HOBIX vs. TGRNX

Last updated Jun 3, 2026

HOBIX (Holbrook Income Fund Class I) and TGRNX (TIAA-CREF Green Bond Fund) are both Intermediate Core-Plus Bond funds. Over the past 5 years, HOBIX returned 4.33%/yr vs 0.41%/yr for TGRNX. At a 0.34 correlation, their price movements are largely independent. HOBIX charges 1.05%/yr vs 0.45%/yr for TGRNX.

Performance

HOBIX vs. TGRNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Holbrook Income Fund Class I (HOBIX) and TIAA-CREF Green Bond Fund (TGRNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, HOBIX achieves a 2.43% return, which is significantly higher than TGRNX's 0.68% return.

HOBIX

• 1D: 0.00%
• 1M: 0.48%
• YTD: 2.43%
• 6M: 2.87%
• 1Y: 6.61%
• 3Y*: 7.32%
• 5Y*: 4.33%
• 10Y*: —

TGRNX

• 1D: -0.11%
• 1M: 0.36%
• YTD: 0.68%
• 6M: 0.81%
• 1Y: 5.40%
• 3Y*: 4.65%
• 5Y*: 0.41%
• 10Y*: —

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

HOBIX vs. TGRNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
HOBIX Holbrook Income Fund Class I	2.43%	7.67%	7.66%	5.65%	-2.91%	6.13%	7.45%	7.70%	-1.78%
TGRNX TIAA-CREF Green Bond Fund	0.68%	6.76%	3.08%	5.73%	-13.43%	-0.60%	8.57%	9.15%	1.43%

Correlation

The correlation between HOBIX and TGRNX is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.42
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (All Time) Calculated using the full available price history since Nov 19, 2018	0.34

The correlation between HOBIX and TGRNX shifts across timeframes, from 0.34 (all time) to 0.48 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

HOBIX vs. TGRNX — Risk / Return Rank

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

HOBIX

HOBIX Risk / Return Rank: 98
HOBIX Sharpe Ratio Rank: 95
HOBIX Sortino Ratio Rank: 99
HOBIX Omega Ratio Rank: 100
HOBIX Calmar Ratio Rank: 99
HOBIX Martin Ratio Rank: 99

TGRNX

TGRNX Risk / Return Rank: 36
TGRNX Sharpe Ratio Rank: 33
TGRNX Sortino Ratio Rank: 37
TGRNX Omega Ratio Rank: 34
TGRNX Calmar Ratio Rank: 40
TGRNX Martin Ratio Rank: 36

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.

HOBIX vs. TGRNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Holbrook Income Fund Class I (HOBIX) and TIAA-CREF Green Bond Fund (TGRNX). 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.

	HOBIX	TGRNX	Difference
Sharpe ratio Return per unit of total volatility	3.31	1.65	+1.65
Sortino ratio Return per unit of downside risk	10.66	2.57	+8.09
Omega ratio Gain probability vs. loss probability	5.19	1.31	+3.88
Calmar ratio Return relative to maximum drawdown	14.03	2.44	+11.59
Martin ratio Return relative to average drawdown	48.98	8.05	+40.94
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

HOBIX vs. TGRNX - Sharpe Ratio Comparison

The current HOBIX Sharpe Ratio is 3.31, which is higher than the TGRNX Sharpe Ratio of 1.65. The chart below compares the historical Sharpe Ratios of HOBIX and TGRNX, 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

	HOBIX	TGRNX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.31	1.65	+1.65
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.64	0.08	+1.56
Sharpe Ratio (All Time) Calculated using the full available price history	0.85	0.54	+0.31

Drawdowns

HOBIX vs. TGRNX - Drawdown Comparison

The maximum HOBIX drawdown since its inception was -23.52%, which is greater than TGRNX's maximum drawdown of -17.85%. Use the drawdown chart below to compare losses from any high point for HOBIX and TGRNX.

Drawdown Indicators

	HOBIX	TGRNX	Difference
Max Drawdown Largest peak-to-trough decline	-23.52%	-17.85%	-5.67%
Max Drawdown (1Y) Largest decline over 1 year	-0.51%	-2.47%	+1.96%
Max Drawdown (3Y) Largest decline over 3 years	-2.77%	-3.99%	+1.22%
Max Drawdown (5Y) Largest decline over 5 years	-4.16%	-17.85%	+13.69%
Current Drawdown Current decline from peak	0.00%	-0.78%	+0.78%
Average Drawdown Average peak-to-trough decline	-0.97%	-5.23%	+4.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.15%	0.75%	-0.60%

Volatility

HOBIX vs. TGRNX - Volatility Comparison

The current volatility for Holbrook Income Fund Class I (HOBIX) is 0.53%, while TIAA-CREF Green Bond Fund (TGRNX) has a volatility of 1.06%. This indicates that HOBIX experiences smaller price fluctuations and is considered to be less risky than TGRNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	HOBIX	TGRNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.53%	1.06%	-0.53%
Volatility (6M) Calculated over the trailing 6-month period	1.63%	2.31%	-0.68%
Volatility (1Y) Calculated over the trailing 1-year period	2.01%	3.15%	-1.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.65%	4.84%	-2.19%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.74%	4.82%	+0.92%

HOBIX vs. TGRNX - Expense Ratio Comparison

HOBIX has a 1.05% expense ratio, which is higher than TGRNX's 0.45% expense ratio.

Dividends

HOBIX vs. TGRNX - Dividend Comparison

HOBIX's dividend yield for the trailing twelve months is around 6.29%, more than TGRNX's 4.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
HOBIX Holbrook Income Fund Class I	6.29%	6.45%	7.04%	6.35%	5.31%	3.97%	6.30%	3.51%	4.32%	2.12%
TGRNX TIAA-CREF Green Bond Fund	4.29%	4.31%	4.48%	3.30%	2.69%	2.76%	4.20%	4.38%	0.43%	0.00%

Frequently Asked Questions

Can I hold both HOBIX and TGRNX in my portfolio?

HOBIX and TGRNX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, HOBIX or TGRNX?

TGRNX has higher volatility (1.06%) compared to HOBIX (0.53%). In terms of maximum drawdown, HOBIX dropped -23.52% vs TGRNX's -17.85%.

Which has better risk-adjusted returns?

HOBIX currently has the higher Sharpe Ratio (3.31 vs 1.65), 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.