NFIAX vs. PDBC

Last updated Jun 24, 2026

NFIAX (Neuberger Berman Floating Rate Income Fund) and PDBC (Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF) are both funds - NFIAX is a Bank Loan fund managed by Neuberger Berman, while PDBC is a Commodities fund actively managed by Invesco. Over the past 10 years, NFIAX returned 4.58%/yr vs 7.59%/yr for PDBC. At a 0.15 correlation, their price movements are largely independent. NFIAX charges 0.97%/yr vs 0.58%/yr for PDBC.

Performance

NFIAX vs. PDBC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Neuberger Berman Floating Rate Income Fund (NFIAX) and Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NFIAX achieves a 1.26% return, which is significantly lower than PDBC's 22.11% return. Over the past 10 years, NFIAX has underperformed PDBC with an annualized return of 4.58%, while PDBC has yielded a comparatively higher 7.59% annualized return.

NFIAX

• 1D: 0.00%
• 1M: 0.40%
• YTD: 1.26%
• 6M: 1.81%
• 1Y: 5.28%
• 3Y*: 7.50%
• 5Y*: 5.00%
• 10Y*: 4.58%

PDBC

• 1D: -1.10%
• 1M: -11.10%
• YTD: 22.11%
• 6M: 20.75%
• 1Y: 25.24%
• 3Y*: 10.03%
• 5Y*: 9.92%
• 10Y*: 7.59%

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

NFIAX vs. PDBC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NFIAX Neuberger Berman Floating Rate Income Fund	1.26%	5.83%	8.89%	10.92%	-3.26%	4.27%	3.63%	8.31%	-1.13%	3.19%
PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF	22.11%	5.96%	2.09%	-6.25%	19.23%	41.72%	-7.84%	11.44%	-12.78%	5.06%

Correlation

The correlation between NFIAX and PDBC is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.09
Correlation (3Y) Calculated over the trailing 3-year period	0.02
Correlation (5Y) Calculated over the trailing 5-year period	0.09
Correlation (10Y) Calculated over the trailing 10-year period	0.13
Correlation (All Time) Calculated using the full available price history since Nov 7, 2014	0.15

The correlation between NFIAX and PDBC shifts across timeframes, from -0.09 (1 year) to 0.15 (all time), reflecting how their relationship changes across market environments.

Return for Risk

NFIAX vs. PDBC — Risk / Return Rank

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

NFIAX

NFIAX Risk / Return Rank: 91
NFIAX Sharpe Ratio Rank: 78
NFIAX Sortino Ratio Rank: 98
NFIAX Omega Ratio Rank: 97
NFIAX Calmar Ratio Rank: 93
NFIAX Martin Ratio Rank: 90

PDBC

PDBC Risk / Return Rank: 40
PDBC Sharpe Ratio Rank: 40
PDBC Sortino Ratio Rank: 39
PDBC Omega Ratio Rank: 39
PDBC Calmar Ratio Rank: 37
PDBC Martin Ratio Rank: 47

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.

NFIAX vs. PDBC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Neuberger Berman Floating Rate Income Fund (NFIAX) and Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC). 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.

	NFIAX	PDBC	Difference
Sharpe ratio: Return per unit of total volatility	2.38	1.38	+1.00
Sortino ratio: Return per unit of downside risk	6.03	1.92	+4.12
Omega ratio: Gain probability vs. loss probability	1.96	1.24	+0.71
Calmar ratio: Return relative to maximum drawdown	4.86	1.76	+3.10
Martin ratio: Return relative to average drawdown	16.49	7.71	+8.78

NFIAX vs. PDBC - Sharpe Ratio Comparison

The current NFIAX Sharpe Ratio is 2.38, which is higher than the PDBC Sharpe Ratio of 1.38. The chart below compares the historical Sharpe Ratios of NFIAX and PDBC, 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

NFIAX vs. PDBC - Drawdown Comparison

The maximum NFIAX drawdown since its inception was -22.18%, smaller than the maximum PDBC drawdown of -49.52%. Use the drawdown chart below to compare losses from any high point for NFIAX and PDBC.

Drawdown Indicators

	NFIAX	PDBC	Difference
Max Drawdown Largest peak-to-trough decline	-22.18%	-49.52%	+27.34%
Max Drawdown (1Y) Largest decline over 1 year	-1.07%	-14.44%	+13.37%
Max Drawdown (3Y) Largest decline over 3 years	-2.19%	-14.44%	+12.25%
Max Drawdown (5Y) Largest decline over 5 years	-6.84%	-27.63%	+20.79%
Max Drawdown (10Y) Largest decline over 10 years	-22.18%	-40.73%	+18.55%
Current Drawdown Current decline from peak	-0.22%	-14.44%	+14.22%
Average Drawdown Average peak-to-trough decline	-0.83%	-23.14%	+22.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.31%	3.31%	-3.00%

Volatility

NFIAX vs. PDBC - Volatility Comparison

The current volatility for Neuberger Berman Floating Rate Income Fund (NFIAX) is 0.57%, while Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC) has a volatility of 4.42%. This indicates that NFIAX experiences smaller price fluctuations and is considered to be less risky than PDBC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NFIAX	PDBC	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.57%	4.42%	-3.85%
Volatility (6M) Calculated over the trailing 6-month period	1.58%	16.20%	-14.62%
Volatility (1Y) Calculated over the trailing 1-year period	2.19%	18.73%	-16.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.69%	19.15%	-16.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.02%	17.77%	-13.75%

NFIAX vs. PDBC - Expense Ratio Comparison

NFIAX has a 0.97% expense ratio, which is higher than PDBC's 0.58% expense ratio.

Dividends

NFIAX vs. PDBC - Dividend Comparison

NFIAX's dividend yield for the trailing twelve months is around 6.60%, more than PDBC's 3.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NFIAX Neuberger Berman Floating Rate Income Fund	6.60%	6.84%	8.05%	6.89%	3.97%	3.36%	3.68%	4.71%	4.32%	3.44%	3.46%	4.05%
PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF	3.14%	3.84%	4.42%	4.21%	13.05%	50.83%	0.01%	1.40%	1.00%	3.83%	6.51%	0.00%

Frequently Asked Questions

Can I hold both NFIAX and PDBC in my portfolio?

NFIAX and PDBC have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NFIAX or PDBC?

PDBC has higher volatility (4.42%) compared to NFIAX (0.57%). In terms of maximum drawdown, NFIAX dropped -22.18% vs PDBC's -49.52%.

Which has better risk-adjusted returns?

NFIAX currently has the higher Sharpe Ratio (2.38 vs 1.38), 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.