GGIZX vs. GMDYX

Last updated Jun 5, 2026

GGIZX (GuideStone Funds Balanced Allocation Fund) and GMDYX (GuideStone Funds Medium-Duration Bond Fund) are both mutual funds - GGIZX is a Diversified Portfolio fund managed by GuideStone Funds, while GMDYX is a Intermediate Core-Plus Bond fund managed by GuideStone Funds. Over the past 10 years, GGIZX returned 6.34%/yr vs 1.84%/yr for GMDYX. At a 0.11 correlation, their price movements are largely independent. GGIZX charges 0.38%/yr vs 0.39%/yr for GMDYX.

Performance

GGIZX vs. GMDYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in GuideStone Funds Balanced Allocation Fund (GGIZX) and GuideStone Funds Medium-Duration Bond Fund (GMDYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GGIZX achieves a 4.85% return, which is significantly higher than GMDYX's 0.10% return. Over the past 10 years, GGIZX has outperformed GMDYX with an annualized return of 6.34%, while GMDYX has yielded a comparatively lower 1.84% annualized return.

GGIZX

• 1D: -0.48%
• 1M: 1.95%
• YTD: 4.85%
• 6M: 5.24%
• 1Y: 13.13%
• 3Y*: 10.82%
• 5Y*: 4.34%
• 10Y*: 6.34%

GMDYX

• 1D: -0.23%
• 1M: 0.17%
• YTD: 0.10%
• 6M: 0.46%
• 1Y: 5.33%
• 3Y*: 4.63%
• 5Y*: 0.01%
• 10Y*: 1.84%

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

GGIZX vs. GMDYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GGIZX GuideStone Funds Balanced Allocation Fund	4.85%	12.49%	8.34%	12.32%	-15.60%	6.94%	10.66%	17.36%	-4.88%	12.31%
GMDYX GuideStone Funds Medium-Duration Bond Fund	0.10%	8.23%	1.86%	6.28%	-14.96%	-2.16%	9.18%	9.81%	-0.39%	4.11%

Correlation

The correlation between GGIZX and GMDYX is 0.55, 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	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (10Y) Calculated over the trailing 10-year period	0.28
Correlation (All Time) Calculated using the full available price history since Jan 3, 2002	0.11

Over the past year, GGIZX and GMDYX have become more correlated (0.55) than their long-term average of 0.11, meaning their price movements have been converging.

Return for Risk

GGIZX vs. GMDYX — Risk / Return Rank

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

GGIZX

GGIZX Risk / Return Rank: 48
GGIZX Sharpe Ratio Rank: 48
GGIZX Sortino Ratio Rank: 50
GGIZX Omega Ratio Rank: 51
GGIZX Calmar Ratio Rank: 38
GGIZX Martin Ratio Rank: 51

GMDYX

GMDYX Risk / Return Rank: 30
GMDYX Sharpe Ratio Rank: 31
GMDYX Sortino Ratio Rank: 32
GMDYX Omega Ratio Rank: 31
GMDYX Calmar Ratio Rank: 31
GMDYX Martin Ratio Rank: 26

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.

GGIZX vs. GMDYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GuideStone Funds Balanced Allocation Fund (GGIZX) and GuideStone Funds Medium-Duration Bond Fund (GMDYX). 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.

	GGIZX	GMDYX	Difference
Sharpe ratio: Return per unit of total volatility	2.02	1.53	+0.49
Sortino ratio: Return per unit of downside risk	2.92	2.27	+0.65
Omega ratio: Gain probability vs. loss probability	1.38	1.28	+0.11
Calmar ratio: Return relative to maximum drawdown	2.31	2.02	+0.29
Martin ratio: Return relative to average drawdown	10.22	6.14	+4.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GGIZX vs. GMDYX - Sharpe Ratio Comparison

The current GGIZX Sharpe Ratio is 2.02, which is higher than the GMDYX Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of GGIZX and GMDYX, 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

	GGIZX	GMDYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.02	1.53	+0.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.00	+0.52
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.37	+0.36
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.16	+0.37

Drawdowns

GGIZX vs. GMDYX - Drawdown Comparison

The maximum GGIZX drawdown since its inception was -36.00%, which is greater than GMDYX's maximum drawdown of -23.08%. Use the drawdown chart below to compare losses from any high point for GGIZX and GMDYX.

Drawdown Indicators

	GGIZX	GMDYX	Difference
Max Drawdown Largest peak-to-trough decline	-36.00%	-23.08%	-12.92%
Max Drawdown (1Y) Largest decline over 1 year	-5.87%	-2.94%	-2.93%
Max Drawdown (3Y) Largest decline over 3 years	-7.91%	-6.60%	-1.31%
Max Drawdown (5Y) Largest decline over 5 years	-21.33%	-20.30%	-1.03%
Max Drawdown (10Y) Largest decline over 10 years	-21.33%	-20.75%	-0.58%
Current Drawdown Current decline from peak	-0.48%	-2.43%	+1.95%
Average Drawdown Average peak-to-trough decline	-4.39%	-6.74%	+2.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.33%	0.97%	+0.36%

Volatility

GGIZX vs. GMDYX - Volatility Comparison

GuideStone Funds Balanced Allocation Fund (GGIZX) has a higher volatility of 2.26% compared to GuideStone Funds Medium-Duration Bond Fund (GMDYX) at 1.42%. This indicates that GGIZX's price experiences larger fluctuations and is considered to be riskier than GMDYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GGIZX	GMDYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.26%	1.42%	+0.84%
Volatility (6M) Calculated over the trailing 6-month period	5.43%	2.88%	+2.55%
Volatility (1Y) Calculated over the trailing 1-year period	6.72%	3.88%	+2.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.40%	5.95%	+2.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.69%	4.95%	+3.74%

GGIZX vs. GMDYX - Expense Ratio Comparison

GGIZX has a 0.38% expense ratio, which is lower than GMDYX's 0.39% expense ratio.

Dividends

GGIZX vs. GMDYX - Dividend Comparison

GGIZX's dividend yield for the trailing twelve months is around 7.84%, more than GMDYX's 4.44% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GGIZX GuideStone Funds Balanced Allocation Fund	7.84%	8.22%	4.40%	4.06%	7.00%	5.66%	4.76%	6.52%	4.46%	2.42%	3.23%	16.23%
GMDYX GuideStone Funds Medium-Duration Bond Fund	4.44%	4.53%	4.67%	3.56%	1.87%	1.87%	4.82%	4.09%	2.78%	2.11%	2.09%	3.25%

Frequently Asked Questions

Can I hold both GGIZX and GMDYX in my portfolio?

GGIZX and GMDYX have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GGIZX or GMDYX?

GGIZX has higher volatility (2.26%) compared to GMDYX (1.42%). In terms of maximum drawdown, GGIZX dropped -36.00% vs GMDYX's -23.08%.

Which has better risk-adjusted returns?

GGIZX currently has the higher Sharpe Ratio (2.02 vs 1.53), 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.