PFFD vs. CWB

Last updated Jun 4, 2026

PFFD (Global X U.S. Preferred ETF) and CWB (SPDR Bloomberg Barclays Convertible Securities ETF) are both Preferred Stock/Convertible Bonds funds - PFFD tracks the ICE BofAML Diversified Core U.S. Preferred Securities Index while CWB tracks the Bloomberg US Convertibles Liquid Bond. Both are passively managed. Over the past 5 years, PFFD returned -0.16%/yr vs 7.54%/yr for CWB. A 0.51 correlation means they provide meaningful diversification when combined. PFFD charges 0.23%/yr vs 0.40%/yr for CWB.

Performance

PFFD vs. CWB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X U.S. Preferred ETF (PFFD) and SPDR Bloomberg Barclays Convertible Securities ETF (CWB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PFFD achieves a 2.29% return, which is significantly lower than CWB's 23.48% return.

PFFD

• 1D: -0.58%
• 1M: 0.16%
• YTD: 2.29%
• 6M: 2.67%
• 1Y: 7.65%
• 3Y*: 5.10%
• 5Y*: -0.16%
• 10Y*: —

CWB

• 1D: -1.16%
• 1M: 7.03%
• YTD: 23.48%
• 6M: 22.61%
• 1Y: 38.47%
• 3Y*: 19.67%
• 5Y*: 7.54%
• 10Y*: 12.92%

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

PFFD vs. CWB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PFFD Global X U.S. Preferred ETF	2.29%	3.22%	7.07%	6.85%	-20.20%	5.07%	8.90%	17.43%	-3.94%	0.85%
CWB SPDR Bloomberg Barclays Convertible Securities ETF	23.48%	16.61%	10.06%	14.49%	-20.81%	2.18%	53.39%	22.39%	-2.00%	0.82%

Correlation

The correlation between PFFD and CWB 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 (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.57
Correlation (All Time) Calculated using the full available price history since Sep 14, 2017	0.51

The correlation between PFFD and CWB has been stable across timeframes, ranging from 0.51 to 0.57 - a consistent structural relationship.

PFFD vs. CWB - Sectors Allocation Comparison

Sectors	PFFD	CWB
Financial Services	59.1%	-
Utilities	15.3%	89.4%
Technology	6.3%	6.0%
Industrials	5.4%	4.6%
Communication Services	4.4%	0.1%
Real Estate	4.0%	-
Basic Materials	3.0%	-
Consumer Cyclical	1.6%	0.6%
Healthcare	0.8%	8.8%
Consumer Defensive	-	-
Energy	-	-

Return for Risk

PFFD vs. CWB — Risk / Return Rank

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

PFFD

PFFD Risk / Return Rank: 27
PFFD Sharpe Ratio Rank: 29
PFFD Sortino Ratio Rank: 28
PFFD Omega Ratio Rank: 27
PFFD Calmar Ratio Rank: 26
PFFD Martin Ratio Rank: 27

CWB

CWB Risk / Return Rank: 83
CWB Sharpe Ratio Rank: 83
CWB Sortino Ratio Rank: 80
CWB Omega Ratio Rank: 80
CWB Calmar Ratio Rank: 88
CWB Martin Ratio Rank: 86

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.

PFFD vs. CWB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X U.S. Preferred ETF (PFFD) and SPDR Bloomberg Barclays Convertible Securities ETF (CWB). 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.

	PFFD	CWB	Difference
Sharpe ratio: Return per unit of total volatility	1.07	2.74	-1.67
Sortino ratio: Return per unit of downside risk	1.55	3.63	-2.08
Omega ratio: Gain probability vs. loss probability	1.19	1.49	-0.30
Calmar ratio: Return relative to maximum drawdown	1.29	5.14	-3.85
Martin ratio: Return relative to average drawdown	3.81	18.58	-14.76
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PFFD vs. CWB - Sharpe Ratio Comparison

The current PFFD Sharpe Ratio is 1.07, which is lower than the CWB Sharpe Ratio of 2.74. The chart below compares the historical Sharpe Ratios of PFFD and CWB, 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

	PFFD	CWB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.07	2.74	-1.67
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.01	0.59	-0.60
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.90	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	0.92	-0.71

Drawdowns

PFFD vs. CWB - Drawdown Comparison

The maximum PFFD drawdown since its inception was -30.93%, roughly equal to the maximum CWB drawdown of -32.06%. Use the drawdown chart below to compare losses from any high point for PFFD and CWB.

