PTRIX vs. BIV

Last updated Jun 24, 2026

PTRIX (PIMCO Mortgage-Backed Securities Fund) and BIV (Vanguard Intermediate-Term Bond Index ETF) are both funds - PTRIX is a Intermediate Core-Plus Bond fund managed by PIMCO, while BIV is a Intermediate Core Bond fund tracking the Bloomberg U.S. 5–10 Year Government/Credit Float Adjusted Bond Index. A 0.71 correlation means they provide meaningful diversification when combined. PTRIX charges 0.50%/yr vs 0.03%/yr for BIV.

Performance

PTRIX vs. BIV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Mortgage-Backed Securities Fund (PTRIX) and Vanguard Intermediate-Term Bond Index ETF (BIV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

PTRIX

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

BIV

• 1D: 0.10%
• 1M: 0.53%
• YTD: -0.13%
• 6M: 0.01%
• 1Y: 3.84%
• 3Y*: 4.38%
• 5Y*: 0.22%
• 10Y*: 1.83%

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

PTRIX vs. BIV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PTRIX PIMCO Mortgage-Backed Securities Fund	0.00%	0.00%	5.87%	5.25%	-14.13%	1.04%	5.30%	6.44%	1.35%	4.38%
BIV Vanguard Intermediate-Term Bond Index ETF	-0.13%	8.52%	1.57%	6.07%	-13.21%	-2.40%	9.67%	10.34%	-0.19%	3.65%

Correlation

The correlation between PTRIX and BIV is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.77
Correlation (10Y) Calculated over the trailing 10-year period	0.73
Correlation (All Time) Calculated using the full available price history since Apr 10, 2007	0.71

The correlation between PTRIX and BIV shifts across timeframes, from 0.64 (3 years) to 0.77 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

PTRIX vs. BIV — Risk / Return Rank

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

PTRIX

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

BIV

BIV Risk / Return Rank: 26
BIV Sharpe Ratio Rank: 28
BIV Sortino Ratio Rank: 27
BIV Omega Ratio Rank: 24
BIV Calmar Ratio Rank: 26
BIV Martin Ratio Rank: 26

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.

PTRIX vs. BIV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Mortgage-Backed Securities Fund (PTRIX) and Vanguard Intermediate-Term Bond Index ETF (BIV). 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.

	PTRIX	BIV	Difference
Sharpe ratio: Return per unit of total volatility	—	0.96	—
Sortino ratio: Return per unit of downside risk	—	1.43	—
Omega ratio: Gain probability vs. loss probability	—	1.17	—
Calmar ratio: Return relative to maximum drawdown	—	1.22	—
Martin ratio: Return relative to average drawdown	—	3.38	—

Drawdowns

Drawdown Indicators

	PTRIX	BIV	Difference
Max Drawdown Largest peak-to-trough decline	—	-18.95%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-3.18%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-6.07%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.74%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-18.95%	—
Current Drawdown Current decline from peak	—	-1.93%	—
Average Drawdown Average peak-to-trough decline	—	-3.38%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.14%	—

Volatility

Volatility by Period

	PTRIX	BIV	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.23%	—
Volatility (6M) Calculated over the trailing 6-month period	—	3.03%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	4.04%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	6.40%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	5.50%	—

PTRIX vs. BIV - Expense Ratio Comparison

PTRIX has a 0.50% expense ratio, which is higher than BIV's 0.03% expense ratio.

Dividends

PTRIX vs. BIV - Dividend Comparison

PTRIX has not paid dividends to shareholders, while BIV's dividend yield for the trailing twelve months is around 4.21%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BIV Vanguard Intermediate-Term Bond Index ETF	4.21%	4.01%	3.79%	3.09%	2.41%	3.42%	2.95%	2.75%	2.88%	2.69%	3.01%	3.02%
PTRIX PIMCO Mortgage-Backed Securities Fund	0.00%	0.00%	4.07%	5.32%	3.82%	3.02%	2.89%	3.73%	3.54%	3.04%	3.18%	2.43%

Frequently Asked Questions

Can I hold both PTRIX and BIV in my portfolio?

PTRIX and BIV have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.