PortfoliosLab logoPortfoliosLab logo

Documentation

Upgrade your plan
SFSNX vs. IWO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

SFSNX vs. IWO

Last updated Jun 4, 2026

SFSNX (Schwab Fundamental US Small Company Index Fund) and IWO (iShares Russell 2000 Growth ETF) are both funds - SFSNX is a Small Cap Blend Equities fund managed by Charles Schwab, while IWO is a Small Cap Growth Equities fund tracking the Russell 2000 Growth Index. Over the past 10 years, SFSNX returned 10.97%/yr vs 11.23%/yr for IWO. Their correlation of 0.92 suggests significant overlap in exposure. SFSNX charges 0.25%/yr vs 0.24%/yr for IWO.

Performance

SFSNX vs. IWO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab Fundamental US Small Company Index Fund (SFSNX) and iShares Russell 2000 Growth ETF (IWO). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

The year-to-date returns for both investments are quite close, with SFSNX having a 15.97% return and IWO slightly higher at 16.75%. Both investments have delivered pretty close results over the past 10 years, with SFSNX having a 10.97% annualized return and IWO not far ahead at 11.23%.

SFSNX

1D
1.06%
1M
3.41%
YTD
15.97%
6M
15.35%
1Y
32.31%
3Y*
16.22%
5Y*
7.30%
10Y*
10.97%

IWO

1D
-1.41%
1M
4.28%
YTD
16.75%
6M
15.06%
1Y
37.09%
3Y*
18.01%
5Y*
5.56%
10Y*
11.23%
*Multi-year figures are annualized to reflect compound growth (CAGR)

SFSNX vs. IWO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
SFSNX
Schwab Fundamental US Small Company Index Fund		15.97%7.66%8.99%20.15%-14.79%30.91%8.49%24.44%-12.26%12.84%
IWO
iShares Russell 2000 Growth ETF		16.75%12.90%15.04%18.51%-26.27%2.54%34.68%28.48%-9.43%22.25%

Correlation

The correlation between SFSNX and IWO is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.85

Correlation (3Y)
Calculated over the trailing 3-year period

0.90

Correlation (5Y)
Calculated over the trailing 5-year period

0.90

Correlation (10Y)
Calculated over the trailing 10-year period

0.88

Correlation (All Time)
Calculated using the full available price history since Jan 3, 2008

0.92

The correlation between SFSNX and IWO has been stable across timeframes, ranging from 0.85 to 0.92 - a consistent structural relationship.

SFSNX vs. IWO - Sectors Allocation Comparison

Sectors
SFSNX
IWO

Industrials

19.1%
23.1%

Technology

15.1%
23.6%

Financial Services

14.5%
8.2%

Consumer Cyclical

12.2%
7.7%

Real Estate

9.8%
2.1%

Healthcare

6.8%
22.4%

Energy

6.1%
3.5%

Basic Materials

5.2%
4.2%

Consumer Defensive

4.2%
2.6%

Communication Services

4.2%
2.2%

Utilities

2.8%
0.7%

Industrials

SFSNX
19.1%
IWO
23.1%

Technology

SFSNX
15.1%
IWO
23.6%

Financial Services

SFSNX
14.5%
IWO
8.2%

Consumer Cyclical

SFSNX
12.2%
IWO
7.7%

Real Estate

SFSNX
9.8%
IWO
2.1%

Healthcare

SFSNX
6.8%
IWO
22.4%

Energy

SFSNX
6.1%
IWO
3.5%

Basic Materials

SFSNX
5.2%
IWO
4.2%

Consumer Defensive

SFSNX
4.2%
IWO
2.6%

Communication Services

SFSNX
4.2%
IWO
2.2%

Utilities

SFSNX
2.8%
IWO
0.7%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Schwab Fundamental US Small Company Index Fund

iShares Russell 2000 Growth ETF

Often compared with SFSNX:
SFSNX vs. SWSSXSFSNX vs. AVUVSFSNX vs. VBRSFSNX vs. NEAGXSFSNX vs. TSCGXSFSNX vs. FSLCXSFSNX vs. SFLNX
Often compared with IWO:
IWO vs. IWMIWO vs. QQQIWO vs. IWNIWO vs. VTCLXIWO vs. VTWOIWO vs. SLYGIWO vs. IJR

Return for Risk

SFSNX vs. IWO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
SFSNX
SFSNX Risk / Return Rank: 5555
Overall Rank
SFSNX Sharpe Ratio Rank: 4646
Sharpe Ratio Rank
SFSNX Sortino Ratio Rank: 4747
Sortino Ratio Rank
SFSNX Omega Ratio Rank: 4242
Omega Ratio Rank
SFSNX Calmar Ratio Rank: 7979
Calmar Ratio Rank
SFSNX Martin Ratio Rank: 5959
Martin Ratio Rank
IWO
IWO Risk / Return Rank: 4949
Overall Rank
IWO Sharpe Ratio Rank: 5050
Sharpe Ratio Rank
IWO Sortino Ratio Rank: 4949
Sortino Ratio Rank
IWO Omega Ratio Rank: 4545
Omega Ratio Rank
IWO Calmar Ratio Rank: 5050
Calmar Ratio Rank
IWO Martin Ratio Rank: 5252
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.

