PTRIX vs. SSASX

Last updated Jun 4, 2026

PTRIX (PIMCO Mortgage-Backed Securities Fund) and SSASX (State Street Income Fund) are both Intermediate Core-Plus Bond funds. A 0.78 correlation means they provide meaningful diversification when combined. PTRIX charges 0.50%/yr vs 0.20%/yr for SSASX.

Performance

PTRIX vs. SSASX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO Mortgage-Backed Securities Fund (PTRIX) and State Street Income Fund (SSASX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

PTRIX

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

SSASX

• 1D: 0.00%
• 1M: 0.35%
• YTD: -0.00%
• 6M: -0.08%
• 1Y: 5.12%
• 3Y*: 2.95%
• 5Y*: -0.64%
• 10Y*: —

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

PTRIX vs. SSASX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
PTRIX PIMCO Mortgage-Backed Securities Fund	0.00%	0.00%	5.87%	5.25%	-14.13%	1.01%
SSASX State Street Income Fund	-0.00%	7.49%	-0.95%	4.83%	-13.74%	0.59%

Correlation

The correlation between PTRIX and SSASX is 0.78, 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	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (All Time) Calculated using the full available price history since May 25, 2021	0.78

The correlation between PTRIX and SSASX shifts across timeframes, from 0.67 (3 years) to 0.78 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

PTRIX vs. SSASX — Risk / Return Rank

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

SSASX

SSASX Risk / Return Rank: 18
SSASX Sharpe Ratio Rank: 18
SSASX Sortino Ratio Rank: 19
SSASX Omega Ratio Rank: 17
SSASX Calmar Ratio Rank: 17
SSASX Martin Ratio Rank: 16

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. SSASX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Mortgage-Backed Securities Fund (PTRIX) and State Street Income Fund (SSASX). 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.

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

Sharpe Ratios by Period

	PTRIX	SSASX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.22	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.10	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	-0.10	—

Drawdowns

Drawdown Indicators

	PTRIX	SSASX	Difference
Max Drawdown Largest peak-to-trough decline	—	-19.65%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-3.42%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-7.97%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-19.65%	—
Current Drawdown Current decline from peak	—	-5.26%	—
Average Drawdown Average peak-to-trough decline	—	-9.68%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.14%	—

Volatility

Volatility by Period

	PTRIX	SSASX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.46%	—
Volatility (6M) Calculated over the trailing 6-month period	—	2.96%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	4.22%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	6.49%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	6.49%	—

PTRIX vs. SSASX - Expense Ratio Comparison

PTRIX has a 0.50% expense ratio, which is higher than SSASX's 0.20% expense ratio.

Dividends

PTRIX vs. SSASX - Dividend Comparison

PTRIX has not paid dividends to shareholders, while SSASX's dividend yield for the trailing twelve months is around 4.00%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
SSASX State Street Income Fund	4.00%	4.01%	2.76%	2.86%	2.48%	3.77%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PTRIX and SSASX in my portfolio?

PTRIX and SSASX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.