Drawdown Indicators

	PFFD	CWB	Difference
Max Drawdown Largest peak-to-trough decline	-30.93%	-32.06%	+1.13%
Max Drawdown (1Y) Largest decline over 1 year	-5.97%	-7.52%	+1.55%
Max Drawdown (3Y) Largest decline over 3 years	-10.84%	-11.92%	+1.08%
Max Drawdown (5Y) Largest decline over 5 years	-24.45%	-28.41%	+3.96%
Max Drawdown (10Y) Largest decline over 10 years	—	-32.06%	—
Current Drawdown Current decline from peak	-3.68%	-1.16%	-2.52%
Average Drawdown Average peak-to-trough decline	-6.59%	-6.17%	-0.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.01%	2.08%	-0.07%

Volatility

PFFD vs. CWB - Volatility Comparison

The current volatility for Global X U.S. Preferred ETF (PFFD) is 2.09%, while SPDR Bloomberg Barclays Convertible Securities ETF (CWB) has a volatility of 5.33%. This indicates that PFFD experiences smaller price fluctuations and is considered to be less risky than CWB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PFFD	CWB	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.09%	5.33%	-3.24%
Volatility (6M) Calculated over the trailing 6-month period	5.32%	11.43%	-6.11%
Volatility (1Y) Calculated over the trailing 1-year period	7.19%	14.10%	-6.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.98%	12.95%	-1.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.76%	14.47%	-1.71%

PFFD vs. CWB - Expense Ratio Comparison

PFFD has a 0.23% expense ratio, which is lower than CWB's 0.40% expense ratio.

Dividends

PFFD vs. CWB - Dividend Comparison

PFFD's dividend yield for the trailing twelve months is around 6.37%, more than CWB's 1.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CWB SPDR Bloomberg Barclays Convertible Securities ETF	1.35%	1.69%	1.85%	1.97%	2.21%	1.97%	2.34%	3.03%	6.17%	4.25%	4.60%	7.52%
PFFD Global X U.S. Preferred ETF	6.37%	6.37%	6.42%	6.49%	6.63%	5.09%	5.17%	5.48%	6.21%	1.94%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PFFD and CWB in my portfolio?

PFFD and CWB 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, PFFD or CWB?

CWB has higher volatility (5.33%) compared to PFFD (2.09%). In terms of maximum drawdown, PFFD dropped -30.93% vs CWB's -32.06%.

Which ETF is better, PFFD or CWB?

On 5-year performance, CWB leads with 7.54% vs -0.16% for PFFD. On fees, PFFD is cheaper at 0.23% per year. On volatility, PFFD has been the lower-risk option at 2.09%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PFFD or CWB?

Over the 5-year period, CWB has performed better with a 7.54% return vs -0.16%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PFFD or CWB?

PFFD is cheaper with a 0.23% expense ratio, compared with 0.40% for CWB.

Which ETF pays a higher dividend yield, PFFD or CWB?

PFFD has the higher dividend yield at 6.37%, compared with 1.35% for CWB.

What is the main difference between PFFD and CWB?

PFFD tracks ICE BofAML Diversified Core U.S. Preferred Securities Index, while CWB tracks Bloomberg US Convertibles Liquid Bond. They also come from different issuers: Global X and State Street. Their fees differ too: 0.23% for PFFD and 0.40% for CWB.

Which has better risk-adjusted returns?

CWB currently has the higher Sharpe Ratio (2.74 vs 1.07), 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.