EIBAX vs. PTTRX

Last updated Jun 3, 2026

EIBAX (Eaton Vance Total Return Bond Fund) and PTTRX (PIMCO Total Return Fund Institutional Class) are both mutual funds - EIBAX is a Intermediate Core-Plus Bond fund managed by Eaton Vance, while PTTRX is a Total Bond Market fund managed by PIMCO. Over the past 10 years, EIBAX returned 3.59%/yr vs 2.29%/yr for PTTRX. A 0.74 correlation means they provide meaningful diversification when combined. EIBAX charges 0.49%/yr vs 0.47%/yr for PTTRX.

Performance

EIBAX vs. PTTRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Eaton Vance Total Return Bond Fund (EIBAX) and PIMCO Total Return Fund Institutional Class (PTTRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with EIBAX having a 0.51% return and PTTRX slightly higher at 0.53%. Over the past 10 years, EIBAX has outperformed PTTRX with an annualized return of 3.59%, while PTTRX has yielded a comparatively lower 2.29% annualized return.

EIBAX

• 1D: -0.10%
• 1M: 0.13%
• YTD: 0.51%
• 6M: 0.71%
• 1Y: 6.45%
• 3Y*: 6.00%
• 5Y*: 1.38%
• 10Y*: 3.59%

PTTRX

• 1D: -0.11%
• 1M: 0.30%
• YTD: 0.53%
• 6M: 0.81%
• 1Y: 7.21%
• 3Y*: 5.41%
• 5Y*: 0.70%
• 10Y*: 2.29%

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

EIBAX vs. PTTRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
EIBAX Eaton Vance Total Return Bond Fund	0.51%	9.15%	4.38%	5.59%	-12.88%	3.02%	5.89%	10.84%	-0.84%	7.72%
PTTRX PIMCO Total Return Fund Institutional Class	0.53%	9.35%	2.62%	6.33%	-14.72%	-0.59%	8.88%	8.36%	-0.24%	5.13%

Correlation

The correlation between EIBAX and PTTRX is 0.95, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.84
Correlation (All Time) Calculated using the full available price history since Nov 18, 2009	0.74

Over the past year, EIBAX and PTTRX have become more correlated (0.95) than their long-term average of 0.74, meaning their price movements have been converging.

Return for Risk

EIBAX vs. PTTRX — Risk / Return Rank

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

EIBAX

EIBAX Risk / Return Rank: 28
EIBAX Sharpe Ratio Rank: 28
EIBAX Sortino Ratio Rank: 30
EIBAX Omega Ratio Rank: 27
EIBAX Calmar Ratio Rank: 30
EIBAX Martin Ratio Rank: 26

PTTRX

PTTRX Risk / Return Rank: 29
PTTRX Sharpe Ratio Rank: 27
PTTRX Sortino Ratio Rank: 28
PTTRX Omega Ratio Rank: 28
PTTRX Calmar Ratio Rank: 32
PTTRX Martin Ratio Rank: 27

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.

EIBAX vs. PTTRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Eaton Vance Total Return Bond Fund (EIBAX) and PIMCO Total Return Fund Institutional Class (PTTRX). 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.

	EIBAX	PTTRX	Difference
Sharpe ratio Return per unit of total volatility	1.54	1.53	0.00
Sortino ratio Return per unit of downside risk	2.32	2.26	+0.06
Omega ratio Gain probability vs. loss probability	1.28	1.28	0.00
Calmar ratio Return relative to maximum drawdown	2.09	2.18	-0.09
Martin ratio Return relative to average drawdown	6.56	6.78	-0.22
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EIBAX vs. PTTRX - Sharpe Ratio Comparison

The current EIBAX Sharpe Ratio is 1.54, which is comparable to the PTTRX Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of EIBAX and PTTRX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	EIBAX	PTTRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.54	1.53	0.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	0.11	+0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	0.44	+0.33
Sharpe Ratio (All Time) Calculated using the full available price history	0.81	1.15	-0.33

Drawdowns

EIBAX vs. PTTRX - Drawdown Comparison

The maximum EIBAX drawdown since its inception was -17.20%, smaller than the maximum PTTRX drawdown of -19.28%. Use the drawdown chart below to compare losses from any high point for EIBAX and PTTRX.

Drawdown Indicators

	EIBAX	PTTRX	Difference
Max Drawdown Largest peak-to-trough decline	-17.20%	-19.28%	+2.08%
Max Drawdown (1Y) Largest decline over 1 year	-3.26%	-3.69%	+0.43%
Max Drawdown (3Y) Largest decline over 3 years	-5.65%	-6.18%	+0.53%
Max Drawdown (5Y) Largest decline over 5 years	-16.91%	-19.28%	+2.37%
Max Drawdown (10Y) Largest decline over 10 years	-17.20%	-19.28%	+2.08%
Current Drawdown Current decline from peak	-1.41%	-1.60%	+0.19%
Average Drawdown Average peak-to-trough decline	-3.51%	-2.19%	-1.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.04%	1.18%	-0.14%

Volatility

EIBAX vs. PTTRX - Volatility Comparison

The current volatility for Eaton Vance Total Return Bond Fund (EIBAX) is 1.54%, while PIMCO Total Return Fund Institutional Class (PTTRX) has a volatility of 1.81%. This indicates that EIBAX experiences smaller price fluctuations and is considered to be less risky than PTTRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EIBAX	PTTRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.54%	1.81%	-0.27%
Volatility (6M) Calculated over the trailing 6-month period	3.10%	3.53%	-0.43%
Volatility (1Y) Calculated over the trailing 1-year period	4.09%	4.66%	-0.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.32%	6.27%	-0.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.70%	5.23%	-0.53%

EIBAX vs. PTTRX - Expense Ratio Comparison

EIBAX has a 0.49% expense ratio, which is higher than PTTRX's 0.47% expense ratio.

Dividends

EIBAX vs. PTTRX - Dividend Comparison

EIBAX's dividend yield for the trailing twelve months is around 5.14%, more than PTTRX's 4.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EIBAX Eaton Vance Total Return Bond Fund	5.14%	5.13%	5.58%	4.01%	4.04%	3.49%	3.87%	3.97%	4.16%	3.55%	3.90%	5.69%
PTTRX PIMCO Total Return Fund Institutional Class	4.55%	4.47%	4.61%	3.81%	3.63%	2.59%	6.11%	3.96%	3.13%	2.63%	3.02%	6.64%

Frequently Asked Questions

Can I hold both EIBAX and PTTRX in my portfolio?

With a correlation of 0.95, EIBAX and PTTRX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, EIBAX or PTTRX?

PTTRX has higher volatility (1.81%) compared to EIBAX (1.54%). In terms of maximum drawdown, EIBAX dropped -17.20% vs PTTRX's -19.28%.

Which has better risk-adjusted returns?

EIBAX currently has the higher Sharpe Ratio (1.54 vs 1.53), 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.