CBTL vs. PMMY

Last updated Jun 24, 2026

CBTL (Calamos Laddered Bitcoin Structured Alt Protection ETF) and PMMY (PGIM S&P 500 Max Buffer ETF - May) are both Defined Outcome funds. Both are actively managed. At a 0.39 correlation, their price movements are largely independent. CBTL charges 0.79%/yr vs 0.50%/yr for PMMY.

Performance

CBTL vs. PMMY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Laddered Bitcoin Structured Alt Protection ETF (CBTL) and PGIM S&P 500 Max Buffer ETF - May (PMMY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CBTL achieves a -15.74% return, which is significantly lower than PMMY's 1.89% return.

CBTL

• 1D: -0.84%
• 1M: -5.05%
• YTD: -15.74%
• 6M: -16.01%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

PMMY

• 1D: -0.15%
• 1M: -0.09%
• YTD: 1.89%
• 6M: 1.97%
• 1Y: 5.24%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CBTL vs. PMMY - Yearly Performance Comparison

	2026 (YTD)	2025
CBTL Calamos Laddered Bitcoin Structured Alt Protection ETF	-15.74%	-14.09%
PMMY PGIM S&P 500 Max Buffer ETF - May	1.89%	1.24%

Correlation

The correlation between CBTL and PMMY is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 14, 2025	0.39

Return for Risk

CBTL vs. PMMY — Risk / Return Rank

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

CBTL

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

PMMY

PMMY Risk / Return Rank: 97
PMMY Sharpe Ratio Rank: 97
PMMY Sortino Ratio Rank: 97
PMMY Omega Ratio Rank: 98
PMMY Calmar Ratio Rank: 96
PMMY Martin Ratio Rank: 98

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.

CBTL vs. PMMY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Laddered Bitcoin Structured Alt Protection ETF (CBTL) and PGIM S&P 500 Max Buffer ETF - May (PMMY). 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.

	CBTL	PMMY	Difference
Sharpe ratio: Return per unit of total volatility	—	4.08	—
Sortino ratio: Return per unit of downside risk	—	6.25	—
Omega ratio: Gain probability vs. loss probability	—	2.03	—
Calmar ratio: Return relative to maximum drawdown	—	8.82	—
Martin ratio: Return relative to average drawdown	—	55.73	—

Drawdowns

CBTL vs. PMMY - Drawdown Comparison

The maximum CBTL drawdown since its inception was -28.94%, which is greater than PMMY's maximum drawdown of -0.60%. Use the drawdown chart below to compare losses from any high point for CBTL and PMMY.

Drawdown Indicators

	CBTL	PMMY	Difference
Max Drawdown Largest peak-to-trough decline	-28.94%	-0.60%	-28.34%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.60%	—
Current Drawdown Current decline from peak	-28.64%	-0.35%	-28.29%
Average Drawdown Average peak-to-trough decline	-18.91%	-0.05%	-18.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.09%	—

Volatility

Volatility by Period

	CBTL	PMMY	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.70%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.10%	—
Volatility (1Y) Calculated over the trailing 1-year period	21.69%	1.30%	+20.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.69%	1.51%	+20.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.69%	1.51%	+20.18%

CBTL vs. PMMY - Expense Ratio Comparison

CBTL has a 0.79% expense ratio, which is higher than PMMY's 0.50% expense ratio.

Dividends

CBTL vs. PMMY - Dividend Comparison

CBTL's dividend yield for the trailing twelve months is around 1.16%, while PMMY has not paid dividends to shareholders.

Position	TTM	2025
CBTL Calamos Laddered Bitcoin Structured Alt Protection ETF	1.16%	0.98%
PMMY PGIM S&P 500 Max Buffer ETF - May	0.00%	0.00%

Frequently Asked Questions

Can I hold both CBTL and PMMY in my portfolio?

CBTL and PMMY have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CBTL or PMMY?

On fees, PMMY is cheaper at 0.50% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CBTL or PMMY?

PMMY is cheaper with a 0.50% expense ratio, compared with 0.79% for CBTL.

Which ETF pays a higher dividend yield, CBTL or PMMY?

CBTL has the higher dividend yield at 1.16%, compared with 0.00% for PMMY.

What is the main difference between CBTL and PMMY?

They also come from different issuers: Calamos and PGIM. Their fees differ too: 0.79% for CBTL and 0.50% for PMMY.