PFFA vs. BSIIX

Last updated Jun 20, 2026

PFFA (Virtus InfraCap U.S. Preferred Stock ETF) and BSIIX (BlackRock Strategic Income Opportunities Fund Class I) are both funds - PFFA is a Preferred Stock/Convertible Bonds fund actively managed by Virtus Investment Partners, while BSIIX is a Total Bond Market fund managed by BlackRock. Over the past 5 years, PFFA returned 6.42%/yr vs 3.01%/yr for BSIIX. At a 0.41 correlation, their price movements are largely independent. PFFA charges 1.47%/yr vs 0.69%/yr for BSIIX.

Performance

PFFA vs. BSIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus InfraCap U.S. Preferred Stock ETF (PFFA) and BlackRock Strategic Income Opportunities Fund Class I (BSIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PFFA achieves a 3.08% return, which is significantly higher than BSIIX's 2.00% return.

PFFA

• 1D: 0.19%
• 1M: -0.14%
• YTD: 3.08%
• 6M: 2.32%
• 1Y: 12.59%
• 3Y*: 14.42%
• 5Y*: 6.42%
• 10Y*: —

BSIIX

• 1D: -0.10%
• 1M: 1.23%
• YTD: 2.00%
• 6M: 2.57%
• 1Y: 6.95%
• 3Y*: 6.84%
• 5Y*: 3.01%
• 10Y*: 3.85%

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

PFFA vs. BSIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
PFFA Virtus InfraCap U.S. Preferred Stock ETF	3.08%	8.22%	16.11%	26.45%	-20.91%	23.53%	-7.87%	31.99%	-7.29%
BSIIX BlackRock Strategic Income Opportunities Fund Class I	2.00%	8.59%	5.22%	6.18%	-6.14%	0.80%	7.22%	7.65%	-0.21%

Correlation

The correlation between PFFA and BSIIX is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.46
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (All Time) Calculated using the full available price history since May 16, 2018	0.41

Return for Risk

PFFA vs. BSIIX — Risk / Return Rank

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

PFFA

PFFA Risk / Return Rank: 49
PFFA Sharpe Ratio Rank: 54
PFFA Sortino Ratio Rank: 55
PFFA Omega Ratio Rank: 55
PFFA Calmar Ratio Rank: 41
PFFA Martin Ratio Rank: 42

BSIIX

BSIIX Risk / Return Rank: 69
BSIIX Sharpe Ratio Rank: 79
BSIIX Sortino Ratio Rank: 86
BSIIX Omega Ratio Rank: 83
BSIIX Calmar Ratio Rank: 48
BSIIX Martin Ratio Rank: 50

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.

PFFA vs. BSIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus InfraCap U.S. Preferred Stock ETF (PFFA) and BlackRock Strategic Income Opportunities Fund Class I (BSIIX). 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.

	PFFA	BSIIX	Difference
Sharpe ratio: Return per unit of total volatility	1.77	2.36	-0.58
Sortino ratio: Return per unit of downside risk	2.53	3.73	-1.20
Omega ratio: Gain probability vs. loss probability	1.33	1.50	-0.17
Calmar ratio: Return relative to maximum drawdown	1.95	2.46	-0.51
Martin ratio: Return relative to average drawdown	6.47	9.49	-3.02

PFFA vs. BSIIX - Sharpe Ratio Comparison

The current PFFA Sharpe Ratio is 1.77, which is comparable to the BSIIX Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of PFFA and BSIIX, 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

PFFA vs. BSIIX - Drawdown Comparison

The maximum PFFA drawdown since its inception was -70.52%, which is greater than BSIIX's maximum drawdown of -18.76%. Use the drawdown chart below to compare losses from any high point for PFFA and BSIIX.

Drawdown Indicators

	PFFA	BSIIX	Difference
Max Drawdown Largest peak-to-trough decline	-70.52%	-18.76%	-51.76%
Max Drawdown (1Y) Largest decline over 1 year	-6.49%	-2.84%	-3.65%
Max Drawdown (3Y) Largest decline over 3 years	-12.15%	-2.84%	-9.31%
Max Drawdown (5Y) Largest decline over 5 years	-22.70%	-9.13%	-13.57%
Max Drawdown (10Y) Largest decline over 10 years	—	-9.91%	—
Current Drawdown Current decline from peak	-1.50%	-0.31%	-1.19%
Average Drawdown Average peak-to-trough decline	-6.62%	-1.80%	-4.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.95%	0.73%	+1.22%

Volatility

PFFA vs. BSIIX - Volatility Comparison

Virtus InfraCap U.S. Preferred Stock ETF (PFFA) has a higher volatility of 2.17% compared to BlackRock Strategic Income Opportunities Fund Class I (BSIIX) at 0.92%. This indicates that PFFA's price experiences larger fluctuations and is considered to be riskier than BSIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PFFA	BSIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.17%	0.92%	+1.25%
Volatility (6M) Calculated over the trailing 6-month period	5.89%	2.37%	+3.52%
Volatility (1Y) Calculated over the trailing 1-year period	7.13%	2.96%	+4.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.53%	3.65%	+7.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.76%	3.15%	+28.61%

PFFA vs. BSIIX - Expense Ratio Comparison

PFFA has a 1.47% expense ratio, which is higher than BSIIX's 0.69% expense ratio.

Dividends

PFFA vs. BSIIX - Dividend Comparison

PFFA's dividend yield for the trailing twelve months is around 9.62%, more than BSIIX's 5.15% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BSIIX BlackRock Strategic Income Opportunities Fund Class I	5.15%	5.07%	4.75%	3.33%	3.58%	2.98%	2.92%	3.54%	3.32%	3.45%	2.91%	3.19%
PFFA Virtus InfraCap U.S. Preferred Stock ETF	9.62%	9.47%	9.18%	9.56%	10.75%	7.64%	8.54%	10.02%	5.15%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PFFA and BSIIX in my portfolio?

PFFA and BSIIX have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PFFA or BSIIX?

PFFA has higher volatility (2.17%) compared to BSIIX (0.92%). In terms of maximum drawdown, PFFA dropped -70.52% vs BSIIX's -18.76%.

Which has better risk-adjusted returns?

BSIIX currently has the higher Sharpe Ratio (2.36 vs 1.77), 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.