DDDIX vs. SWMCX

Last updated Jun 4, 2026

DDDIX (13D Activist Fund) and SWMCX (Schwab U.S. Mid-Cap Index Fund) are both Mid Cap Blend Equities funds. Over the past 5 years, DDDIX returned 3.89%/yr vs 8.33%/yr for SWMCX. Their correlation of 0.88 suggests significant overlap in exposure. DDDIX charges 1.51%/yr vs 0.04%/yr for SWMCX.

Performance

DDDIX vs. SWMCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in 13D Activist Fund (DDDIX) and Schwab U.S. Mid-Cap Index Fund (SWMCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DDDIX achieves a 27.27% return, which is significantly higher than SWMCX's 12.72% return.

DDDIX

• 1D: -0.79%
• 1M: 11.43%
• YTD: 27.27%
• 6M: 27.53%
• 1Y: 42.39%
• 3Y*: 13.56%
• 5Y*: 3.89%
• 10Y*: 10.60%

SWMCX

• 1D: 0.68%
• 1M: 4.11%
• YTD: 12.72%
• 6M: 12.56%
• 1Y: 22.05%
• 3Y*: 17.46%
• 5Y*: 8.33%
• 10Y*: —

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

DDDIX vs. SWMCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DDDIX 13D Activist Fund	27.27%	3.05%	1.67%	10.86%	-17.53%	19.62%	18.92%	31.79%	-13.43%	0.78%
SWMCX Schwab U.S. Mid-Cap Index Fund	12.72%	10.54%	15.28%	17.20%	-17.31%	22.55%	17.03%	30.46%	-9.16%	0.40%

Correlation

The correlation between DDDIX and SWMCX is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.84
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (All Time) Calculated using the full available price history since Dec 20, 2017	0.88

The correlation between DDDIX and SWMCX has been stable across timeframes, ranging from 0.78 to 0.88 - a consistent structural relationship.

Return for Risk

DDDIX vs. SWMCX — Risk / Return Rank

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

DDDIX

DDDIX Risk / Return Rank: 61
DDDIX Sharpe Ratio Rank: 56
DDDIX Sortino Ratio Rank: 50
DDDIX Omega Ratio Rank: 46
DDDIX Calmar Ratio Rank: 85
DDDIX Martin Ratio Rank: 67

SWMCX

SWMCX Risk / Return Rank: 43
SWMCX Sharpe Ratio Rank: 36
SWMCX Sortino Ratio Rank: 36
SWMCX Omega Ratio Rank: 33
SWMCX Calmar Ratio Rank: 56
SWMCX 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.

DDDIX vs. SWMCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for 13D Activist Fund (DDDIX) and Schwab U.S. Mid-Cap Index Fund (SWMCX). 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.

	DDDIX	SWMCX	Difference
Sharpe ratio: Return per unit of total volatility	2.20	1.74	+0.46
Sortino ratio: Return per unit of downside risk	2.99	2.50	+0.49
Omega ratio: Gain probability vs. loss probability	1.37	1.30	+0.07
Calmar ratio: Return relative to maximum drawdown	4.03	2.87	+1.17
Martin ratio: Return relative to average drawdown	13.06	11.01	+2.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DDDIX vs. SWMCX - Sharpe Ratio Comparison

The current DDDIX Sharpe Ratio is 2.20, which is comparable to the SWMCX Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of DDDIX and SWMCX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	DDDIX	SWMCX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.20	1.74	+0.46
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.19	0.46	-0.27
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.61	0.52	+0.09

Drawdowns

DDDIX vs. SWMCX - Drawdown Comparison

The maximum DDDIX drawdown since its inception was -43.82%, which is greater than SWMCX's maximum drawdown of -40.34%. Use the drawdown chart below to compare losses from any high point for DDDIX and SWMCX.

Drawdown Indicators

	DDDIX	SWMCX	Difference
Max Drawdown Largest peak-to-trough decline	-43.82%	-40.34%	-3.48%
Max Drawdown (1Y) Largest decline over 1 year	-10.82%	-8.15%	-2.67%
Max Drawdown (3Y) Largest decline over 3 years	-28.76%	-21.07%	-7.69%
Max Drawdown (5Y) Largest decline over 5 years	-28.76%	-26.09%	-2.67%
Max Drawdown (10Y) Largest decline over 10 years	-43.82%	—	—
Current Drawdown Current decline from peak	-0.79%	0.00%	-0.79%
Average Drawdown Average peak-to-trough decline	-7.15%	-6.63%	-0.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.33%	2.12%	+1.21%

Volatility

DDDIX vs. SWMCX - Volatility Comparison

13D Activist Fund (DDDIX) has a higher volatility of 4.29% compared to Schwab U.S. Mid-Cap Index Fund (SWMCX) at 3.27%. This indicates that DDDIX's price experiences larger fluctuations and is considered to be riskier than SWMCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DDDIX	SWMCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.29%	3.27%	+1.02%
Volatility (6M) Calculated over the trailing 6-month period	14.02%	9.96%	+4.06%
Volatility (1Y) Calculated over the trailing 1-year period	19.88%	13.42%	+6.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.19%	18.25%	+1.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.99%	20.64%	+0.35%

DDDIX vs. SWMCX - Expense Ratio Comparison

DDDIX has a 1.51% expense ratio, which is higher than SWMCX's 0.04% expense ratio.

Dividends

DDDIX vs. SWMCX - Dividend Comparison

DDDIX's dividend yield for the trailing twelve months is around 3.63%, more than SWMCX's 1.89% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
DDDIX 13D Activist Fund	3.63%	4.62%	5.16%	3.89%	9.39%	9.30%	6.98%	6.88%	5.33%	1.69%
SWMCX Schwab U.S. Mid-Cap Index Fund	1.89%	2.13%	2.60%	1.49%	1.59%	2.93%	1.45%	2.44%	1.41%	0.00%

Frequently Asked Questions

Can I hold both DDDIX and SWMCX in my portfolio?

DDDIX and SWMCX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DDDIX or SWMCX?

DDDIX has higher volatility (4.29%) compared to SWMCX (3.27%). In terms of maximum drawdown, DDDIX dropped -43.82% vs SWMCX's -40.34%.

Which has better risk-adjusted returns?

DDDIX currently has the higher Sharpe Ratio (2.20 vs 1.74), 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.