ECSIX vs. CRMVX

Last updated Jun 5, 2026

ECSIX (Eaton Vance Short Duration Strategic Income Fund) and CRMVX (Potomac Managed Volatility Fund) are both Multisector Bonds funds. Over the past 5 years, ECSIX returned 4.07%/yr vs 2.60%/yr for CRMVX. At a 0.30 correlation, their price movements are largely independent. ECSIX charges 1.82%/yr vs 1.62%/yr for CRMVX.

Performance

ECSIX vs. CRMVX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Eaton Vance Short Duration Strategic Income Fund (ECSIX) and Potomac Managed Volatility Fund (CRMVX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with ECSIX having a 1.76% return and CRMVX slightly higher at 1.81%.

ECSIX

• 1D: 0.00%
• 1M: 0.20%
• YTD: 1.76%
• 6M: 2.37%
• 1Y: 8.70%
• 3Y*: 7.54%
• 5Y*: 4.07%
• 10Y*: 3.96%

CRMVX

• 1D: -0.39%
• 1M: -0.69%
• YTD: 1.81%
• 6M: 2.14%
• 1Y: 7.78%
• 3Y*: 4.26%
• 5Y*: 2.60%
• 10Y*: —

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

ECSIX vs. CRMVX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
ECSIX Eaton Vance Short Duration Strategic Income Fund	1.76%	10.19%	5.71%	7.31%	-3.31%	0.69%	4.80%
CRMVX Potomac Managed Volatility Fund	1.81%	4.91%	1.22%	0.25%	4.76%	0.61%	3.98%

Correlation

The correlation between ECSIX and CRMVX is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.25
Correlation (3Y) Calculated over the trailing 3-year period	0.44
Correlation (5Y) Calculated over the trailing 5-year period	0.32
Correlation (All Time) Calculated using the full available price history since Jul 2, 2020	0.30

The correlation between ECSIX and CRMVX shifts across timeframes, from 0.25 (1 year) to 0.44 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

ECSIX vs. CRMVX — Risk / Return Rank

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

ECSIX

ECSIX Risk / Return Rank: 86
ECSIX Sharpe Ratio Rank: 93
ECSIX Sortino Ratio Rank: 94
ECSIX Omega Ratio Rank: 92
ECSIX Calmar Ratio Rank: 82
ECSIX Martin Ratio Rank: 70

CRMVX

CRMVX Risk / Return Rank: 64
CRMVX Sharpe Ratio Rank: 46
CRMVX Sortino Ratio Rank: 46
CRMVX Omega Ratio Rank: 53
CRMVX Calmar Ratio Rank: 92
CRMVX Martin Ratio Rank: 83

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.

ECSIX vs. CRMVX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Eaton Vance Short Duration Strategic Income Fund (ECSIX) and Potomac Managed Volatility Fund (CRMVX). 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.

	ECSIX	CRMVX	Difference
Sharpe ratio: Return per unit of total volatility	3.21	1.98	+1.24
Sortino ratio: Return per unit of downside risk	4.94	2.80	+2.14
Omega ratio: Gain probability vs. loss probability	1.70	1.40	+0.31
Calmar ratio: Return relative to maximum drawdown	3.74	4.96	-1.22
Martin ratio: Return relative to average drawdown	13.32	15.29	-1.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ECSIX vs. CRMVX - Sharpe Ratio Comparison

The current ECSIX Sharpe Ratio is 3.21, which is higher than the CRMVX Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of ECSIX and CRMVX, 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

	ECSIX	CRMVX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.21	1.98	+1.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.28	0.00	+1.27
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.25	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.47	0.00	+1.46

Drawdowns

ECSIX vs. CRMVX - Drawdown Comparison

The maximum ECSIX drawdown since its inception was -12.95%, smaller than the maximum CRMVX drawdown of -97.39%. Use the drawdown chart below to compare losses from any high point for ECSIX and CRMVX.

Drawdown Indicators

	ECSIX	CRMVX	Difference
Max Drawdown Largest peak-to-trough decline	-12.95%	-97.39%	+84.44%
Max Drawdown (1Y) Largest decline over 1 year	-2.43%	-1.62%	-0.81%
Max Drawdown (3Y) Largest decline over 3 years	-2.64%	-97.39%	+94.75%
Max Drawdown (5Y) Largest decline over 5 years	-7.19%	-97.39%	+90.20%
Max Drawdown (10Y) Largest decline over 10 years	-12.53%	—	—
Current Drawdown Current decline from peak	-0.78%	-97.11%	+96.33%
Average Drawdown Average peak-to-trough decline	-1.34%	-24.30%	+22.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.68%	0.52%	+0.16%

Volatility

ECSIX vs. CRMVX - Volatility Comparison

The current volatility for Eaton Vance Short Duration Strategic Income Fund (ECSIX) is 1.08%, while Potomac Managed Volatility Fund (CRMVX) has a volatility of 1.34%. This indicates that ECSIX experiences smaller price fluctuations and is considered to be less risky than CRMVX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ECSIX	CRMVX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.08%	1.34%	-0.26%
Volatility (6M) Calculated over the trailing 6-month period	2.20%	2.99%	-0.79%
Volatility (1Y) Calculated over the trailing 1-year period	2.83%	4.07%	-1.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.21%	1,597.76%	-1,594.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.18%	1,468.01%	-1,464.83%

ECSIX vs. CRMVX - Expense Ratio Comparison

ECSIX has a 1.82% expense ratio, which is higher than CRMVX's 1.62% expense ratio.

Dividends

ECSIX vs. CRMVX - Dividend Comparison

ECSIX's dividend yield for the trailing twelve months is around 6.33%, more than CRMVX's 5.65% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CRMVX Potomac Managed Volatility Fund	5.65%	5.75%	3.75%	2.74%	0.57%	2.59%	0.95%	0.00%	0.00%	0.00%	0.00%	0.00%
ECSIX Eaton Vance Short Duration Strategic Income Fund	6.33%	5.07%	6.21%	6.18%	4.78%	3.54%	3.47%	3.53%	3.19%	2.96%	3.20%	3.54%

Frequently Asked Questions

Can I hold both ECSIX and CRMVX in my portfolio?

ECSIX and CRMVX have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ECSIX or CRMVX?

CRMVX has higher volatility (1.34%) compared to ECSIX (1.08%). In terms of maximum drawdown, ECSIX dropped -12.95% vs CRMVX's -97.39%.

Which has better risk-adjusted returns?

ECSIX currently has the higher Sharpe Ratio (3.21 vs 1.98), 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.