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iShares MSCI USA Size Factor ETF (SIZE)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

ETF Info

ISIN
US46432F3709
CUSIP
46432F370
Issuer
iShares
Inception Date
Apr 16, 2013
Region
North America (U.S.)
Leveraged
1x (No leverage)
Index Tracked
MSCI USA Low Size Index
Domicile
United States
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Mid-Cap
Asset Class Style
Blend

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in iShares MSCI USA Size Factor ETF, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

iShares MSCI USA Size Factor ETF (SIZE) has returned -0.96% so far this year and 11.37% over the past 12 months. Over the last ten years, SIZE has returned 10.95% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


iShares MSCI USA Size Factor ETF

1D
2.59%
1M
-5.50%
YTD
-0.96%
6M
-0.01%
1Y
11.37%
3Y*
12.32%
5Y*
7.22%
10Y*
10.95%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Apr 18, 2013, SIZE's average daily return is +0.05%, while the average monthly return is +0.99%. At this rate, your investment would double in approximately 5.9 years.

Historically, 63% of months were positive and 37% were negative. The best month was Nov 2020 with a return of +14.3%, while the worst month was Mar 2020 at -18.3%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 4 months.

On a daily basis, SIZE closed higher 51% of trading days. The best single day was Mar 24, 2020 with a return of +10.2%, while the worst single day was Mar 16, 2020 at -13.6%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20262.39%2.36%-5.50%-0.96%
20253.85%-1.38%-4.05%-1.90%4.91%3.61%1.04%2.35%0.99%-0.12%0.78%0.29%10.51%
2024-0.90%4.80%4.30%-5.31%2.42%-0.03%4.12%2.55%1.75%-0.75%7.60%-6.13%14.37%
20238.19%-3.27%-0.57%-0.73%-2.17%7.59%4.20%-3.27%-4.67%-4.48%9.88%7.41%17.78%
2022-5.93%-1.18%2.52%-7.16%0.52%-9.20%8.75%-3.18%-9.57%8.84%6.14%-5.29%-15.86%
2021-1.02%5.38%3.86%4.76%1.54%1.62%1.26%2.33%-4.40%5.94%-2.74%4.61%25.05%

Benchmark Metrics

iShares MSCI USA Size Factor ETF has an annualized alpha of 0.50%, beta of 0.93, and R² of 0.82 versus S&P 500 Index. Calculated based on daily prices since April 19, 2013.

  • With beta of 0.93 and R² of 0.82, this ETF moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.

Alpha
0.50%
Beta
0.93
0.82
Upside Capture
97.43%
Downside Capture
99.68%

Expense Ratio

SIZE has an expense ratio of 0.15%, which is considered low.


Return for Risk

Risk / Return Rank

SIZE ranks 35 for risk / return — below 35% of ETFs on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.


SIZE Risk / Return Rank: 3535
Overall Rank
SIZE Sharpe Ratio Rank: 3131
Sharpe Ratio Rank
SIZE Sortino Ratio Rank: 3232
Sortino Ratio Rank
SIZE Omega Ratio Rank: 3333
Omega Ratio Rank
SIZE Calmar Ratio Rank: 3636
Calmar Ratio Rank
SIZE Martin Ratio Rank: 4444
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for iShares MSCI USA Size Factor ETF (SIZE) and compare them to a chosen benchmark (S&P 500 Index).


SIZEBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.60

0.90

-0.29

Sortino ratio

Return per unit of downside risk

1.00

1.39

-0.39

Omega ratio

Gain probability vs. loss probability

1.14

1.21

-0.07

Calmar ratio

Return relative to maximum drawdown

0.94

1.40

-0.45

Martin ratio

Return relative to average drawdown

4.35

6.61

-2.25

Explore SIZE risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

iShares MSCI USA Size Factor ETF provided a 1.56% dividend yield over the last twelve months, with an annual payout of $2.49 per share. The fund has been increasing its distributions for 6 consecutive years.


1.20%1.40%1.60%1.80%2.00%2.20%2.40%$0.00$0.50$1.00$1.50$2.00$2.5020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$2.49$2.42$2.27$1.87$1.81$1.64$1.60$1.32$1.86$1.33$1.35$1.27

Dividend yield

1.56%1.50%1.53%1.42%1.59%1.19%1.43%1.35%2.43%1.58%1.88%1.95%

Monthly Dividends

The table displays the monthly dividend distributions for iShares MSCI USA Size Factor ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.57$0.57
2025$0.00$0.00$0.50$0.00$0.00$0.54$0.00$0.00$0.63$0.00$0.00$0.76$2.42
2024$0.00$0.00$0.54$0.00$0.00$0.42$0.00$0.00$0.62$0.00$0.00$0.68$2.27
2023$0.00$0.00$0.46$0.00$0.00$0.40$0.00$0.00$0.55$0.00$0.00$0.46$1.87
2022$0.00$0.00$0.48$0.00$0.00$0.45$0.00$0.00$0.54$0.00$0.00$0.35$1.81
2021$0.00$0.00$0.35$0.00$0.00$0.37$0.00$0.00$0.53$0.00$0.00$0.38$1.64

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the iShares MSCI USA Size Factor ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the iShares MSCI USA Size Factor ETF was 39.15%, occurring on Mar 23, 2020. Recovery took 141 trading sessions.

The current iShares MSCI USA Size Factor ETF drawdown is 5.59%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-39.15%Feb 21, 202022Mar 23, 2020141Oct 12, 2020163
-24.03%Nov 17, 2021229Oct 14, 2022335Feb 15, 2024564
-18.71%Dec 2, 202487Apr 8, 202559Jul 3, 2025146
-18.67%Sep 24, 201864Dec 24, 201859Mar 21, 2019123
-12.76%Aug 18, 2015123Feb 11, 201634Apr 1, 2016157

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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