SSASX vs. CGBIX

Last updated Apr 1, 2026

Compare and contrast key facts about State Street Income Fund (SSASX) and Calvert Green Bond Fund (CGBIX).

SSASX is managed by State Street. It was launched on Jan 2, 1980. CGBIX is managed by Calvert Research and Management. It was launched on Oct 31, 2013.

Performance

SSASX vs. CGBIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Income Fund (SSASX) and Calvert Green Bond Fund (CGBIX). The values are adjusted to include any dividend payments, if applicable.

SSASX vs. CGBIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SSASX State Street Income Fund	-0.61%	7.49%	-0.95%	4.83%	-13.74%	0.59%
CGBIX Calvert Green Bond Fund	-0.72%	7.90%	2.00%	6.14%	-13.08%	0.32%

Returns By Period

In the year-to-date period, SSASX achieves a -0.61% return, which is significantly higher than CGBIX's -0.72% return.

SSASX

• 1D: 0.51%
• 1M: -2.48%
• YTD: -0.61%
• 6M: 0.37%
• 1Y: 3.71%
• 3Y*: 2.41%
• 5Y*: —
• 10Y*: —

CGBIX

• 1D: 0.42%
• 1M: -2.34%
• YTD: -0.72%
• 6M: 0.35%
• 1Y: 4.65%
• 3Y*: 4.14%
• 5Y*: 0.25%
• 10Y*: 1.89%

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

SSASX vs. CGBIX - Expense Ratio Comparison

SSASX has a 0.20% expense ratio, which is lower than CGBIX's 0.48% expense ratio.

CGBIX

Calvert Green Bond Fund

SSASX

State Street Income Fund

Return for Risk

SSASX vs. CGBIX — Risk / Return Rank

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

SSASX

SSASX Risk / Return Rank: 44
SSASX Sharpe Ratio Rank: 42
SSASX Sortino Ratio Rank: 40
SSASX Omega Ratio Rank: 30
SSASX Calmar Ratio Rank: 67
SSASX Martin Ratio Rank: 42

CGBIX

CGBIX Risk / Return Rank: 73
CGBIX Sharpe Ratio Rank: 73
CGBIX Sortino Ratio Rank: 76
CGBIX Omega Ratio Rank: 61
CGBIX Calmar Ratio Rank: 82
CGBIX Martin Ratio Rank: 74

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.

SSASX vs. CGBIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Income Fund (SSASX) and Calvert Green Bond Fund (CGBIX). 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.

	SSASX	CGBIX	Difference
Sharpe ratio Return per unit of total volatility	0.90	1.31	-0.41
Sortino ratio Return per unit of downside risk	1.28	1.91	-0.63
Omega ratio Gain probability vs. loss probability	1.16	1.24	-0.08
Calmar ratio Return relative to maximum drawdown	1.58	2.00	-0.41
Martin ratio Return relative to average drawdown	4.37	7.07	-2.70
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SSASX vs. CGBIX - Sharpe Ratio Comparison

The current SSASX Sharpe Ratio is 0.90, which is lower than the CGBIX Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of SSASX and CGBIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SSASX	CGBIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.90	1.31	-0.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.05	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.47	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.12	0.56	-0.68

Correlation

The correlation between SSASX and CGBIX is 0.94, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

SSASX vs. CGBIX - Dividend Comparison

SSASX's dividend yield for the trailing twelve months is around 3.66%, less than CGBIX's 3.86% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSASX State Street Income Fund	3.66%	4.01%	2.76%	2.86%	2.48%	3.77%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
CGBIX Calvert Green Bond Fund	3.86%	4.09%	3.49%	2.37%	1.86%	1.99%	1.85%	2.45%	2.26%	2.54%	3.22%	2.01%

Drawdowns

SSASX vs. CGBIX - Drawdown Comparison

The maximum SSASX drawdown since its inception was -19.65%, which is greater than CGBIX's maximum drawdown of -17.46%. Use the drawdown chart below to compare losses from any high point for SSASX and CGBIX.

Drawdown Indicators

	SSASX	CGBIX	Difference
Max Drawdown Largest peak-to-trough decline	-19.65%	-17.46%	-2.19%
Max Drawdown (1Y) Largest decline over 1 year	-3.12%	-2.75%	-0.37%
Max Drawdown (5Y) Largest decline over 5 years	—	-17.46%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-17.46%	—
Current Drawdown Current decline from peak	-5.84%	-2.34%	-3.50%
Average Drawdown Average peak-to-trough decline	-9.83%	-3.54%	-6.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.13%	0.78%	+0.35%

Volatility

SSASX vs. CGBIX - Volatility Comparison

State Street Income Fund (SSASX) has a higher volatility of 1.60% compared to Calvert Green Bond Fund (CGBIX) at 1.37%. This indicates that SSASX's price experiences larger fluctuations and is considered to be riskier than CGBIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSASX	CGBIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.60%	1.37%	+0.23%
Volatility (6M) Calculated over the trailing 6-month period	2.76%	2.19%	+0.57%
Volatility (1Y) Calculated over the trailing 1-year period	4.82%	3.83%	+0.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.56%	4.91%	+1.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.56%	4.05%	+2.51%