GCEYX vs. ALTFX

Last updated Jun 5, 2026

GCEYX (AB Global Core Equity Portfolio) and ALTFX (AB Sustainable Global Thematic Fund) are both Global Equities funds from AllianceBernstein. Over the past 10 years, GCEYX returned 8.91%/yr vs 11.36%/yr for ALTFX. Their correlation of 0.89 suggests significant overlap in exposure. GCEYX charges 0.79%/yr vs 1.02%/yr for ALTFX.

Performance

GCEYX vs. ALTFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB Global Core Equity Portfolio (GCEYX) 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, GCEYX achieves a 6.04% return, which is significantly higher than ALTFX's 4.84% return. Over the past 10 years, GCEYX has underperformed ALTFX with an annualized return of 8.91%, while ALTFX has yielded a comparatively higher 11.36% annualized return.

GCEYX

• 1D: -1.32%
• 1M: 2.48%
• YTD: 6.04%
• 6M: -2.87%
• 1Y: 2.87%
• 3Y*: 9.50%
• 5Y*: 2.93%
• 10Y*: 8.91%

ALTFX

• 1D: -0.85%
• 1M: 3.40%
• YTD: 4.84%
• 6M: 3.62%
• 1Y: 8.64%
• 3Y*: 8.47%
• 5Y*: 2.55%
• 10Y*: 11.36%

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

GCEYX vs. ALTFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GCEYX AB Global Core Equity Portfolio	6.04%	4.28%	10.11%	19.88%	-20.16%	14.73%	10.35%	27.70%	-5.12%	25.51%
ALTFX AB Sustainable Global Thematic Fund	4.84%	6.22%	5.94%	15.97%	-27.19%	22.64%	39.40%	33.60%	-9.86%	37.16%

Correlation

The correlation between GCEYX and ALTFX is 0.88, 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	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Jan 5, 2015	0.89

The correlation between GCEYX and ALTFX has been stable across timeframes, ranging from 0.88 to 0.91 - a consistent structural relationship.

Return for Risk

GCEYX vs. ALTFX — Risk / Return Rank

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

GCEYX

GCEYX Risk / Return Rank: 4
GCEYX Sharpe Ratio Rank: 4
GCEYX Sortino Ratio Rank: 4
GCEYX Omega Ratio Rank: 5
GCEYX Calmar Ratio Rank: 4
GCEYX Martin Ratio Rank: 4

ALTFX

ALTFX Risk / Return Rank: 7
ALTFX Sharpe Ratio Rank: 8
ALTFX Sortino Ratio Rank: 8
ALTFX Omega Ratio Rank: 8
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.

GCEYX vs. ALTFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB Global Core Equity Portfolio (GCEYX) 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.

	GCEYX	ALTFX	Difference
Sharpe ratio: Return per unit of total volatility	0.20	0.61	-0.41
Sortino ratio: Return per unit of downside risk	0.35	0.94	-0.60
Omega ratio: Gain probability vs. loss probability	1.06	1.12	-0.06
Calmar ratio: Return relative to maximum drawdown	0.18	0.56	-0.38
Martin ratio: Return relative to average drawdown	0.48	1.67	-1.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GCEYX vs. ALTFX - Sharpe Ratio Comparison

The current GCEYX Sharpe Ratio is 0.20, which is lower than the ALTFX Sharpe Ratio of 0.61. The chart below compares the historical Sharpe Ratios of GCEYX 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

	GCEYX	ALTFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.20	0.61	-0.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.17	0.14	+0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	0.63	-0.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.46	0.28	+0.18

Drawdowns

GCEYX vs. ALTFX - Drawdown Comparison

The maximum GCEYX drawdown since its inception was -33.47%, smaller than the maximum ALTFX drawdown of -80.01%. Use the drawdown chart below to compare losses from any high point for GCEYX and ALTFX.

Drawdown Indicators

	GCEYX	ALTFX	Difference
Max Drawdown Largest peak-to-trough decline	-33.47%	-80.01%	+46.54%
Max Drawdown (1Y) Largest decline over 1 year	-18.35%	-15.81%	-2.54%
Max Drawdown (3Y) Largest decline over 3 years	-18.35%	-22.92%	+4.57%
Max Drawdown (5Y) Largest decline over 5 years	-32.17%	-35.87%	+3.70%
Max Drawdown (10Y) Largest decline over 10 years	-33.47%	-35.87%	+2.40%
Current Drawdown Current decline from peak	-5.34%	-1.83%	-3.51%
Average Drawdown Average peak-to-trough decline	-6.41%	-36.95%	+30.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.02%	5.28%	+1.74%

Volatility

GCEYX vs. ALTFX - Volatility Comparison

The current volatility for AB Global Core Equity Portfolio (GCEYX) is 4.20%, while AB Sustainable Global Thematic Fund (ALTFX) has a volatility of 4.98%. This indicates that GCEYX 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

	GCEYX	ALTFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.20%	4.98%	-0.78%
Volatility (6M) Calculated over the trailing 6-month period	15.39%	11.55%	+3.84%
Volatility (1Y) Calculated over the trailing 1-year period	16.99%	14.51%	+2.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.02%	18.19%	-1.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.38%	18.05%	-0.67%

GCEYX vs. ALTFX - Expense Ratio Comparison

GCEYX has a 0.79% expense ratio, which is lower than ALTFX's 1.02% expense ratio.

Dividends

GCEYX vs. ALTFX - Dividend Comparison

GCEYX has not paid dividends to shareholders, while ALTFX's dividend yield for the trailing twelve months is around 12.90%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ALTFX AB Sustainable Global Thematic Fund	12.90%	13.53%	8.18%	0.03%	2.61%	9.99%	7.23%	6.01%	8.36%	0.00%	4.05%	0.00%
GCEYX AB Global Core Equity Portfolio	0.00%	0.00%	2.77%	1.05%	4.34%	1.86%	0.78%	3.40%	2.91%	4.67%	1.00%	1.19%

Frequently Asked Questions

Can I hold both GCEYX and ALTFX in my portfolio?

GCEYX and ALTFX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GCEYX or ALTFX?

ALTFX has higher volatility (4.98%) compared to GCEYX (4.20%). In terms of maximum drawdown, GCEYX dropped -33.47% vs ALTFX's -80.01%.

Which has better risk-adjusted returns?

ALTFX currently has the higher Sharpe Ratio (0.61 vs 0.20), 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.