
0.87%
Cincinnati Financial Corp.
0.82%
The Travelers Cos., Inc.
0.79%
The Hartford Insurance Group, Inc.
0.75%
The Kroger Co.
0.74%
Comcast Corp.
0.73%
T. Rowe Price Group, Inc.
0.70%
Simon Property Group, Inc.
0.69%
Elevance Health, Inc.
0.64%
Marsh & McLennan Cos., Inc.
0.63%
Archer-Daniels-Midland Co.
0.60%
IWS
Warner Bros. Discovery, Inc.
0.63%
Phillips 66
0.62%
Digital Realty Trust, Inc.
0.62%
Kinder Morgan, Inc.
0.61%
The Allstate Corp.
0.60%
Hewlett Packard Enterprise Co.
0.59%
Flex Ltd.
0.58%
Realty Income Corp.
0.57%
Delta Air Lines, Inc.
0.56%
Corteva, Inc.
0.56%
AMETEK, Inc.
0.54%
Coherent Corp.
0.54%
Baker Hughes Co.
0.54%
ONEOK, Inc.
0.54%
United Rentals, Inc.
0.53%
Frequently asked questions about ONEV and IWS
How have the ONEV and IWS ETFs performed in 2026?
As of August 4, 2026, ONEV is up 14.06% year-to-date (YTD), while IWS has returned 20.39%. That puts IWS better performer ahead so far this year.
Which ETF is attracting more investor money: ONEV or IWS?
Year-to-date, the ONEV ETF saw -$300M in flows, compared to -$1.28B for IWS.
Which ETF is more volatile: ONEV or IWS?
Over the past year, ONEV had a volatility of 11.62%, while IWS experienced 13.42%.
Which ETF is bigger: ONEV or IWS?
As of August 4, 2026, ONEV holds $306.79 M in assets under management (AUM), while IWS manages $15.71 B.
What sectors do the ONEV and IWS ETFs invest in?
ONEV leans toward sectors like Finance, Industrials and Healthcare. Meanwhile, IWS focuses on Finance, Industrials and Technology.
What are the top holdings of the ONEV ETF and IWS ETF?
ONEV top holdings include The Allstate Corp., Progressive Corp. and McKesson Corp.. IWS holds in its top three: Warner Bros. Discovery, Inc., Phillips 66 and Digital Realty Trust, Inc..
Which ETF is more diversified: ONEV or IWS?
ONEV holds 446 securities with 12.52% of its assets in the top 15. IWS has 719 securities and a top 15 weight of 8.62%.
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