SWPPX vs. EAPCX

Last updated Jun 24, 2026

SWPPX (Schwab S&P 500 Index Fund) and EAPCX (Parametric Commodity Strategy Fund Class A) are both mutual funds - SWPPX is a Large Cap Blend Equities fund tracking the S&P 500 Index, while EAPCX is a Commodities fund managed by Eaton Vance. Over the past 10 years, SWPPX returned 15.77%/yr vs 10.09%/yr for EAPCX. At a 0.26 correlation, their price movements are largely independent. SWPPX charges 0.02%/yr vs 0.91%/yr for EAPCX.

Performance

SWPPX vs. EAPCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Schwab S&P 500 Index Fund (SWPPX) and Parametric Commodity Strategy Fund Class A (EAPCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SWPPX achieves a 9.75% return, which is significantly lower than EAPCX's 15.27% return. Over the past 10 years, SWPPX has outperformed EAPCX with an annualized return of 15.77%, while EAPCX has yielded a comparatively lower 10.09% annualized return.

SWPPX

• 1D: -0.36%
• 1M: 0.10%
• YTD: 9.75%
• 6M: 8.76%
• 1Y: 25.48%
• 3Y*: 21.36%
• 5Y*: 13.58%
• 10Y*: 15.77%

EAPCX

• 1D: -0.40%
• 1M: -5.86%
• YTD: 15.27%
• 6M: 14.39%
• 1Y: 28.85%
• 3Y*: 15.60%
• 5Y*: 13.50%
• 10Y*: 10.09%

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

SWPPX vs. EAPCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SWPPX Schwab S&P 500 Index Fund	9.75%	17.87%	24.96%	26.26%	-18.14%	28.67%	18.38%	31.46%	-4.47%	21.81%
EAPCX Parametric Commodity Strategy Fund Class A	15.27%	22.06%	9.63%	-4.87%	17.26%	29.92%	7.77%	9.19%	-9.60%	6.71%

Correlation

The correlation between SWPPX and EAPCX is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.08
Correlation (3Y) Calculated over the trailing 3-year period	0.15
Correlation (5Y) Calculated over the trailing 5-year period	0.20
Correlation (10Y) Calculated over the trailing 10-year period	0.25
Correlation (All Time) Calculated using the full available price history since Jan 3, 2012	0.26

The correlation between SWPPX and EAPCX shifts across timeframes, from 0.08 (1 year) to 0.26 (all time), reflecting how their relationship changes across market environments.

Return for Risk

SWPPX vs. EAPCX — Risk / Return Rank

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

SWPPX

SWPPX Risk / Return Rank: 65
SWPPX Sharpe Ratio Rank: 63
SWPPX Sortino Ratio Rank: 56
SWPPX Omega Ratio Rank: 59
SWPPX Calmar Ratio Rank: 68
SWPPX Martin Ratio Rank: 78

EAPCX

EAPCX Risk / Return Rank: 54
EAPCX Sharpe Ratio Rank: 54
EAPCX Sortino Ratio Rank: 46
EAPCX Omega Ratio Rank: 49
EAPCX Calmar Ratio Rank: 65
EAPCX Martin Ratio Rank: 55

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. EAPCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Schwab S&P 500 Index Fund (SWPPX) and Parametric Commodity Strategy Fund Class A (EAPCX). 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.

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.

	SWPPX	EAPCX	Difference
Sharpe ratio: Return per unit of total volatility	2.14	1.99	+0.15
Sortino ratio: Return per unit of downside risk	2.89	2.63	+0.26
Omega ratio: Gain probability vs. loss probability	1.39	1.35	+0.03
Calmar ratio: Return relative to maximum drawdown	3.02	2.96	+0.06
Martin ratio: Return relative to average drawdown	13.59	10.49	+3.10

SWPPX vs. EAPCX - Sharpe Ratio Comparison

The current SWPPX Sharpe Ratio is 2.14, which is comparable to the EAPCX Sharpe Ratio of 1.99. The chart below compares the historical Sharpe Ratios of SWPPX and EAPCX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SWPPX vs. EAPCX - Drawdown Comparison

The maximum SWPPX drawdown since its inception was -55.06%, roughly equal to the maximum EAPCX drawdown of -52.59%. Use the drawdown chart below to compare losses from any high point for SWPPX and EAPCX.

Drawdown Indicators

	SWPPX	EAPCX	Difference
Max Drawdown Largest peak-to-trough decline	-55.06%	-52.59%	-2.47%
Max Drawdown (1Y) Largest decline over 1 year	-8.89%	-9.47%	+0.58%
Max Drawdown (3Y) Largest decline over 3 years	-18.74%	-10.57%	-8.17%
Max Drawdown (5Y) Largest decline over 5 years	-24.51%	-18.05%	-6.46%
Max Drawdown (10Y) Largest decline over 10 years	-33.80%	-28.81%	-4.99%
Current Drawdown Current decline from peak	-1.74%	-9.47%	+7.73%
Average Drawdown Average peak-to-trough decline	-9.93%	-22.71%	+12.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.97%	2.69%	-0.72%

Volatility

SWPPX vs. EAPCX - Volatility Comparison

Schwab S&P 500 Index Fund (SWPPX) has a higher volatility of 4.73% compared to Parametric Commodity Strategy Fund Class A (EAPCX) at 3.29%. This indicates that SWPPX's price experiences larger fluctuations and is considered to be riskier than EAPCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SWPPX	EAPCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.73%	3.29%	+1.44%
Volatility (6M) Calculated over the trailing 6-month period	9.87%	11.76%	-1.89%
Volatility (1Y) Calculated over the trailing 1-year period	12.53%	14.08%	-1.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.02%	14.56%	+2.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.27%	13.27%	+5.00%

SWPPX vs. EAPCX - Expense Ratio Comparison

SWPPX has a 0.02% expense ratio, which is lower than EAPCX's 0.91% expense ratio.

Dividends

SWPPX vs. EAPCX - Dividend Comparison

SWPPX's dividend yield for the trailing twelve months is around 1.01%, less than EAPCX's 11.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EAPCX Parametric Commodity Strategy Fund Class A	11.48%	13.23%	5.46%	3.43%	14.80%	13.74%	3.01%	1.11%	0.41%	4.98%	6.49%	0.00%
SWPPX Schwab S&P 500 Index Fund	1.01%	1.11%	1.23%	1.43%	1.67%	1.27%	1.81%	1.95%	2.67%	1.79%	2.55%	3.17%

Frequently Asked Questions

Can I hold both SWPPX and EAPCX in my portfolio?

SWPPX and EAPCX have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SWPPX or EAPCX?

SWPPX has higher volatility (4.73%) compared to EAPCX (3.29%). In terms of maximum drawdown, SWPPX dropped -55.06% vs EAPCX's -52.59%.

Which has better risk-adjusted returns?

SWPPX currently has the higher Sharpe Ratio (2.14 vs 1.99), 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.