- ISIN
- US46432F3709
- CUSIP
- 46432F370
- Issuer
- iShares
- Inception Date
- Apr 16, 2013
- Region
- North America (U.S.)
- Category
- Mid Cap Blend Equities
- 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
- Assets Under Management
- $421M
Share Price Chart
Loading charts...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
SIZE Performance Chart
iShares MSCI USA Size Factor ETF (SIZE) is up 9.2% since the beginning of the year. SIZE is currently trading at $175 per share. Investors who bought $1,000 worth of SIZE shares 5 years ago would now be looking at an investment worth $1,478.
Loading charts...
Returns By Period
iShares MSCI USA Size Factor ETF (SIZE) has returned 9.23% so far this year and 18.60% over the past 12 months. Over the last ten years, SIZE has returned 12.04% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
iShares MSCI USA Size Factor ETF
- 1D
- -0.01%
- 1M
- 1.12%
- YTD
- 9.23%
- 6M
- 7.56%
- 1Y
- 18.60%
- 3Y*
- 15.66%
- 5Y*
- 8.12%
- 10Y*
- 12.04%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
SIZE Monthly Returns History
Based on dividend-adjusted daily data since Apr 18, 2013, SIZE's average daily return is +0.05%, while the average monthly return is +1.03%. At this rate, an investment would double in approximately 5.6 years.
Historically, 64% of months were positive and 36% 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%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.39% | 2.36% | -5.50% | 6.98% | 3.12% | -0.03% | 9.23% | ||||||
| 2025 | 3.85% | -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% |
| 2023 | 8.19% | -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 0.35%, beta of 0.93, and R2 of 0.82 versus S&P 500 Index. Calculated based on daily prices since April 18, 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
- 0.35%
- Beta
- 0.93
- R²
- 0.82
- Upside Capture
- 95.98%
- Downside Capture
- 99.08%
Expense Ratio
SIZE has an expense ratio of 0.15%, which is considered low.
Return for Risk
Risk / Return Rank
SIZE ranks 45 for risk / return — on par with similar ETFs. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iShares MSCI USA Size Factor ETF (SIZE) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| SIZE | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.59 | ||
| Sortino ratioReturn per unit of downside risk | -0.64 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.37 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | 2.34 | 2.78 | -0.44 |
| Martin ratioReturn relative to average drawdown | 9.07 | 12.44 | -3.37 |
Dividends
Dividend History
iShares MSCI USA Size Factor ETF provided a 1.39% dividend yield over the last twelve months, with an annual payout of $2.44 per share. The fund has been increasing its distributions for 6 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $2.44 | $2.42 | $2.27 | $1.87 | $1.81 | $1.64 | $1.60 | $1.32 | $1.86 | $1.33 | $1.35 | $1.27 |
Dividend yield | 1.39% | 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.57 | $0.00 | $0.00 | $0.49 | $1.06 | ||||||
| 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.
Loading charts...
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 1.21%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
COVID crash2020 | -39.15%Mar 2020 | 1mo 1d | 6mo 23d | 7mo 24dFeb 2020 - Oct 2020 |
Bear market2022 | -24.03%Oct 2022 | 11mo 1d | 1y 4mo | 2y 3moNov 2021 - Feb 2024 |
2025 selloff2025 | -18.71%Apr 2025 | 4mo 7d | 2mo 26d | 7mo 3dDec 2024 - Jul 2025 |
Rate-hike selloffLate 2018 | -18.67%Dec 2018 | 3mo 1d | 2mo 27d | 5mo 28dSep 2018 - Mar 2019 |
2016 correction2016 | -12.76%Feb 2016 | 5mo 27d | 1mo 20d | 7mo 17dAug 2015 - Apr 2016 |
Drawdown Indicators
| SIZE | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.15% | -56.78% | +17.63% |
Max Drawdown (1Y)Largest decline over 1 year | -7.97% | -9.10% | +1.13% |
Max Drawdown (3Y)Largest decline over 3 years | -18.71% | -18.90% | +0.19% |
Max Drawdown (5Y)Largest decline over 5 years | -24.03% | -25.43% | +1.40% |
Max Drawdown (10Y)Largest decline over 10 years | -39.15% | -33.92% | -5.23% |
Current DrawdownCurrent decline from peak | -1.21% | -1.80% | +0.59% |
Average DrawdownAverage peak-to-trough decline | -4.17% | -10.71% | +6.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.06% | 2.03% | +0.03% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading charts...
Build a portfolio with SIZE
Add iShares MSCI USA Size Factor ETF to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Analyzer with SIZE