SURI vs. CDX

Last updated Aug 4, 2026

SURI (Simplify Propel Opportunities ETF) and CDX (Simplify High Yield ETF) are both exchange-traded funds - SURI is a Health & Biotech Equities fund actively managed by Simplify, while CDX is a High Yield Bonds fund actively managed by Simplify. Both are actively managed. Over the past 3 years, SURI returned 9.52%/yr vs 6.99%/yr for CDX. Their 0.13 correlation means their historical movements had little consistent relationship. SURI charges 2.51%/yr vs 0.25%/yr for CDX.

Performance

SURI vs. CDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Simplify Propel Opportunities ETF (SURI) and Simplify High Yield ETF (CDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SURI achieves a 17.59% return, which is significantly higher than CDX's -3.19% return.

SURI

• 1D: 0.08%
• 1M: 0.52%
• 6M: 17.81%
• YTD: 17.59%
• 1Y: 42.96%
• 3Y*: 9.52%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 7.10%

CDX

• 1D: -0.20%
• 1M: -0.77%
• 6M: -3.15%
• YTD: -3.19%
• 1Y: -3.46%
• 3Y*: 6.99%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 3.80%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CDX Simplify High Yield ETF	$2.40M	$2.26M	$3.02M
SURI Simplify Propel Opportunities ETF	$33.33K	$49.11K	$70.76K

SURI vs. CDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SURI Simplify Propel Opportunities ETF	17.59%	28.32%	-13.34%	-2.87%
CDX Simplify High Yield ETF	-3.19%	9.51%	7.71%	10.51%

Correlation

The correlation between SURI and CDX is 0.11, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.11
Correlation (3Y) Balances recent behavior with more history.	0.12
Correlation (All Time) Calculated using the full available price history since Feb 8, 2023	0.13

Return for Risk

SURI vs. CDX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

SURI

SURI Risk / Return Rank: 78
SURI Sharpe Ratio Rank: 80
SURI Sortino Ratio Rank: 76
SURI Omega Ratio Rank: 74
SURI Calmar Ratio Rank: 87
SURI Martin Ratio Rank: 74

CDX

CDX Risk / Return Rank: 4
CDX Sharpe Ratio Rank: 4
CDX Sortino Ratio Rank: 4
CDX Omega Ratio Rank: 4
CDX Calmar Ratio Rank: 4
CDX Martin Ratio Rank: 0

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

SURI vs. CDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Simplify Propel Opportunities ETF (SURI) and Simplify High Yield ETF (CDX). 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.

	SURI	CDX	Difference
Sharpe ratio: Return per unit of total volatility	1.95	-0.58	+2.53
Sortino ratio: Return per unit of downside risk	2.61	-0.80	+3.41
Omega ratio: Gain probability vs. loss probability	1.33	0.91	+0.42
Calmar ratio: Return relative to maximum drawdown	3.67	-0.65	+4.31
Martin ratio: Return relative to average drawdown	9.75	-1.53	+11.29

SURI vs. CDX - Sharpe Ratio Comparison

The current SURI Sharpe Ratio is 1.95, which is higher than the CDX Sharpe Ratio of -0.58. The chart below compares the historical Sharpe Ratios of SURI and CDX, 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

SURI vs. CDX - Drawdown Comparison

The maximum SURI drawdown since its inception was -47.76%, which is greater than CDX's maximum drawdown of -13.24%. Use the drawdown chart below to compare losses from any high point for SURI and CDX.

Drawdown Indicators

	SURI	CDX	Difference
Max Drawdown Largest peak-to-trough decline	-47.76%	-13.24%	-34.52%
Max Drawdown (1Y) Largest decline over 1 year	-11.78%	-5.37%	-6.41%
Max Drawdown (3Y) Largest decline over 3 years	-47.76%	-8.97%	-38.79%
Current Drawdown Current decline from peak	-8.53%	-8.12%	-0.41%
Average Drawdown Average peak-to-trough decline	-17.07%	-4.44%	-12.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.42%	2.26%	+2.16%

Volatility

SURI vs. CDX - Volatility Comparison

Simplify Propel Opportunities ETF (SURI) has a higher volatility of 4.13% compared to Simplify High Yield ETF (CDX) at 2.02%. This indicates that SURI's price experiences larger fluctuations and is considered to be riskier than CDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SURI	CDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.13%	2.02%	+2.11%
Volatility (6M) Calculated over the trailing 6-month period	14.41%	5.14%	+9.27%
Volatility (1Y) Calculated over the trailing 1-year period	22.20%	5.98%	+16.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.88%	10.96%	+16.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.88%	10.96%	+16.92%

SURI vs. CDX - Expense Ratio Comparison

SURI has a 2.51% expense ratio, which is higher than CDX's 0.25% expense ratio.

Dividends

SURI vs. CDX - Dividend Comparison

SURI's dividend yield for the trailing twelve months is around 15.07%, more than CDX's 8.35% yield.

Position	TTM	2025	2024	2023	2022
CDX Simplify High Yield ETF	8.35%	7.18%	12.60%	5.26%	7.51%
SURI Simplify Propel Opportunities ETF	15.07%	16.31%	21.41%	14.71%	0.00%

Frequently Asked Questions

Can I hold both SURI and CDX in my portfolio?

SURI and CDX have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SURI or CDX?

SURI has higher volatility (4.13%) compared to CDX (2.02%). In terms of maximum drawdown, SURI dropped -47.76% vs CDX's -13.24%.

Which ETF is better, SURI or CDX?

On 3-year performance, SURI leads with 9.52% vs 6.99% for CDX. On fees, CDX is cheaper at 0.25% per year. On volatility, CDX has been the lower-risk option at 2.02%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SURI or CDX?

Over the 3-year period, SURI has performed better with a 9.52% return vs 6.99%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SURI or CDX?

CDX is cheaper with a 0.25% expense ratio, compared with 2.51% for SURI.

Which ETF pays a higher dividend yield, SURI or CDX?

SURI has the higher dividend yield at 15.07%, compared with 8.35% for CDX.

What is the main difference between SURI and CDX?

SURI is categorized as Health & Biotech Equities, while CDX is High Yield Bonds. Their fees differ too: 2.51% for SURI and 0.25% for CDX.

Which has better risk-adjusted returns?

SURI currently has the higher Sharpe Ratio (1.95 vs -0.58), 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.