CDEI vs. DMAY

Last updated Jun 4, 2026

CDEI (Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF) and DMAY (FT Cboe Vest U.S. Equity Deep Buffer ETF - May) are both Large Cap Blend Equities funds - CDEI tracks the Russell 1000 Index while DMAY tracks the Cboe S&P 500 30% (-5% to -35%) Buffer Protect May Series Index. Both are passively managed. Over the past 3 years, CDEI returned 19.04%/yr vs 11.96%/yr for DMAY. Their correlation of 0.91 suggests significant overlap in exposure. CDEI charges 0.14%/yr vs 0.85%/yr for DMAY.

Performance

CDEI vs. DMAY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF (CDEI) and FT Cboe Vest U.S. Equity Deep Buffer ETF - May (DMAY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CDEI achieves a 8.69% return, which is significantly higher than DMAY's 4.42% return.

CDEI

• 1D: -1.07%
• 1M: 4.21%
• YTD: 8.69%
• 6M: 8.86%
• 1Y: 26.09%
• 3Y*: 19.04%
• 5Y*: —
• 10Y*: —

DMAY

• 1D: -0.30%
• 1M: 1.30%
• YTD: 4.42%
• 6M: 5.19%
• 1Y: 12.37%
• 3Y*: 11.96%
• 5Y*: 7.16%
• 10Y*: —

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

CDEI vs. DMAY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
CDEI Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF	8.69%	16.60%	18.67%	20.47%
DMAY FT Cboe Vest U.S. Equity Deep Buffer ETF - May	4.42%	11.05%	12.82%	10.60%

Correlation

The correlation between CDEI and DMAY is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (All Time) Calculated using the full available price history since Feb 2, 2023	0.91

The correlation between CDEI and DMAY has been stable across timeframes, ranging from 0.89 to 0.91 - a consistent structural relationship.

CDEI vs. DMAY - Sectors Allocation Comparison

Sectors	CDEI	DMAY
Technology	40.9%	36.2%
Financial Services	15.6%	11.9%
Communication Services	12.3%	10.9%
Healthcare	9.8%	8.4%
Consumer Cyclical	6.5%	10.1%
Industrials	5.2%	8.1%
Consumer Defensive	4.9%	4.9%
Utilities	2.3%	2.3%
Real Estate	1.6%	1.9%
Energy	0.5%	3.5%
Basic Materials	0.3%	1.8%

Return for Risk

CDEI vs. DMAY — Risk / Return Rank

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

CDEI

CDEI Risk / Return Rank: 63
CDEI Sharpe Ratio Rank: 66
CDEI Sortino Ratio Rank: 66
CDEI Omega Ratio Rank: 63
CDEI Calmar Ratio Rank: 54
CDEI Martin Ratio Rank: 64

DMAY

DMAY Risk / Return Rank: 85
DMAY Sharpe Ratio Rank: 82
DMAY Sortino Ratio Rank: 88
DMAY Omega Ratio Rank: 91
DMAY Calmar Ratio Rank: 75
DMAY Martin Ratio Rank: 92

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.

CDEI vs. DMAY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF (CDEI) and FT Cboe Vest U.S. Equity Deep Buffer ETF - May (DMAY). 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.

	CDEI	DMAY	Difference
Sharpe ratio Return per unit of total volatility	2.18	2.65	-0.47
Sortino ratio Return per unit of downside risk	3.02	4.00	-0.98
Omega ratio Gain probability vs. loss probability	1.38	1.60	-0.22
Calmar ratio Return relative to maximum drawdown	2.65	3.73	-1.08
Martin ratio Return relative to average drawdown	11.52	22.76	-11.24
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CDEI vs. DMAY - Sharpe Ratio Comparison

The current CDEI Sharpe Ratio is 2.18, which is comparable to the DMAY Sharpe Ratio of 2.65. The chart below compares the historical Sharpe Ratios of CDEI and DMAY, 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

	CDEI	DMAY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.18	2.65	-0.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.80	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.31	0.88	+0.43

Drawdowns

CDEI vs. DMAY - Drawdown Comparison

The maximum CDEI drawdown since its inception was -19.46%, which is greater than DMAY's maximum drawdown of -13.90%. Use the drawdown chart below to compare losses from any high point for CDEI and DMAY.

Drawdown Indicators

	CDEI	DMAY	Difference
Max Drawdown Largest peak-to-trough decline	-19.46%	-13.90%	-5.56%
Max Drawdown (1Y) Largest decline over 1 year	-9.88%	-3.36%	-6.52%
Max Drawdown (3Y) Largest decline over 3 years	-19.46%	-12.38%	-7.08%
Max Drawdown (5Y) Largest decline over 5 years	—	-13.90%	—
Current Drawdown Current decline from peak	-1.18%	-0.30%	-0.88%
Average Drawdown Average peak-to-trough decline	-2.28%	-2.24%	-0.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.27%	0.55%	+1.72%

Volatility

CDEI vs. DMAY - Volatility Comparison

Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF (CDEI) has a higher volatility of 3.00% compared to FT Cboe Vest U.S. Equity Deep Buffer ETF - May (DMAY) at 0.84%. This indicates that CDEI's price experiences larger fluctuations and is considered to be riskier than DMAY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CDEI	DMAY	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.00%	0.84%	+2.16%
Volatility (6M) Calculated over the trailing 6-month period	9.19%	3.74%	+5.45%
Volatility (1Y) Calculated over the trailing 1-year period	12.05%	4.73%	+7.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.02%	9.02%	+6.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.02%	8.43%	+6.59%

CDEI vs. DMAY - Expense Ratio Comparison

CDEI has a 0.14% expense ratio, which is lower than DMAY's 0.85% expense ratio.

Dividends

CDEI vs. DMAY - Dividend Comparison

CDEI's dividend yield for the trailing twelve months is around 0.97%, while DMAY has not paid dividends to shareholders.

Position	TTM	2025	2024	2023
CDEI Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF	0.97%	1.05%	1.22%	1.16%
DMAY FT Cboe Vest U.S. Equity Deep Buffer ETF - May	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CDEI and DMAY in my portfolio?

CDEI and DMAY have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CDEI or DMAY?

CDEI has higher volatility (3.00%) compared to DMAY (0.84%). In terms of maximum drawdown, CDEI dropped -19.46% vs DMAY's -13.90%.

Which ETF is better, CDEI or DMAY?

On 3-year performance, CDEI leads with 19.04% vs 11.96% for DMAY. On fees, CDEI is cheaper at 0.14% per year. On volatility, DMAY has been the lower-risk option at 0.84%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CDEI or DMAY?

Over the 3-year period, CDEI has performed better with a 19.04% return vs 11.96%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CDEI or DMAY?

CDEI is cheaper with a 0.14% expense ratio, compared with 0.85% for DMAY.

Which ETF pays a higher dividend yield, CDEI or DMAY?

CDEI has the higher dividend yield at 0.97%, compared with 0.00% for DMAY.

What is the main difference between CDEI and DMAY?

CDEI tracks Russell 1000 Index, while DMAY tracks Cboe S&P 500 30% (-5% to -35%) Buffer Protect May Series Index. They also come from different issuers: Calvert and First Trust. Their fees differ too: 0.14% for CDEI and 0.85% for DMAY.

Which has better risk-adjusted returns?

DMAY currently has the higher Sharpe Ratio (2.65 vs 2.18), 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.