SFSNX vs. IWO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab Fundamental US Small Company Index Fund (SFSNX) and iShares Russell 2000 Growth ETF (IWO). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

SFSNXIWODifference
Sharpe ratioReturn per unit of total volatility
2.00
1.75

+0.25

Sortino ratioReturn per unit of downside risk
2.86
2.42

+0.44

Omega ratioGain probability vs. loss probability

1.35

1.29

+0.06

Calmar ratioReturn relative to maximum drawdown

3.63

2.51

+1.12

Martin ratioReturn relative to average drawdown

11.81

8.99

+2.82

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SFSNX vs. IWO - Sharpe Ratio Comparison

The current SFSNX Sharpe Ratio is 2.00, which is comparable to the IWO Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of SFSNX and IWO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Loading charts...

Sharpe Ratios by Period

SFSNXIWODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.00

1.75

+0.25

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.35

0.23

+0.12

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.47

0.47

+0.01

Sharpe Ratio (All Time)

Calculated using the full available price history

0.39

0.28

+0.11

Drawdowns

SFSNX vs. IWO - Drawdown Comparison

The maximum SFSNX drawdown since its inception was -58.32%, roughly equal to the maximum IWO drawdown of -60.11%. Use the drawdown chart below to compare losses from any high point for SFSNX and IWO.

Loading charts...

Drawdown Indicators

SFSNXIWODifference

Max Drawdown

Largest peak-to-trough decline

-58.32%

-60.11%

+1.79%

Max Drawdown (1Y)

Largest decline over 1 year

-9.43%

-14.87%

+5.44%

Max Drawdown (3Y)

Largest decline over 3 years

-25.91%

-28.57%

+2.66%

Max Drawdown (5Y)

Largest decline over 5 years

-25.91%

-40.51%

+14.60%

Max Drawdown (10Y)

Largest decline over 10 years

-44.82%

-42.02%

-2.80%

Current Drawdown

Current decline from peak

0.00%

-1.51%

+1.51%

Average Drawdown

Average peak-to-trough decline

-8.32%

-16.71%

+8.39%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.89%

4.14%

-1.25%

Volatility

SFSNX vs. IWO - Volatility Comparison

The current volatility for Schwab Fundamental US Small Company Index Fund (SFSNX) is 4.54%, while iShares Russell 2000 Growth ETF (IWO) has a volatility of 6.61%. This indicates that SFSNX experiences smaller price fluctuations and is considered to be less risky than IWO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Loading charts...

Volatility by Period

SFSNXIWODifference

Volatility (1M)

Calculated over the trailing 1-month period

4.54%

6.61%

-2.07%

Volatility (6M)

Calculated over the trailing 6-month period

11.80%

15.65%

-3.85%

Volatility (1Y)

Calculated over the trailing 1-year period

17.10%

21.34%

-4.24%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

20.81%

24.48%

-3.67%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

23.28%

24.13%

-0.85%

SFSNX vs. IWO - Expense Ratio Comparison

SFSNX has a 0.25% expense ratio, which is higher than IWO's 0.24% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SFSNX vs. IWO - Dividend Comparison

SFSNX's dividend yield for the trailing twelve months is around 1.18%, more than IWO's 0.40% yield.

PositionTTM20252024202320222021202020192018201720162015
IWO
iShares Russell 2000 Growth ETF		0.40%0.56%0.80%0.73%0.73%0.32%0.44%0.71%0.76%0.73%0.97%0.89%
SFSNX
Schwab Fundamental US Small Company Index Fund		1.18%1.36%1.71%1.37%7.05%12.27%1.42%3.66%11.55%6.88%1.86%6.37%

Frequently Asked Questions

SFSNX and IWO have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

IWO has higher volatility (6.61%) compared to SFSNX (4.54%). In terms of maximum drawdown, SFSNX dropped -58.32% vs IWO's -60.11%.

SFSNX currently has the higher Sharpe Ratio (2.00 vs 1.75), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

Portfolio Optimizer

Find the right allocation for SFSNX and IWO

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer