PBMPX vs. VTIP

Last updated Jun 23, 2026

PBMPX (Principal Core Plus Bond Fund) and VTIP (Vanguard Short-Term Inflation-Protected Securities ETF) are both funds - PBMPX is a Intermediate Core-Plus Bond fund managed by Principal, while VTIP is a Inflation-Protected Bonds fund tracking the Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Year Index. Over the past 10 years, PBMPX returned 1.68%/yr vs 3.03%/yr for VTIP. A 0.51 correlation means they provide meaningful diversification when combined. PBMPX charges 0.78%/yr vs 0.03%/yr for VTIP.

Performance

PBMPX vs. VTIP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal Core Plus Bond Fund (PBMPX) and Vanguard Short-Term Inflation-Protected Securities ETF (VTIP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PBMPX achieves a 0.41% return, which is significantly lower than VTIP's 1.34% return. Over the past 10 years, PBMPX has underperformed VTIP with an annualized return of 1.68%, while VTIP has yielded a comparatively higher 3.03% annualized return.

PBMPX

• 1D: 0.22%
• 1M: 0.95%
• YTD: 0.41%
• 6M: 0.51%
• 1Y: 4.70%
• 3Y*: 3.82%
• 5Y*: -0.50%
• 10Y*: 1.68%

VTIP

• 1D: -0.18%
• 1M: -0.24%
• YTD: 1.34%
• 6M: 1.46%
• 1Y: 3.64%
• 3Y*: 5.00%
• 5Y*: 3.26%
• 10Y*: 3.03%

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

PBMPX vs. VTIP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PBMPX Principal Core Plus Bond Fund	0.41%	7.15%	0.71%	5.23%	-14.62%	-0.84%	9.33%	9.64%	-1.93%	4.66%
VTIP Vanguard Short-Term Inflation-Protected Securities ETF	1.34%	6.07%	4.74%	4.62%	-2.94%	5.36%	4.95%	4.86%	0.56%	0.82%

Correlation

The correlation between PBMPX and VTIP 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	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.59
Correlation (10Y) Calculated over the trailing 10-year period	0.53
Correlation (All Time) Calculated using the full available price history since Oct 16, 2012	0.51

The correlation between PBMPX and VTIP shifts across timeframes, from 0.45 (1 year) to 0.67 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

PBMPX vs. VTIP — Risk / Return Rank

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

PBMPX

PBMPX Risk / Return Rank: 21
PBMPX Sharpe Ratio Rank: 21
PBMPX Sortino Ratio Rank: 21
PBMPX Omega Ratio Rank: 22
PBMPX Calmar Ratio Rank: 20
PBMPX Martin Ratio Rank: 20

VTIP

VTIP Risk / Return Rank: 84
VTIP Sharpe Ratio Rank: 75
VTIP Sortino Ratio Rank: 85
VTIP Omega Ratio Rank: 83
VTIP Calmar Ratio Rank: 89
VTIP Martin Ratio Rank: 88

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.

PBMPX vs. VTIP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal Core Plus Bond Fund (PBMPX) and Vanguard Short-Term Inflation-Protected Securities ETF (VTIP). 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.

	PBMPX	VTIP	Difference
Sharpe ratio: Return per unit of total volatility	1.22	2.32	-1.10
Sortino ratio: Return per unit of downside risk	1.77	3.64	-1.87
Omega ratio: Gain probability vs. loss probability	1.22	1.47	-0.25
Calmar ratio: Return relative to maximum drawdown	1.53	5.12	-3.59
Martin ratio: Return relative to average drawdown	4.74	18.66	-13.92

PBMPX vs. VTIP - Sharpe Ratio Comparison

The current PBMPX Sharpe Ratio is 1.22, which is lower than the VTIP Sharpe Ratio of 2.32. The chart below compares the historical Sharpe Ratios of PBMPX and VTIP, 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

PBMPX vs. VTIP - Drawdown Comparison

The maximum PBMPX drawdown since its inception was -19.69%, which is greater than VTIP's maximum drawdown of -6.27%. Use the drawdown chart below to compare losses from any high point for PBMPX and VTIP.

Drawdown Indicators

	PBMPX	VTIP	Difference
Max Drawdown Largest peak-to-trough decline	-19.69%	-6.27%	-13.42%
Max Drawdown (1Y) Largest decline over 1 year	-3.16%	-0.71%	-2.45%
Max Drawdown (3Y) Largest decline over 3 years	-7.04%	-0.98%	-6.06%
Max Drawdown (5Y) Largest decline over 5 years	-19.48%	-5.50%	-13.98%
Max Drawdown (10Y) Largest decline over 10 years	-19.48%	-6.27%	-13.21%
Current Drawdown Current decline from peak	-3.66%	-0.71%	-2.95%
Average Drawdown Average peak-to-trough decline	-3.46%	-1.04%	-2.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.02%	0.20%	+0.82%

Volatility

PBMPX vs. VTIP - Volatility Comparison

Principal Core Plus Bond Fund (PBMPX) has a higher volatility of 1.24% compared to Vanguard Short-Term Inflation-Protected Securities ETF (VTIP) at 0.65%. This indicates that PBMPX's price experiences larger fluctuations and is considered to be riskier than VTIP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PBMPX	VTIP	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.24%	0.65%	+0.59%
Volatility (6M) Calculated over the trailing 6-month period	3.10%	1.17%	+1.93%
Volatility (1Y) Calculated over the trailing 1-year period	3.97%	1.58%	+2.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.89%	2.77%	+3.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.83%	2.74%	+2.09%

PBMPX vs. VTIP - Expense Ratio Comparison

PBMPX has a 0.78% expense ratio, which is higher than VTIP's 0.03% expense ratio.

Dividends

PBMPX vs. VTIP - Dividend Comparison

PBMPX's dividend yield for the trailing twelve months is around 4.19%, more than VTIP's 3.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PBMPX Principal Core Plus Bond Fund	4.19%	4.42%	4.10%	3.04%	2.06%	3.12%	7.16%	3.44%	3.36%	2.78%	2.30%	2.21%
VTIP Vanguard Short-Term Inflation-Protected Securities ETF	3.61%	3.81%	2.70%	2.86%	6.84%	4.68%	1.20%	1.95%	2.45%	1.52%	0.76%	0.00%

Frequently Asked Questions

Can I hold both PBMPX and VTIP in my portfolio?

PBMPX and VTIP 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, PBMPX or VTIP?

PBMPX has higher volatility (1.24%) compared to VTIP (0.65%). In terms of maximum drawdown, PBMPX dropped -19.69% vs VTIP's -6.27%.

Which has better risk-adjusted returns?

VTIP currently has the higher Sharpe Ratio (2.32 vs 1.22), 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.