SWPPX vs. SWSSX

Last updated Apr 1, 2026

Compare and contrast key facts about Schwab S&P 500 Index Fund (SWPPX) and Schwab Small-Cap Index Fund-Select Shares (SWSSX).

SWPPX is a passively managed fund by Charles Schwab that tracks the performance of the S&P 500 Index. It was launched on May 19, 1997. SWSSX is a passively managed fund by Charles Schwab that tracks the performance of the Russell 2000 Index. It was launched on May 19, 1997. Both SWPPX and SWSSX are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

SWPPX vs. SWSSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab S&P 500 Index Fund (SWPPX) and Schwab Small-Cap Index Fund-Select Shares (SWSSX). The values are adjusted to include any dividend payments, if applicable.

SWPPX vs. SWSSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SWPPX Schwab S&P 500 Index Fund	-7.07%	17.87%	24.96%	26.26%	-18.14%	28.67%	18.38%	31.46%	-4.47%	21.81%
SWSSX Schwab Small-Cap Index Fund-Select Shares	-2.49%	12.88%	11.57%	17.07%	-20.43%	14.77%	20.12%	25.63%	-11.19%	14.76%

Returns By Period

In the year-to-date period, SWPPX achieves a -7.07% return, which is significantly lower than SWSSX's -2.49% return. Over the past 10 years, SWPPX has outperformed SWSSX with an annualized return of 13.71%, while SWSSX has yielded a comparatively lower 9.50% annualized return.

SWPPX

• 1D: -0.37%
• 1M: -7.65%
• YTD: -7.07%
• 6M: -4.58%
• 1Y: 14.43%
• 3Y*: 17.15%
• 5Y*: 11.39%
• 10Y*: 13.71%

SWSSX

• 1D: -1.45%
• 1M: -8.18%
• YTD: -2.49%
• 6M: -0.36%
• 1Y: 21.55%
• 3Y*: 11.83%
• 5Y*: 3.10%
• 10Y*: 9.50%

*Multi-year figures are annualized to reflect compound growth (CAGR)

SWPPX vs. SWSSX - Expense Ratio Comparison

SWPPX has a 0.02% expense ratio, which is lower than SWSSX's 0.04% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

SWSSX

Schwab Small-Cap Index Fund-Select Shares

SWPPX

Schwab S&P 500 Index Fund

Return for Risk

SWPPX vs. SWSSX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SWPPX

SWPPX Risk / Return Rank: 46
SWPPX Sharpe Ratio Rank: 41
SWPPX Sortino Ratio Rank: 45
SWPPX Omega Ratio Rank: 50
SWPPX Calmar Ratio Rank: 42
SWPPX Martin Ratio Rank: 53

SWSSX

SWSSX Risk / Return Rank: 50
SWSSX Sharpe Ratio Rank: 47
SWSSX Sortino Ratio Rank: 52
SWSSX Omega Ratio Rank: 41
SWSSX Calmar Ratio Rank: 58
SWSSX Martin Ratio Rank: 52

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.

SWPPX vs. SWSSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab S&P 500 Index Fund (SWPPX) and Schwab Small-Cap Index Fund-Select Shares (SWSSX). 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.

	SWPPX	SWSSX	Difference
Sharpe ratio Return per unit of total volatility	0.84	0.91	-0.08
Sortino ratio Return per unit of downside risk	1.30	1.40	-0.11
Omega ratio Gain probability vs. loss probability	1.20	1.18	+0.02
Calmar ratio Return relative to maximum drawdown	1.06	1.33	-0.27
Martin ratio Return relative to average drawdown	5.14	5.02	+0.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SWPPX vs. SWSSX - Sharpe Ratio Comparison

The current SWPPX Sharpe Ratio is 0.84, which is comparable to the SWSSX Sharpe Ratio of 0.91. The chart below compares the historical Sharpe Ratios of SWPPX and SWSSX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SWPPX	SWSSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.84	0.91	-0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.14	+0.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	0.40	+0.36
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.33	+0.15

Correlation

The correlation between SWPPX and SWSSX is 0.85, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

SWPPX vs. SWSSX - Dividend Comparison

SWPPX's dividend yield for the trailing twelve months is around 1.19%, less than SWSSX's 1.32% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SWPPX Schwab S&P 500 Index Fund	1.19%	1.11%	1.23%	1.43%	1.67%	1.27%	1.81%	1.95%	2.67%	1.79%	2.55%	3.17%
SWSSX Schwab Small-Cap Index Fund-Select Shares	1.32%	1.29%	1.66%	1.49%	1.32%	8.88%	2.55%	6.12%	10.45%	5.22%	4.10%	6.92%

Drawdowns

SWPPX vs. SWSSX - Drawdown Comparison

The maximum SWPPX drawdown since its inception was -55.06%, smaller than the maximum SWSSX drawdown of -60.34%. Use the drawdown chart below to compare losses from any high point for SWPPX and SWSSX.

Drawdown Indicators

	SWPPX	SWSSX	Difference
Max Drawdown Largest peak-to-trough decline	-55.06%	-60.34%	+5.28%
Max Drawdown (1Y) Largest decline over 1 year	-12.10%	-13.90%	+1.80%
Max Drawdown (5Y) Largest decline over 5 years	-24.51%	-31.93%	+7.42%
Max Drawdown (10Y) Largest decline over 10 years	-33.80%	-41.81%	+8.01%
Current Drawdown Current decline from peak	-8.89%	-11.00%	+2.11%
Average Drawdown Average peak-to-trough decline	-10.00%	-10.78%	+0.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.49%	3.68%	-1.19%

Volatility

SWPPX vs. SWSSX - Volatility Comparison

The current volatility for Schwab S&P 500 Index Fund (SWPPX) is 4.29%, while Schwab Small-Cap Index Fund-Select Shares (SWSSX) has a volatility of 6.59%. This indicates that SWPPX experiences smaller price fluctuations and is considered to be less risky than SWSSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SWPPX	SWSSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.29%	6.59%	-2.30%
Volatility (6M) Calculated over the trailing 6-month period	9.11%	14.12%	-5.01%
Volatility (1Y) Calculated over the trailing 1-year period	18.14%	23.11%	-4.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.89%	22.57%	-5.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.19%	24.03%	-5.84%