LJUL vs. CPSP

Last updated Jun 5, 2026

LJUL (Innovator Premium Income 15 Buffer ETF - July) and CPSP (Calamos S&P 500 Structured Alt Protection ETF - April) are both exchange-traded funds - LJUL is a Defined Outcome fund actively managed by Innovator, while CPSP is a S&P 500 fund actively managed by Calamos. Both are actively managed. Over the past year, LJUL returned 5.58% vs 7.29% for CPSP. A 0.55 correlation means they provide meaningful diversification when combined. LJUL charges 0.79%/yr vs 0.69%/yr for CPSP.

Performance

LJUL vs. CPSP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator Premium Income 15 Buffer ETF - July (LJUL) 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, LJUL achieves a 1.89% return, which is significantly lower than CPSP's 3.30% return.

LJUL

• 1D: 0.08%
• 1M: 0.33%
• YTD: 1.89%
• 6M: 2.35%
• 1Y: 5.58%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CPSP

• 1D: 0.11%
• 1M: 0.62%
• YTD: 3.30%
• 6M: 3.76%
• 1Y: 7.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

LJUL vs. CPSP - Yearly Performance Comparison

	2026 (YTD)	2025
LJUL Innovator Premium Income 15 Buffer ETF - July	1.89%	4.78%
CPSP Calamos S&P 500 Structured Alt Protection ETF - April	3.30%	5.46%

Correlation

The correlation between LJUL and CPSP is 0.54, 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	0.54
Correlation (All Time) Calculated using the full available price history since Apr 2, 2025	0.55

The correlation between LJUL and CPSP has been stable across timeframes, ranging from 0.54 to 0.55 - a consistent structural relationship.

Return for Risk

LJUL vs. CPSP — Risk / Return Rank

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

LJUL

LJUL Risk / Return Rank: 96
LJUL Sharpe Ratio Rank: 94
LJUL Sortino Ratio Rank: 96
LJUL Omega Ratio Rank: 97
LJUL Calmar Ratio Rank: 97
LJUL Martin Ratio Rank: 98

CPSP

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

LJUL vs. CPSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator Premium Income 15 Buffer ETF - July (LJUL) 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.

	LJUL	CPSP	Difference
Sharpe ratio: Return per unit of total volatility	3.53	5.19	-1.66
Sortino ratio: Return per unit of downside risk	5.79	9.37	-3.58
Omega ratio: Gain probability vs. loss probability	1.87	2.35	-0.48
Calmar ratio: Return relative to maximum drawdown	10.68	19.55	-8.87
Martin ratio: Return relative to average drawdown	53.88	98.60	-44.71
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LJUL vs. CPSP - Sharpe Ratio Comparison

The current LJUL Sharpe Ratio is 3.53, which is lower than the CPSP Sharpe Ratio of 5.19. The chart below compares the historical Sharpe Ratios of LJUL 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.

Sharpe Ratios by Period

	LJUL	CPSP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.53	5.19	-1.66
Sharpe Ratio (All Time) Calculated using the full available price history	1.79	3.21	-1.41

Drawdowns

LJUL vs. CPSP - Drawdown Comparison

The maximum LJUL drawdown since its inception was -3.21%, which is greater than CPSP's maximum drawdown of -1.73%. Use the drawdown chart below to compare losses from any high point for LJUL and CPSP.

Drawdown Indicators

	LJUL	CPSP	Difference
Max Drawdown Largest peak-to-trough decline	-3.21%	-1.73%	-1.48%
Max Drawdown (1Y) Largest decline over 1 year	-0.52%	-0.37%	-0.15%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.12%	-0.08%	-0.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.10%	0.07%	+0.03%

Volatility

LJUL vs. CPSP - Volatility Comparison

The current volatility for Innovator Premium Income 15 Buffer ETF - July (LJUL) is 0.23%, while Calamos S&P 500 Structured Alt Protection ETF - April (CPSP) has a volatility of 0.33%. This indicates that LJUL experiences smaller price fluctuations and is considered to be less risky than CPSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LJUL	CPSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.23%	0.33%	-0.10%
Volatility (6M) Calculated over the trailing 6-month period	1.06%	0.84%	+0.22%
Volatility (1Y) Calculated over the trailing 1-year period	1.58%	1.41%	+0.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.25%	2.37%	+0.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.25%	2.37%	+0.88%

LJUL vs. CPSP - Expense Ratio Comparison

LJUL has a 0.79% expense ratio, which is higher than CPSP's 0.69% expense ratio.

Dividends

LJUL vs. CPSP - Dividend Comparison

LJUL's dividend yield for the trailing twelve months is around 5.22%, while CPSP has not paid dividends to shareholders.

Position	TTM	2025	2024
CPSP Calamos S&P 500 Structured Alt Protection ETF - April	0.00%	0.00%	0.00%
LJUL Innovator Premium Income 15 Buffer ETF - July	5.22%	5.36%	2.78%

Frequently Asked Questions

Can I hold both LJUL and CPSP in my portfolio?

LJUL and CPSP have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LJUL or CPSP?

CPSP has higher volatility (0.33%) compared to LJUL (0.23%). In terms of maximum drawdown, LJUL dropped -3.21% vs CPSP's -1.73%.

Which ETF is better, LJUL or CPSP?

On 1-year performance, CPSP leads with 7.29% vs 5.58% for LJUL. On fees, CPSP is cheaper at 0.69% per year. On volatility, LJUL has been the lower-risk option at 0.23%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, LJUL or CPSP?

Over the 1-year period, CPSP has performed better with a 7.29% return vs 5.58%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, LJUL or CPSP?

CPSP is cheaper with a 0.69% expense ratio, compared with 0.79% for LJUL.

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

LJUL has the higher dividend yield at 5.22%, compared with 0.00% for CPSP.

What is the main difference between LJUL and CPSP?

LJUL is categorized as Defined Outcome, while CPSP is S&P 500. They also come from different issuers: Innovator and Calamos. Their fees differ too: 0.79% for LJUL and 0.69% for CPSP.

Which has better risk-adjusted returns?

CPSP currently has the higher Sharpe Ratio (5.19 vs 3.53), 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.