AGDAX vs. ALTFX

Last updated Jun 4, 2026

AGDAX (AB High Income Fund) and ALTFX (AB Sustainable Global Thematic Fund) are both mutual funds - AGDAX is a High Yield Bonds fund managed by AllianceBernstein, while ALTFX is a Global Equities fund managed by AllianceBernstein. Over the past 10 years, AGDAX returned 4.66%/yr vs 11.46%/yr for ALTFX. At a 0.32 correlation, their price movements are largely independent. AGDAX charges 0.84%/yr vs 1.02%/yr for ALTFX.

Performance

AGDAX vs. ALTFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB High Income Fund (AGDAX) and AB Sustainable Global Thematic Fund (ALTFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AGDAX achieves a 2.07% return, which is significantly lower than ALTFX's 5.73% return. Over the past 10 years, AGDAX has underperformed ALTFX with an annualized return of 4.66%, while ALTFX has yielded a comparatively higher 11.46% annualized return.

AGDAX

• 1D: 0.00%
• 1M: 0.71%
• YTD: 2.07%
• 6M: 2.49%
• 1Y: 7.67%
• 3Y*: 9.01%
• 5Y*: 3.80%
• 10Y*: 4.66%

ALTFX

• 1D: 0.54%
• 1M: 5.67%
• YTD: 5.73%
• 6M: 4.98%
• 1Y: 9.72%
• 3Y*: 8.78%
• 5Y*: 2.92%
• 10Y*: 11.46%

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

AGDAX vs. ALTFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AGDAX AB High Income Fund	2.07%	8.06%	7.36%	13.63%	-12.45%	3.87%	2.91%	13.71%	-5.29%	7.94%
ALTFX AB Sustainable Global Thematic Fund	5.73%	6.22%	5.94%	15.97%	-27.19%	22.64%	39.40%	33.60%	-9.86%	37.16%

Correlation

The correlation between AGDAX and ALTFX is 0.51, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.51
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (10Y) Calculated over the trailing 10-year period	0.49
Correlation (All Time) Calculated using the full available price history since Jan 17, 1996	0.32

The correlation between AGDAX and ALTFX shifts across timeframes, from 0.32 (all time) to 0.52 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

AGDAX vs. ALTFX — Risk / Return Rank

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

AGDAX

AGDAX Risk / Return Rank: 73
AGDAX Sharpe Ratio Rank: 65
AGDAX Sortino Ratio Rank: 88
AGDAX Omega Ratio Rank: 84
AGDAX Calmar Ratio Rank: 55
AGDAX Martin Ratio Rank: 74

ALTFX

ALTFX Risk / Return Rank: 8
ALTFX Sharpe Ratio Rank: 9
ALTFX Sortino Ratio Rank: 9
ALTFX Omega Ratio Rank: 9
ALTFX Calmar Ratio Rank: 6
ALTFX Martin Ratio Rank: 7

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.

AGDAX vs. ALTFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB High Income Fund (AGDAX) and AB Sustainable Global Thematic Fund (ALTFX). 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.

	AGDAX	ALTFX	Difference
Sharpe ratio: Return per unit of total volatility	2.37	0.71	+1.66
Sortino ratio: Return per unit of downside risk	4.23	1.08	+3.15
Omega ratio: Gain probability vs. loss probability	1.56	1.14	+0.43
Calmar ratio: Return relative to maximum drawdown	2.84	0.65	+2.19
Martin ratio: Return relative to average drawdown	14.01	1.94	+12.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AGDAX vs. ALTFX - Sharpe Ratio Comparison

The current AGDAX Sharpe Ratio is 2.37, which is higher than the ALTFX Sharpe Ratio of 0.71. The chart below compares the historical Sharpe Ratios of AGDAX and ALTFX, 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

	AGDAX	ALTFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.37	0.71	+1.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.77	0.16	+0.61
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.83	0.64	+0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.87	0.28	+0.60

Drawdowns

AGDAX vs. ALTFX - Drawdown Comparison

The maximum AGDAX drawdown since its inception was -45.59%, smaller than the maximum ALTFX drawdown of -80.01%. Use the drawdown chart below to compare losses from any high point for AGDAX and ALTFX.

Drawdown Indicators

	AGDAX	ALTFX	Difference
Max Drawdown Largest peak-to-trough decline	-45.59%	-80.01%	+34.42%
Max Drawdown (1Y) Largest decline over 1 year	-2.76%	-15.81%	+13.05%
Max Drawdown (3Y) Largest decline over 3 years	-4.24%	-22.92%	+18.68%
Max Drawdown (5Y) Largest decline over 5 years	-16.96%	-35.87%	+18.91%
Max Drawdown (10Y) Largest decline over 10 years	-25.82%	-35.87%	+10.05%
Current Drawdown Current decline from peak	0.00%	-0.99%	+0.99%
Average Drawdown Average peak-to-trough decline	-4.47%	-36.95%	+32.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.56%	5.28%	-4.72%

Volatility

AGDAX vs. ALTFX - Volatility Comparison

The current volatility for AB High Income Fund (AGDAX) is 0.98%, while AB Sustainable Global Thematic Fund (ALTFX) has a volatility of 4.89%. This indicates that AGDAX experiences smaller price fluctuations and is considered to be less risky than ALTFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AGDAX	ALTFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.98%	4.89%	-3.91%
Volatility (6M) Calculated over the trailing 6-month period	2.60%	11.56%	-8.96%
Volatility (1Y) Calculated over the trailing 1-year period	3.31%	14.48%	-11.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.93%	18.19%	-13.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.65%	18.05%	-12.40%

AGDAX vs. ALTFX - Expense Ratio Comparison

AGDAX has a 0.84% expense ratio, which is lower than ALTFX's 1.02% expense ratio.

Dividends

AGDAX vs. ALTFX - Dividend Comparison

AGDAX's dividend yield for the trailing twelve months is around 6.68%, less than ALTFX's 12.80% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AGDAX AB High Income Fund	6.68%	6.85%	5.89%	6.53%	6.79%	4.95%	5.86%	6.27%	7.47%	5.84%	6.25%	7.42%
ALTFX AB Sustainable Global Thematic Fund	12.80%	13.53%	8.18%	0.03%	2.61%	9.99%	7.23%	6.01%	8.36%	0.00%	4.05%	0.00%

Frequently Asked Questions

Can I hold both AGDAX and ALTFX in my portfolio?

AGDAX and ALTFX have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AGDAX or ALTFX?

ALTFX has higher volatility (4.89%) compared to AGDAX (0.98%). In terms of maximum drawdown, AGDAX dropped -45.59% vs ALTFX's -80.01%.

Which has better risk-adjusted returns?

AGDAX currently has the higher Sharpe Ratio (2.37 vs 0.71), 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.