GMDYX vs. GLDYX

Last updated Jun 5, 2026

GMDYX (GuideStone Funds Medium-Duration Bond Fund) and GLDYX (GuideStone Funds Low-Duration Bond Fund) are both mutual funds - GMDYX is a Intermediate Core-Plus Bond fund managed by GuideStone Funds, while GLDYX is a Short-Term Bond fund managed by GuideStone Funds. Over the past 10 years, GMDYX returned 1.84%/yr vs 2.26%/yr for GLDYX. A 0.68 correlation means they provide meaningful diversification when combined. GMDYX charges 0.39%/yr vs 0.34%/yr for GLDYX.

Performance

GMDYX vs. GLDYX - Performance Comparison

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

Returns By Period

In the year-to-date period, GMDYX achieves a 0.10% return, which is significantly lower than GLDYX's 0.57% return. Over the past 10 years, GMDYX has underperformed GLDYX with an annualized return of 1.84%, while GLDYX has yielded a comparatively higher 2.26% annualized return.

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%

GLDYX

• 1D: -0.08%
• 1M: 0.15%
• YTD: 0.57%
• 6M: 1.04%
• 1Y: 3.76%
• 3Y*: 4.86%
• 5Y*: 2.11%
• 10Y*: 2.26%

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

GMDYX vs. GLDYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
GLDYX GuideStone Funds Low-Duration Bond Fund	0.57%	5.66%	4.81%	5.09%	-4.42%	-0.47%	3.39%	4.00%	1.83%	1.69%

Correlation

The correlation between GMDYX and GLDYX is 0.76, 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	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (10Y) Calculated over the trailing 10-year period	0.67
Correlation (All Time) Calculated using the full available price history since Jan 3, 2002	0.68

The correlation between GMDYX and GLDYX shifts across timeframes, from 0.67 (10 years) to 0.78 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

GMDYX vs. GLDYX — Risk / Return Rank

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

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

GLDYX

GLDYX Risk / Return Rank: 89
GLDYX Sharpe Ratio Rank: 89
GLDYX Sortino Ratio Rank: 93
GLDYX Omega Ratio Rank: 92
GLDYX Calmar Ratio Rank: 84
GLDYX Martin Ratio Rank: 87

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.

GMDYX vs. GLDYX - Risk-Adjusted Trends Comparison

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

	GMDYX	GLDYX	Difference
Sharpe ratio: Return per unit of total volatility	1.53	2.90	-1.37
Sortino ratio: Return per unit of downside risk	2.27	4.72	-2.45
Omega ratio: Gain probability vs. loss probability	1.28	1.69	-0.41
Calmar ratio: Return relative to maximum drawdown	2.02	3.88	-1.85
Martin ratio: Return relative to average drawdown	6.14	16.16	-10.02
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GMDYX vs. GLDYX - Sharpe Ratio Comparison

The current GMDYX Sharpe Ratio is 1.53, which is lower than the GLDYX Sharpe Ratio of 2.90. The chart below compares the historical Sharpe Ratios of GMDYX and GLDYX, 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

	GMDYX	GLDYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.53	2.90	-1.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.00	1.17	-1.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.37	1.46	-1.09
Sharpe Ratio (All Time) Calculated using the full available price history	0.16	0.66	-0.50

Drawdowns

GMDYX vs. GLDYX - Drawdown Comparison

The maximum GMDYX drawdown since its inception was -23.08%, which is greater than GLDYX's maximum drawdown of -11.73%. Use the drawdown chart below to compare losses from any high point for GMDYX and GLDYX.

Drawdown Indicators

	GMDYX	GLDYX	Difference
Max Drawdown Largest peak-to-trough decline	-23.08%	-11.73%	-11.35%
Max Drawdown (1Y) Largest decline over 1 year	-2.94%	-1.04%	-1.90%
Max Drawdown (3Y) Largest decline over 3 years	-6.60%	-1.04%	-5.56%
Max Drawdown (5Y) Largest decline over 5 years	-20.30%	-6.68%	-13.62%
Max Drawdown (10Y) Largest decline over 10 years	-20.75%	-6.68%	-14.07%
Current Drawdown Current decline from peak	-2.43%	-0.18%	-2.25%
Average Drawdown Average peak-to-trough decline	-6.74%	-2.16%	-4.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.97%	0.25%	+0.72%

Volatility

GMDYX vs. GLDYX - Volatility Comparison

GuideStone Funds Medium-Duration Bond Fund (GMDYX) has a higher volatility of 1.42% compared to GuideStone Funds Low-Duration Bond Fund (GLDYX) at 0.44%. This indicates that GMDYX's price experiences larger fluctuations and is considered to be riskier than GLDYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GMDYX	GLDYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.42%	0.44%	+0.98%
Volatility (6M) Calculated over the trailing 6-month period	2.88%	1.01%	+1.87%
Volatility (1Y) Calculated over the trailing 1-year period	3.88%	1.38%	+2.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.95%	1.82%	+4.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.95%	1.55%	+3.40%

GMDYX vs. GLDYX - Expense Ratio Comparison

GMDYX has a 0.39% expense ratio, which is higher than GLDYX's 0.34% expense ratio.

Dividends

GMDYX vs. GLDYX - Dividend Comparison

GMDYX's dividend yield for the trailing twelve months is around 4.44%, more than GLDYX's 4.10% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GLDYX GuideStone Funds Low-Duration Bond Fund	4.10%	4.32%	4.31%	3.36%	1.72%	1.02%	1.70%	2.49%	2.87%	1.60%	1.66%	1.03%
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 GMDYX and GLDYX in my portfolio?

GMDYX and GLDYX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GMDYX or GLDYX?

GMDYX has higher volatility (1.42%) compared to GLDYX (0.44%). In terms of maximum drawdown, GMDYX dropped -23.08% vs GLDYX's -11.73%.

Which has better risk-adjusted returns?

GLDYX currently has the higher Sharpe Ratio (2.90 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.