PFLD vs. QPFF

Last updated Apr 1, 2026

Compare and contrast key facts about AAM Low Duration Preferred and Income Securities ETF 144A (PFLD) and American Century Quality Preferred ETF (QPFF).

PFLD and QPFF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PFLD is a passively managed fund by Advisors Asset Management that tracks the performance of the ICE 0-5 Year Duration Exchange-Listed Preferred & Hybrid Securities Index. It was launched on Nov 19, 2019. QPFF is an actively managed fund by American Century. It was launched on Feb 16, 2021.

Performance

PFLD vs. QPFF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AAM Low Duration Preferred and Income Securities ETF 144A (PFLD) and American Century Quality Preferred ETF (QPFF). The values are adjusted to include any dividend payments, if applicable.

PFLD vs. QPFF - Yearly Performance Comparison

	2026 (YTD)
PFLD AAM Low Duration Preferred and Income Securities ETF 144A	-1.02%
QPFF American Century Quality Preferred ETF	0.00%

Returns By Period

PFLD

• 1D: 0.58%
• 1M: -1.09%
• YTD: 0.25%
• 6M: 0.97%
• 1Y: 1.72%
• 3Y*: 4.02%
• 5Y*: 0.88%
• 10Y*: —

QPFF

• 1D: 0.00%
• 1M: 0.00%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PFLD vs. QPFF - Expense Ratio Comparison

PFLD has a 0.45% expense ratio, which is higher than QPFF's 0.33% expense ratio.

PFLD

AAM Low Duration Preferred and Income Securities ETF 144A

QPFF

American Century Quality Preferred ETF

Return for Risk

PFLD vs. QPFF — Risk / Return Rank

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

PFLD

PFLD Risk / Return Rank: 20
PFLD Sharpe Ratio Rank: 21
PFLD Sortino Ratio Rank: 19
PFLD Omega Ratio Rank: 20
PFLD Calmar Ratio Rank: 18
PFLD Martin Ratio Rank: 20

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.

PFLD vs. QPFF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AAM Low Duration Preferred and Income Securities ETF 144A (PFLD) and American Century Quality Preferred ETF (QPFF). 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.

	PFLD	QPFF	Difference
Sharpe ratio Return per unit of total volatility	0.33	—	—
Sortino ratio Return per unit of downside risk	0.48	—	—
Omega ratio Gain probability vs. loss probability	1.07	—	—
Calmar ratio Return relative to maximum drawdown	0.30	—	—
Martin ratio Return relative to average drawdown	1.09	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	PFLD	QPFF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.33	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.12	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.14	—	—

Dividends

PFLD vs. QPFF - Dividend Comparison

PFLD's dividend yield for the trailing twelve months is around 6.05%, while QPFF has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019
PFLD AAM Low Duration Preferred and Income Securities ETF 144A	6.05%	6.52%	7.09%	7.09%	5.76%	4.52%	4.79%	0.82%
QPFF American Century Quality Preferred ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

PFLD vs. QPFF - Drawdown Comparison

The maximum PFLD drawdown since its inception was -33.20%, which is greater than QPFF's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for PFLD and QPFF.

Drawdown Indicators

	PFLD	QPFF	Difference
Max Drawdown Largest peak-to-trough decline	-33.20%	0.00%	-33.20%
Max Drawdown (1Y) Largest decline over 1 year	-4.06%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-15.51%	—	—
Current Drawdown Current decline from peak	-1.67%	0.00%	-1.67%
Average Drawdown Average peak-to-trough decline	-4.28%	0.00%	-4.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.12%	—	—

Volatility

Volatility by Period

	PFLD	QPFF	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.14%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.22%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	5.28%	0.00%	+5.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.49%	0.00%	+7.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.55%	0.00%	+13.55%