PGX vs. PREF

Last updated Jun 4, 2026

PGX (Invesco Preferred ETF) and PREF (Principal Spectrum Preferred Secs Active ETF) are both Preferred Stock/Convertible Bonds funds. PGX is passively managed, while PREF is actively managed. Over the past 5 years, PGX returned -0.74%/yr vs 3.07%/yr for PREF. At a 0.36 correlation, their price movements are largely independent. PGX charges 0.52%/yr vs 0.55%/yr for PREF.

Performance

PGX vs. PREF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Preferred ETF (PGX) and Principal Spectrum Preferred Secs Active ETF (PREF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PGX achieves a -0.18% return, which is significantly lower than PREF's 1.65% return.

PGX

• 1D: -0.45%
• 1M: -0.99%
• YTD: -0.18%
• 6M: 0.04%
• 1Y: 5.73%
• 3Y*: 4.24%
• 5Y*: -0.74%
• 10Y*: 2.36%

PREF

• 1D: -0.13%
• 1M: 0.52%
• YTD: 1.65%
• 6M: 2.32%
• 1Y: 6.65%
• 3Y*: 9.25%
• 5Y*: 3.07%
• 10Y*: —

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

PGX vs. PREF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PGX Invesco Preferred ETF	-0.18%	3.48%	6.53%	9.48%	-21.16%	3.15%	7.09%	17.09%	-4.01%	0.59%
PREF Principal Spectrum Preferred Secs Active ETF	1.65%	7.64%	11.43%	7.36%	-11.80%	2.08%	7.52%	17.32%	-5.45%	2.05%

Correlation

The correlation between PGX and PREF is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (3Y) Calculated over the trailing 3-year period	0.37
Correlation (5Y) Calculated over the trailing 5-year period	0.42
Correlation (All Time) Calculated using the full available price history since Jul 27, 2017	0.36

PGX vs. PREF - Sectors Allocation Comparison

Sectors	PGX	PREF
Financial Services	70.9%	100.0%
Utilities	8.2%	-
Real Estate	6.5%	-
Communication Services	6.5%	-
Consumer Cyclical	1.9%	-
Industrials	0.8%	-
Basic Materials	0.1%	-
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	-
Technology	-	-

Return for Risk

PGX vs. PREF — Risk / Return Rank

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

PGX

PGX Risk / Return Rank: 24
PGX Sharpe Ratio Rank: 26
PGX Sortino Ratio Rank: 26
PGX Omega Ratio Rank: 24
PGX Calmar Ratio Rank: 24
PGX Martin Ratio Rank: 21

PREF

PREF Risk / Return Rank: 64
PREF Sharpe Ratio Rank: 64
PREF Sortino Ratio Rank: 67
PREF Omega Ratio Rank: 75
PREF Calmar Ratio Rank: 46
PREF Martin Ratio Rank: 66

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.

PGX vs. PREF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Preferred ETF (PGX) and Principal Spectrum Preferred Secs Active ETF (PREF). 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.

	PGX	PREF	Difference
Sharpe ratio: Return per unit of total volatility	0.94	2.16	-1.22
Sortino ratio: Return per unit of downside risk	1.45	3.10	-1.65
Omega ratio: Gain probability vs. loss probability	1.17	1.45	-0.28
Calmar ratio: Return relative to maximum drawdown	1.16	2.32	-1.16
Martin ratio: Return relative to average drawdown	2.57	12.09	-9.52
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PGX vs. PREF - Sharpe Ratio Comparison

The current PGX Sharpe Ratio is 0.94, which is lower than the PREF Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of PGX and PREF, 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

	PGX	PREF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.94	2.16	-1.22
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.07	0.63	-0.70
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.18	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.14	0.66	-0.52

Drawdowns

PGX vs. PREF - Drawdown Comparison

The maximum PGX drawdown since its inception was -66.44%, which is greater than PREF's maximum drawdown of -22.99%. Use the drawdown chart below to compare losses from any high point for PGX and PREF.

Drawdown Indicators

	PGX	PREF	Difference
Max Drawdown Largest peak-to-trough decline	-66.44%	-22.99%	-43.45%
Max Drawdown (1Y) Largest decline over 1 year	-4.98%	-2.88%	-2.10%
Max Drawdown (3Y) Largest decline over 3 years	-11.17%	-4.39%	-6.78%
Max Drawdown (5Y) Largest decline over 5 years	-24.67%	-16.99%	-7.68%
Max Drawdown (10Y) Largest decline over 10 years	-34.10%	—	—
Current Drawdown Current decline from peak	-5.29%	-0.13%	-5.16%
Average Drawdown Average peak-to-trough decline	-8.13%	-3.66%	-4.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.23%	0.55%	+1.68%

Volatility

PGX vs. PREF - Volatility Comparison

Invesco Preferred ETF (PGX) has a higher volatility of 1.73% compared to Principal Spectrum Preferred Secs Active ETF (PREF) at 0.69%. This indicates that PGX's price experiences larger fluctuations and is considered to be riskier than PREF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PGX	PREF	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.73%	0.69%	+1.04%
Volatility (6M) Calculated over the trailing 6-month period	4.12%	2.51%	+1.61%
Volatility (1Y) Calculated over the trailing 1-year period	6.11%	3.09%	+3.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.11%	4.87%	+6.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.02%	6.30%	+6.72%

PGX vs. PREF - Expense Ratio Comparison

PGX has a 0.52% expense ratio, which is lower than PREF's 0.55% expense ratio.

Dividends

PGX vs. PREF - Dividend Comparison

PGX's dividend yield for the trailing twelve months is around 6.23%, more than PREF's 5.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PGX Invesco Preferred ETF	6.23%	6.03%	5.95%	6.42%	6.29%	4.82%	4.89%	4.85%	6.09%	5.66%	6.02%	5.84%
PREF Principal Spectrum Preferred Secs Active ETF	5.16%	4.87%	4.65%	4.67%	4.63%	4.07%	4.35%	4.67%	5.49%	2.35%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PGX and PREF in my portfolio?

PGX and PREF have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PGX or PREF?

PGX has higher volatility (1.73%) compared to PREF (0.69%). In terms of maximum drawdown, PGX dropped -66.44% vs PREF's -22.99%.

Which ETF is better, PGX or PREF?

On 5-year performance, PREF leads with 3.07% vs -0.74% for PGX. On fees, PGX is cheaper at 0.52% per year. On volatility, PREF has been the lower-risk option at 0.69%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PGX or PREF?

Over the 5-year period, PREF has performed better with a 3.07% return vs -0.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PGX or PREF?

PGX is cheaper with a 0.52% expense ratio, compared with 0.55% for PREF.

Which ETF pays a higher dividend yield, PGX or PREF?

PGX has the higher dividend yield at 6.23%, compared with 5.16% for PREF.

What is the main difference between PGX and PREF?

They also come from different issuers: Invesco and Principal. Their fees differ too: 0.52% for PGX and 0.55% for PREF.

Which has better risk-adjusted returns?

PREF currently has the higher Sharpe Ratio (2.16 vs 0.94), 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.