CPNS vs. IBID

Last updated Jun 23, 2026

CPNS (Calamos Nasdaq-100 Structured Alt Protection ETF - September) and IBID (iShares iBonds Oct 2027 Term TIPS ETF) are both exchange-traded funds - CPNS is a Defined Outcome fund tracking the MerQube Cap Protect US Large Cap Tech PR Index - Sep, while IBID is a Inflation-Protected Bonds fund tracking the ICE 2027 Maturity US Inflation-Linked Treasury Index. Both are passively managed. Over the past year, CPNS returned 7.68% vs 4.04% for IBID. At a correlation of -0.12, they often move in opposite directions. CPNS charges 0.69%/yr vs 0.10%/yr for IBID.

Performance

CPNS vs. IBID - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CPNS achieves a 3.23% return, which is significantly higher than IBID's 1.99% return.

CPNS

• 1D: 0.05%
• 1M: 0.34%
• YTD: 3.23%
• 6M: 3.17%
• 1Y: 7.68%
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBID

• 1D: 0.00%
• 1M: -0.19%
• YTD: 1.99%
• 6M: 2.08%
• 1Y: 4.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CPNS vs. IBID - Yearly Performance Comparison

	2026 (YTD)	2025	2024
CPNS Calamos Nasdaq-100 Structured Alt Protection ETF - September	3.23%	7.25%	1.93%
IBID iShares iBonds Oct 2027 Term TIPS ETF	1.99%	5.66%	0.98%

Correlation

The correlation between CPNS and IBID is -0.16, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.16
Correlation (All Time) Calculated using the full available price history since Sep 3, 2024	-0.12

Return for Risk

CPNS vs. IBID — Risk / Return Rank

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

CPNS

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

IBID

IBID Risk / Return Rank: 95
IBID Sharpe Ratio Rank: 93
IBID Sortino Ratio Rank: 96
IBID Omega Ratio Rank: 96
IBID Calmar Ratio Rank: 96
IBID 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.

CPNS vs. IBID - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). 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.

	CPNS	IBID	Difference
Sharpe ratio: Return per unit of total volatility	3.63	3.29	+0.34
Sortino ratio: Return per unit of downside risk	5.57	5.55	+0.02
Omega ratio: Gain probability vs. loss probability	1.81	1.75	+0.06
Calmar ratio: Return relative to maximum drawdown	5.87	8.22	-2.35
Martin ratio: Return relative to average drawdown	31.74	30.99	+0.75

CPNS vs. IBID - Sharpe Ratio Comparison

The current CPNS Sharpe Ratio is 3.63, which is comparable to the IBID Sharpe Ratio of 3.29. The chart below compares the historical Sharpe Ratios of CPNS and IBID, 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

CPNS vs. IBID - Drawdown Comparison

The maximum CPNS drawdown since its inception was -3.99%, which is greater than IBID's maximum drawdown of -1.28%. Use the drawdown chart below to compare losses from any high point for CPNS and IBID.

Drawdown Indicators

	CPNS	IBID	Difference
Max Drawdown Largest peak-to-trough decline	-3.99%	-1.28%	-2.71%
Max Drawdown (1Y) Largest decline over 1 year	-1.31%	-0.49%	-0.82%
Current Drawdown Current decline from peak	-0.01%	-0.49%	+0.48%
Average Drawdown Average peak-to-trough decline	-0.36%	-0.22%	-0.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.24%	0.13%	+0.11%

Volatility

CPNS vs. IBID - Volatility Comparison

Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) has a higher volatility of 0.56% compared to iShares iBonds Oct 2027 Term TIPS ETF (IBID) at 0.35%. This indicates that CPNS's price experiences larger fluctuations and is considered to be riskier than IBID based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CPNS	IBID	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.56%	0.35%	+0.21%
Volatility (6M) Calculated over the trailing 6-month period	1.75%	0.86%	+0.89%
Volatility (1Y) Calculated over the trailing 1-year period	2.13%	1.23%	+0.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.51%	2.24%	+1.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.51%	2.24%	+1.27%

CPNS vs. IBID - Expense Ratio Comparison

CPNS has a 0.69% expense ratio, which is higher than IBID's 0.10% expense ratio.

Dividends

CPNS vs. IBID - Dividend Comparison

CPNS has not paid dividends to shareholders, while IBID's dividend yield for the trailing twelve months is around 3.68%.

Position	TTM	2025	2024	2023
CPNS Calamos Nasdaq-100 Structured Alt Protection ETF - September	0.00%	0.00%	0.00%	0.00%
IBID iShares iBonds Oct 2027 Term TIPS ETF	3.68%	4.43%	4.24%	0.81%

Frequently Asked Questions

Can I hold both CPNS and IBID in my portfolio?

CPNS and IBID have a correlation of -0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CPNS or IBID?

CPNS has higher volatility (0.56%) compared to IBID (0.35%). In terms of maximum drawdown, CPNS dropped -3.99% vs IBID's -1.28%.

Which ETF is better, CPNS or IBID?

On 1-year performance, CPNS leads with 7.68% vs 4.04% for IBID. On fees, IBID is cheaper at 0.10% per year. On volatility, IBID has been the lower-risk option at 0.35%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CPNS or IBID?

Over the 1-year period, CPNS has performed better with a 7.68% return vs 4.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CPNS or IBID?

IBID is cheaper with a 0.10% expense ratio, compared with 0.69% for CPNS.

Which ETF pays a higher dividend yield, CPNS or IBID?

IBID has the higher dividend yield at 3.68%, compared with 0.00% for CPNS.

What is the main difference between CPNS and IBID?

CPNS is categorized as Defined Outcome, while IBID is Inflation-Protected Bonds. CPNS tracks MerQube Cap Protect US Large Cap Tech PR Index - Sep, while IBID tracks ICE 2027 Maturity US Inflation-Linked Treasury Index. They also come from different issuers: Calamos and iShares. Their fees differ too: 0.69% for CPNS and 0.10% for IBID.

Which has better risk-adjusted returns?

CPNS currently has the higher Sharpe Ratio (3.63 vs 3.29), 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.