FB vs. CPSP

Last updated Jun 27, 2026

FB (ProShares S&P 500 Dynamic Daily Buffer ETF) and CPSP (Calamos S&P 500 Structured Alt Protection ETF - April) are both exchange-traded funds - FB is a Defined Outcome fund tracking the S&P 500, while CPSP is a S&P 500 fund actively managed by Calamos. FB is passively managed, while CPSP is actively managed. Over the past year, FB returned 11.37% vs 6.17% for CPSP. A 0.55 correlation means they provide meaningful diversification when combined. FB charges 0.58%/yr vs 0.69%/yr for CPSP.

Performance

FB vs. CPSP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares S&P 500 Dynamic Daily Buffer ETF (FB) and Calamos S&P 500 Structured Alt Protection ETF - April (CPSP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FB achieves a 5.25% return, which is significantly higher than CPSP's 3.05% return.

FB

• 1D: -0.21%
• 1M: -0.73%
• YTD: 5.25%
• 6M: 5.14%
• 1Y: 11.37%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CPSP

• 1D: 0.00%
• 1M: -0.09%
• YTD: 3.05%
• 6M: 3.05%
• 1Y: 6.17%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

FB vs. CPSP - Yearly Performance Comparison

	2026 (YTD)	2025
FB ProShares S&P 500 Dynamic Daily Buffer ETF	5.25%	6.10%
CPSP Calamos S&P 500 Structured Alt Protection ETF - April	3.05%	3.25%

Correlation

The correlation between FB and CPSP is 0.57, 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	0.57
Correlation (All Time) Calculated using the full available price history since Jun 26, 2025	0.55

The correlation between FB and CPSP has been stable across timeframes, ranging from 0.55 to 0.57 - a consistent structural relationship.

Return for Risk

FB vs. CPSP — Risk / Return Rank

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

FB

FB Risk / Return Rank: 93
FB Sharpe Ratio Rank: 88
FB Sortino Ratio Rank: 92
FB Omega Ratio Rank: 93
FB Calmar Ratio Rank: 95
FB Martin Ratio Rank: 95

CPSP

CPSP Risk / Return Rank: 98
CPSP Sharpe Ratio Rank: 98
CPSP Sortino Ratio Rank: 98
CPSP Omega Ratio Rank: 98
CPSP Calmar Ratio Rank: 99
CPSP Martin Ratio Rank: 99

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.

FB vs. CPSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares S&P 500 Dynamic Daily Buffer ETF (FB) and Calamos S&P 500 Structured Alt Protection ETF - April (CPSP). 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.

	FB	CPSP	Difference
Sharpe ratio: Return per unit of total volatility	2.49	4.69	-2.20
Sortino ratio: Return per unit of downside risk	3.76	8.72	-4.97
Omega ratio: Gain probability vs. loss probability	1.54	2.15	-0.61
Calmar ratio: Return relative to maximum drawdown	7.04	16.75	-9.71
Martin ratio: Return relative to average drawdown	25.23	73.92	-48.69

FB vs. CPSP - Sharpe Ratio Comparison

The current FB Sharpe Ratio is 2.49, which is lower than the CPSP Sharpe Ratio of 4.69. The chart below compares the historical Sharpe Ratios of FB and CPSP, 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

FB vs. CPSP - Drawdown Comparison

The maximum FB drawdown since its inception was -1.76%, roughly equal to the maximum CPSP drawdown of -1.73%. Use the drawdown chart below to compare losses from any high point for FB and CPSP.

Drawdown Indicators

	FB	CPSP	Difference
Max Drawdown Largest peak-to-trough decline	-1.76%	-1.73%	-0.03%
Max Drawdown (1Y) Largest decline over 1 year	-1.76%	-0.37%	-1.39%
Current Drawdown Current decline from peak	-0.89%	-0.24%	-0.65%
Average Drawdown Average peak-to-trough decline	-0.33%	-0.09%	-0.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.49%	0.08%	+0.41%

Volatility

FB vs. CPSP - Volatility Comparison

ProShares S&P 500 Dynamic Daily Buffer ETF (FB) has a higher volatility of 2.11% compared to Calamos S&P 500 Structured Alt Protection ETF - April (CPSP) at 0.36%. This indicates that FB's price experiences larger fluctuations and is considered to be riskier than CPSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FB	CPSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.11%	0.36%	+1.75%
Volatility (6M) Calculated over the trailing 6-month period	3.56%	0.86%	+2.70%
Volatility (1Y) Calculated over the trailing 1-year period	5.00%	1.34%	+3.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.00%	2.37%	+2.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.00%	2.37%	+2.63%

FB vs. CPSP - Expense Ratio Comparison

FB has a 0.58% expense ratio, which is lower than CPSP's 0.69% expense ratio.

Dividends

FB vs. CPSP - Dividend Comparison

FB's dividend yield for the trailing twelve months is around 2.02%, while CPSP has not paid dividends to shareholders.

Position	TTM	2025
CPSP Calamos S&P 500 Structured Alt Protection ETF - April	0.00%	0.00%
FB ProShares S&P 500 Dynamic Daily Buffer ETF	2.02%	0.92%

Frequently Asked Questions

Can I hold both FB and CPSP in my portfolio?

FB and CPSP have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FB or CPSP?

FB has higher volatility (2.11%) compared to CPSP (0.36%). In terms of maximum drawdown, FB dropped -1.76% vs CPSP's -1.73%.

Which ETF is better, FB or CPSP?

On 1-year performance, FB leads with 11.37% vs 6.17% for CPSP. On fees, FB is cheaper at 0.58% per year. On volatility, CPSP has been the lower-risk option at 0.36%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FB or CPSP?

Over the 1-year period, FB has performed better with a 11.37% return vs 6.17%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FB or CPSP?

FB is cheaper with a 0.58% expense ratio, compared with 0.69% for CPSP.

Which ETF pays a higher dividend yield, FB or CPSP?

FB has the higher dividend yield at 2.02%, compared with 0.00% for CPSP.

What is the main difference between FB and CPSP?

FB is categorized as Defined Outcome, while CPSP is S&P 500. They also come from different issuers: ProShares and Calamos. Their fees differ too: 0.58% for FB and 0.69% for CPSP.

Which has better risk-adjusted returns?

CPSP currently has the higher Sharpe Ratio (4.69 vs 2.49), 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.