SPYG vs. CPSU

Last updated Jun 4, 2026

SPYG (State Street SPDR Portfolio S&P 500 Growth ETF) and CPSU (Calamos S&P 500 Structured Alt Protection ETF - June) are both exchange-traded funds - SPYG is a S&P 500 fund tracking the S&P 500 Growth Index, while CPSU is a Defined Outcome fund actively managed by Calamos. SPYG is passively managed, while CPSU is actively managed. Over the past year, SPYG returned 33.95% vs 6.43% for CPSU. A 0.74 correlation means they provide meaningful diversification when combined. SPYG charges 0.04%/yr vs 0.69%/yr for CPSU.

Performance

SPYG vs. CPSU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) and Calamos S&P 500 Structured Alt Protection ETF - June (CPSU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPYG achieves a 13.75% return, which is significantly higher than CPSU's 2.29% return.

SPYG

• 1D: -0.98%
• 1M: 7.38%
• YTD: 13.75%
• 6M: 13.57%
• 1Y: 33.95%
• 3Y*: 28.16%
• 5Y*: 16.07%
• 10Y*: 18.20%

CPSU

• 1D: -0.05%
• 1M: 0.45%
• YTD: 2.29%
• 6M: 2.84%
• 1Y: 6.43%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SPYG vs. CPSU - Yearly Performance Comparison

	2026 (YTD)	2025
SPYG State Street SPDR Portfolio S&P 500 Growth ETF	13.75%	18.56%
CPSU Calamos S&P 500 Structured Alt Protection ETF - June	2.29%	4.15%

Correlation

The correlation between SPYG and CPSU is 0.74, 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	0.74
Correlation (All Time) Calculated using the full available price history since Jun 3, 2025	0.74

The correlation between SPYG and CPSU has been stable across timeframes, ranging from 0.74 to 0.74 - a consistent structural relationship.

Return for Risk

SPYG vs. CPSU — Risk / Return Rank

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

SPYG

SPYG Risk / Return Rank: 57
SPYG Sharpe Ratio Rank: 62
SPYG Sortino Ratio Rank: 60
SPYG Omega Ratio Rank: 59
SPYG Calmar Ratio Rank: 49
SPYG Martin Ratio Rank: 57

CPSU

CPSU Risk / Return Rank: 96
CPSU Sharpe Ratio Rank: 95
CPSU Sortino Ratio Rank: 97
CPSU Omega Ratio Rank: 97
CPSU Calmar Ratio Rank: 92
CPSU Martin Ratio Rank: 97

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.

SPYG vs. CPSU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) and Calamos S&P 500 Structured Alt Protection ETF - June (CPSU). 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.

	SPYG	CPSU	Difference
Sharpe ratio: Return per unit of total volatility	2.12	3.76	-1.63
Sortino ratio: Return per unit of downside risk	2.90	6.32	-3.42
Omega ratio: Gain probability vs. loss probability	1.37	1.97	-0.60
Calmar ratio: Return relative to maximum drawdown	2.48	6.29	-3.81
Martin ratio: Return relative to average drawdown	10.25	42.62	-32.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SPYG vs. CPSU - Sharpe Ratio Comparison

The current SPYG Sharpe Ratio is 2.12, which is lower than the CPSU Sharpe Ratio of 3.76. The chart below compares the historical Sharpe Ratios of SPYG and CPSU, 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

	SPYG	CPSU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.12	3.76	-1.63
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	3.81	-3.45

Drawdowns

SPYG vs. CPSU - Drawdown Comparison

The maximum SPYG drawdown since its inception was -67.63%, which is greater than CPSU's maximum drawdown of -1.03%. Use the drawdown chart below to compare losses from any high point for SPYG and CPSU.

Drawdown Indicators

	SPYG	CPSU	Difference
Max Drawdown Largest peak-to-trough decline	-67.63%	-1.03%	-66.60%
Max Drawdown (1Y) Largest decline over 1 year	-13.76%	-1.03%	-12.73%
Max Drawdown (3Y) Largest decline over 3 years	-22.14%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-32.67%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-32.67%	—	—
Current Drawdown Current decline from peak	-1.13%	-0.15%	-0.98%
Average Drawdown Average peak-to-trough decline	-24.33%	-0.07%	-24.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.32%	0.15%	+3.17%

Volatility

SPYG vs. CPSU - Volatility Comparison

State Street SPDR Portfolio S&P 500 Growth ETF (SPYG) has a higher volatility of 4.35% compared to Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) at 0.29%. This indicates that SPYG's price experiences larger fluctuations and is considered to be riskier than CPSU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPYG	CPSU	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.35%	0.29%	+4.06%
Volatility (6M) Calculated over the trailing 6-month period	12.46%	1.39%	+11.07%
Volatility (1Y) Calculated over the trailing 1-year period	16.06%	1.72%	+14.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.17%	1.72%	+19.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.64%	1.72%	+18.92%

SPYG vs. CPSU - Expense Ratio Comparison

SPYG has a 0.04% expense ratio, which is lower than CPSU's 0.69% expense ratio.

Dividends

SPYG vs. CPSU - Dividend Comparison

SPYG's dividend yield for the trailing twelve months is around 0.47%, while CPSU has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CPSU Calamos S&P 500 Structured Alt Protection ETF - June	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPYG State Street SPDR Portfolio S&P 500 Growth ETF	0.47%	0.52%	0.60%	1.15%	1.03%	0.62%	0.90%	1.37%	1.51%	1.41%	1.55%	1.57%

Frequently Asked Questions

Can I hold both SPYG and CPSU in my portfolio?

SPYG and CPSU have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPYG or CPSU?

SPYG has higher volatility (4.35%) compared to CPSU (0.29%). In terms of maximum drawdown, SPYG dropped -67.63% vs CPSU's -1.03%.

Which ETF is better, SPYG or CPSU?

On 1-year performance, SPYG leads with 33.95% vs 6.43% for CPSU. On fees, SPYG is cheaper at 0.04% per year. On volatility, CPSU has been the lower-risk option at 0.29%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SPYG or CPSU?

Over the 1-year period, SPYG has performed better with a 33.95% return vs 6.43%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SPYG or CPSU?

SPYG is cheaper with a 0.04% expense ratio, compared with 0.69% for CPSU.

Which ETF pays a higher dividend yield, SPYG or CPSU?

SPYG has the higher dividend yield at 0.47%, compared with 0.00% for CPSU.

What is the main difference between SPYG and CPSU?

SPYG is categorized as S&P 500, while CPSU is Defined Outcome. They also come from different issuers: State Street and Calamos. Their fees differ too: 0.04% for SPYG and 0.69% for CPSU.

Which has better risk-adjusted returns?

CPSU currently has the higher Sharpe Ratio (3.76 vs 2.12), 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.