MFSV vs. CSTK

Last updated Jun 4, 2026

MFSV (MFS Active Value ETF) and CSTK (Invesco Comstock Contrarian Equity ETF) are both Large Cap Value Equities funds. Both are actively managed. Over the past year, MFSV returned 12.83% vs 26.71% for CSTK. Their correlation of 0.90 suggests significant overlap in exposure. MFSV charges 0.44%/yr vs 0.35%/yr for CSTK.

Performance

MFSV vs. CSTK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Active Value ETF (MFSV) and Invesco Comstock Contrarian Equity ETF (CSTK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFSV achieves a 4.53% return, which is significantly lower than CSTK's 11.29% return.

MFSV

• 1D: -0.29%
• 1M: 0.36%
• YTD: 4.53%
• 6M: 5.79%
• 1Y: 12.83%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CSTK

• 1D: 0.07%
• 1M: 3.59%
• YTD: 11.29%
• 6M: 13.04%
• 1Y: 26.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MFSV vs. CSTK - Yearly Performance Comparison

	2026 (YTD)	2025
MFSV MFS Active Value ETF	4.53%	10.72%
CSTK Invesco Comstock Contrarian Equity ETF	11.29%	18.33%

Correlation

The correlation between MFSV and CSTK is 0.90, 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	0.90
Correlation (All Time) Calculated using the full available price history since May 8, 2025	0.90

The correlation between MFSV and CSTK has been stable across timeframes, ranging from 0.90 to 0.90 - a consistent structural relationship.

Return for Risk

MFSV vs. CSTK — Risk / Return Rank

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

MFSV

MFSV Risk / Return Rank: 38
MFSV Sharpe Ratio Rank: 36
MFSV Sortino Ratio Rank: 36
MFSV Omega Ratio Rank: 34
MFSV Calmar Ratio Rank: 42
MFSV Martin Ratio Rank: 44

CSTK

CSTK Risk / Return Rank: 70
CSTK Sharpe Ratio Rank: 74
CSTK Sortino Ratio Rank: 77
CSTK Omega Ratio Rank: 71
CSTK Calmar Ratio Rank: 62
CSTK Martin Ratio Rank: 66

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.

MFSV vs. CSTK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Active Value ETF (MFSV) and Invesco Comstock Contrarian Equity ETF (CSTK). 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.

	MFSV	CSTK	Difference
Sharpe ratio Return per unit of total volatility	1.26	2.38	-1.12
Sortino ratio Return per unit of downside risk	1.86	3.42	-1.56
Omega ratio Gain probability vs. loss probability	1.22	1.42	-0.20
Calmar ratio Return relative to maximum drawdown	2.03	3.02	-0.99
Martin ratio Return relative to average drawdown	6.96	11.85	-4.89
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MFSV vs. CSTK - Sharpe Ratio Comparison

The current MFSV Sharpe Ratio is 1.26, which is lower than the CSTK Sharpe Ratio of 2.38. The chart below compares the historical Sharpe Ratios of MFSV and CSTK, 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

	MFSV	CSTK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.26	2.38	-1.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.64	2.54	-1.90

Drawdowns

MFSV vs. CSTK - Drawdown Comparison

The maximum MFSV drawdown since its inception was -12.74%, which is greater than CSTK's maximum drawdown of -8.87%. Use the drawdown chart below to compare losses from any high point for MFSV and CSTK.

Drawdown Indicators

	MFSV	CSTK	Difference
Max Drawdown Largest peak-to-trough decline	-12.74%	-8.87%	-3.87%
Max Drawdown (1Y) Largest decline over 1 year	-6.34%	-8.87%	+2.53%
Current Drawdown Current decline from peak	-1.45%	-0.60%	-0.85%
Average Drawdown Average peak-to-trough decline	-1.93%	-1.28%	-0.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.85%	2.26%	-0.41%

Volatility

MFSV vs. CSTK - Volatility Comparison

The current volatility for MFS Active Value ETF (MFSV) is 2.30%, while Invesco Comstock Contrarian Equity ETF (CSTK) has a volatility of 2.68%. This indicates that MFSV experiences smaller price fluctuations and is considered to be less risky than CSTK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFSV	CSTK	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.30%	2.68%	-0.38%
Volatility (6M) Calculated over the trailing 6-month period	7.59%	8.45%	-0.86%
Volatility (1Y) Calculated over the trailing 1-year period	10.21%	11.28%	-1.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.73%	11.60%	+2.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.73%	11.60%	+2.13%

MFSV vs. CSTK - Expense Ratio Comparison

MFSV has a 0.44% expense ratio, which is higher than CSTK's 0.35% expense ratio.

Dividends

MFSV vs. CSTK - Dividend Comparison

MFSV's dividend yield for the trailing twelve months is around 1.51%, less than CSTK's 1.77% yield.

Position	TTM	2025	2024
CSTK Invesco Comstock Contrarian Equity ETF	1.77%	1.44%	0.00%
MFSV MFS Active Value ETF	1.51%	1.53%	0.11%

Frequently Asked Questions

Can I hold both MFSV and CSTK in my portfolio?

MFSV and CSTK have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MFSV or CSTK?

CSTK has higher volatility (2.68%) compared to MFSV (2.30%). In terms of maximum drawdown, MFSV dropped -12.74% vs CSTK's -8.87%.

Which ETF is better, MFSV or CSTK?

On 1-year performance, CSTK leads with 26.71% vs 12.83% for MFSV. On fees, CSTK is cheaper at 0.35% per year. On volatility, MFSV has been the lower-risk option at 2.30%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MFSV or CSTK?

Over the 1-year period, CSTK has performed better with a 26.71% return vs 12.83%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MFSV or CSTK?

CSTK is cheaper with a 0.35% expense ratio, compared with 0.44% for MFSV.

Which ETF pays a higher dividend yield, MFSV or CSTK?

CSTK has the higher dividend yield at 1.77%, compared with 1.51% for MFSV.

What is the main difference between MFSV and CSTK?

They also come from different issuers: MFS and Invesco. Their fees differ too: 0.44% for MFSV and 0.35% for CSTK.

Which has better risk-adjusted returns?

CSTK currently has the higher Sharpe Ratio (2.38 vs 1.26), 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.