CPSA vs. TMAR

Last updated Jun 24, 2026

CPSA (Calamos S&P 500 Structured Alt Protection ETF - August) and TMAR (FT Vest Emerging Markets Buffer ETF - March) are both Defined Outcome funds - CPSA tracks the MerQube Cap Protect US Lrg Cap PR Index - Aug while TMAR tracks the iShares MSCI Emerging Markets ETF (EEM) Price Return. Both are passively managed. Over the past year, CPSA returned 7.47% vs 24.40% for TMAR. A 0.56 correlation means they provide meaningful diversification when combined. CPSA charges 0.69%/yr vs 0.95%/yr for TMAR.

Performance

CPSA vs. TMAR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) and FT Vest Emerging Markets Buffer ETF - March (TMAR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CPSA achieves a 2.88% return, which is significantly lower than TMAR's 12.46% return.

CPSA

• 1D: -0.13%
• 1M: 0.34%
• YTD: 2.88%
• 6M: 2.86%
• 1Y: 7.47%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TMAR

• 1D: -2.74%
• 1M: 0.06%
• YTD: 12.46%
• 6M: 12.76%
• 1Y: 24.40%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CPSA vs. TMAR - Yearly Performance Comparison

	2026 (YTD)	2025
CPSA Calamos S&P 500 Structured Alt Protection ETF - August	2.88%	7.95%
TMAR FT Vest Emerging Markets Buffer ETF - March	12.46%	15.97%

Correlation

The correlation between CPSA and TMAR is 0.59, 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	0.59
Correlation (All Time) Calculated using the full available price history since Mar 24, 2025	0.56

The correlation between CPSA and TMAR has been stable across timeframes, ranging from 0.56 to 0.59 - a consistent structural relationship.

Return for Risk

CPSA vs. TMAR — Risk / Return Rank

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

CPSA

CPSA Risk / Return Rank: 95
CPSA Sharpe Ratio Rank: 95
CPSA Sortino Ratio Rank: 97
CPSA Omega Ratio Rank: 96
CPSA Calmar Ratio Rank: 90
CPSA Martin Ratio Rank: 95

TMAR

TMAR Risk / Return Rank: 87
TMAR Sharpe Ratio Rank: 78
TMAR Sortino Ratio Rank: 79
TMAR Omega Ratio Rank: 92
TMAR Calmar Ratio Rank: 90
TMAR Martin Ratio Rank: 95

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.

CPSA vs. TMAR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) and FT Vest Emerging Markets Buffer ETF - March (TMAR). 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.

	CPSA	TMAR	Difference
Sharpe ratio: Return per unit of total volatility	3.43	2.25	+1.17
Sortino ratio: Return per unit of downside risk	5.63	3.19	+2.44
Omega ratio: Gain probability vs. loss probability	1.74	1.56	+0.18
Calmar ratio: Return relative to maximum drawdown	5.09	5.22	-0.14
Martin ratio: Return relative to average drawdown	29.08	25.73	+3.35

CPSA vs. TMAR - Sharpe Ratio Comparison

The current CPSA Sharpe Ratio is 3.43, which is higher than the TMAR Sharpe Ratio of 2.25. The chart below compares the historical Sharpe Ratios of CPSA and TMAR, 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

CPSA vs. TMAR - Drawdown Comparison

The maximum CPSA drawdown since its inception was -4.72%, smaller than the maximum TMAR drawdown of -9.93%. Use the drawdown chart below to compare losses from any high point for CPSA and TMAR.

Drawdown Indicators

	CPSA	TMAR	Difference
Max Drawdown Largest peak-to-trough decline	-4.72%	-9.93%	+5.21%
Max Drawdown (1Y) Largest decline over 1 year	-1.47%	-4.69%	+3.22%
Current Drawdown Current decline from peak	-0.13%	-2.74%	+2.61%
Average Drawdown Average peak-to-trough decline	-0.38%	-0.72%	+0.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.26%	0.95%	-0.69%

Volatility

CPSA vs. TMAR - Volatility Comparison

The current volatility for Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) is 0.48%, while FT Vest Emerging Markets Buffer ETF - March (TMAR) has a volatility of 6.23%. This indicates that CPSA experiences smaller price fluctuations and is considered to be less risky than TMAR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CPSA	TMAR	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.48%	6.23%	-5.75%
Volatility (6M) Calculated over the trailing 6-month period	1.74%	9.98%	-8.24%
Volatility (1Y) Calculated over the trailing 1-year period	2.23%	10.91%	-8.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.10%	12.32%	-8.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.10%	12.32%	-8.22%

CPSA vs. TMAR - Expense Ratio Comparison

CPSA has a 0.69% expense ratio, which is lower than TMAR's 0.95% expense ratio.

Dividends

CPSA vs. TMAR - Dividend Comparison

Neither CPSA nor TMAR has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both CPSA and TMAR in my portfolio?

CPSA and TMAR have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CPSA or TMAR?

TMAR has higher volatility (6.23%) compared to CPSA (0.48%). In terms of maximum drawdown, CPSA dropped -4.72% vs TMAR's -9.93%.

Which ETF is better, CPSA or TMAR?

On 1-year performance, TMAR leads with 24.40% vs 7.47% for CPSA. On fees, CPSA is cheaper at 0.69% per year. On volatility, CPSA has been the lower-risk option at 0.48%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CPSA or TMAR?

Over the 1-year period, TMAR has performed better with a 24.40% return vs 7.47%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CPSA or TMAR?

CPSA is cheaper with a 0.69% expense ratio, compared with 0.95% for TMAR.

Which ETF pays a higher dividend yield, CPSA or TMAR?

CPSA and TMAR have nearly identical dividend yields, around 0.00%.

What is the main difference between CPSA and TMAR?

CPSA tracks MerQube Cap Protect US Lrg Cap PR Index - Aug, while TMAR tracks iShares MSCI Emerging Markets ETF (EEM) Price Return. They also come from different issuers: Calamos and First Trust. Their fees differ too: 0.69% for CPSA and 0.95% for TMAR.

Which has better risk-adjusted returns?

CPSA currently has the higher Sharpe Ratio (3.43 vs 2.25), 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.