QPFF vs. SDSI

Last updated Jun 4, 2026

QPFF (American Century Quality Preferred ETF) and SDSI (American Century Short Duration Strategic Income ETF) are both exchange-traded funds - QPFF is a Preferred Stock/Convertible Bonds fund actively managed by American Century, while SDSI is a Short-Term Bond fund tracking the Bloomberg U.S. 1-3 Year Government/Credit Bond Index. QPFF is actively managed, while SDSI is passively managed. Both charge a 0.33% expense ratio.

Performance

QPFF vs. SDSI - Performance Comparison

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

Returns By Period

QPFF

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

SDSI

• 1D: -0.04%
• 1M: 0.35%
• YTD: 1.22%
• 6M: 1.66%
• 1Y: 5.27%
• 3Y*: 5.77%
• 5Y*: —
• 10Y*: —

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

QPFF vs. SDSI - Yearly Performance Comparison

	2026 (YTD)
QPFF American Century Quality Preferred ETF	0.00%
SDSI American Century Short Duration Strategic Income ETF	0.58%

QPFF vs. SDSI - Sectors Allocation Comparison

Sectors	QPFF	SDSI
Financial Services	51.6%	-
Utilities	5.5%	-
Real Estate	4.1%	-
Communication Services	3.6%	90.0%
Consumer Cyclical	2.1%	-
Industrials	1.2%	7.5%
Basic Materials	0.3%	-
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	2.5%
Technology	-	-

Return for Risk

QPFF vs. SDSI — Risk / Return Rank

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

SDSI

SDSI Risk / Return Rank: 91
SDSI Sharpe Ratio Rank: 91
SDSI Sortino Ratio Rank: 94
SDSI Omega Ratio Rank: 93
SDSI Calmar Ratio Rank: 84
SDSI Martin Ratio Rank: 90

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.

QPFF vs. SDSI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Quality Preferred ETF (QPFF) and American Century Short Duration Strategic Income ETF (SDSI). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	QPFF	SDSI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	3.25	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	2.60	—

Drawdowns

QPFF vs. SDSI - Drawdown Comparison

The maximum QPFF drawdown since its inception was 0.00%, smaller than the maximum SDSI drawdown of -1.29%. Use the drawdown chart below to compare losses from any high point for QPFF and SDSI.

Drawdown Indicators

	QPFF	SDSI	Difference
Max Drawdown Largest peak-to-trough decline	0.00%	-1.29%	+1.29%
Max Drawdown (1Y) Largest decline over 1 year	—	-1.17%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-1.29%	—
Current Drawdown Current decline from peak	0.00%	-0.07%	+0.07%
Average Drawdown Average peak-to-trough decline	0.00%	-0.24%	+0.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.25%	—

Volatility

Volatility by Period

	QPFF	SDSI	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.41%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.14%	—
Volatility (1Y) Calculated over the trailing 1-year period	0.00%	1.63%	-1.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.00%	2.28%	-2.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.00%	2.28%	-2.28%

QPFF vs. SDSI - Expense Ratio Comparison

Both QPFF and SDSI have an expense ratio of 0.33%.

Dividends

QPFF vs. SDSI - Dividend Comparison

QPFF has not paid dividends to shareholders, while SDSI's dividend yield for the trailing twelve months is around 4.42%.

Position	TTM	2025	2024	2023	2022
QPFF American Century Quality Preferred ETF	0.00%	0.00%	0.00%	0.00%	0.00%
SDSI American Century Short Duration Strategic Income ETF	4.42%	4.91%	5.49%	5.37%	0.98%

Frequently Asked Questions

Which ETF is better, QPFF or SDSI?

Both ETFs have the same 0.33% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, QPFF or SDSI?

QPFF and SDSI have the same expense ratio: 0.33% per year.

Which ETF pays a higher dividend yield, QPFF or SDSI?

SDSI has the higher dividend yield at 4.42%, compared with 0.00% for QPFF.

What is the main difference between QPFF and SDSI?

QPFF is categorized as Preferred Stock/Convertible Bonds, while SDSI is Short-Term Bond.