ARINX vs. GMDYX

Last updated Jun 5, 2026

ARINX (Archer Income Fund) and GMDYX (GuideStone Funds Medium-Duration Bond Fund) are both Intermediate Core-Plus Bond funds. Over the past 10 years, ARINX returned 2.20%/yr vs 1.84%/yr for GMDYX. A 0.67 correlation means they provide meaningful diversification when combined. ARINX charges 0.98%/yr vs 0.39%/yr for GMDYX.

Performance

ARINX vs. GMDYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Archer Income Fund (ARINX) 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, ARINX achieves a 0.53% return, which is significantly higher than GMDYX's 0.10% return. Over the past 10 years, ARINX has outperformed GMDYX with an annualized return of 2.20%, while GMDYX has yielded a comparatively lower 1.84% annualized return.

ARINX

• 1D: -0.11%
• 1M: 0.07%
• YTD: 0.53%
• 6M: 0.64%
• 1Y: 3.74%
• 3Y*: 4.71%
• 5Y*: 1.34%
• 10Y*: 2.20%

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)

ARINX vs. GMDYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ARINX Archer Income Fund	0.53%	4.42%	4.90%	3.99%	-6.84%	1.52%	4.29%	6.19%	0.35%	3.18%
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 ARINX and GMDYX is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.87
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (10Y) Calculated over the trailing 10-year period	0.74
Correlation (All Time) Calculated using the full available price history since Mar 10, 2011	0.67

Over the past year, ARINX and GMDYX have become more correlated (0.89) than their long-term average of 0.67, meaning their price movements have been converging.

Return for Risk

ARINX vs. GMDYX — Risk / Return Rank

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

ARINX

ARINX Risk / Return Rank: 54
ARINX Sharpe Ratio Rank: 56
ARINX Sortino Ratio Rank: 63
ARINX Omega Ratio Rank: 67
ARINX Calmar Ratio Rank: 44
ARINX Martin Ratio Rank: 41

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.

ARINX vs. GMDYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Archer Income Fund (ARINX) 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.

	ARINX	GMDYX	Difference
Sharpe ratio: Return per unit of total volatility	2.19	1.53	+0.66
Sortino ratio: Return per unit of downside risk	3.30	2.27	+1.03
Omega ratio: Gain probability vs. loss probability	1.45	1.28	+0.17
Calmar ratio: Return relative to maximum drawdown	2.50	2.02	+0.47
Martin ratio: Return relative to average drawdown	8.67	6.14	+2.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARINX vs. GMDYX - Sharpe Ratio Comparison

The current ARINX Sharpe Ratio is 2.19, which is higher than the GMDYX Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of ARINX 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

	ARINX	GMDYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.19	1.53	+0.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.00	+0.65
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.12	0.37	+0.75
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.16	+0.37

Drawdowns

ARINX vs. GMDYX - Drawdown Comparison

The maximum ARINX drawdown since its inception was -9.38%, smaller than the maximum GMDYX drawdown of -23.08%. Use the drawdown chart below to compare losses from any high point for ARINX and GMDYX.

Drawdown Indicators

	ARINX	GMDYX	Difference
Max Drawdown Largest peak-to-trough decline	-9.38%	-23.08%	+13.70%
Max Drawdown (1Y) Largest decline over 1 year	-1.57%	-2.94%	+1.37%
Max Drawdown (3Y) Largest decline over 3 years	-1.57%	-6.60%	+5.03%
Max Drawdown (5Y) Largest decline over 5 years	-9.38%	-20.30%	+10.92%
Max Drawdown (10Y) Largest decline over 10 years	-9.38%	-20.75%	+11.37%
Current Drawdown Current decline from peak	-0.68%	-2.43%	+1.75%
Average Drawdown Average peak-to-trough decline	-1.72%	-6.74%	+5.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.45%	0.97%	-0.52%

Volatility

ARINX vs. GMDYX - Volatility Comparison

The current volatility for Archer Income Fund (ARINX) is 0.78%, while GuideStone Funds Medium-Duration Bond Fund (GMDYX) has a volatility of 1.42%. This indicates that ARINX experiences smaller price fluctuations and is considered to be less risky than GMDYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARINX	GMDYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.78%	1.42%	-0.64%
Volatility (6M) Calculated over the trailing 6-month period	1.46%	2.88%	-1.42%
Volatility (1Y) Calculated over the trailing 1-year period	1.79%	3.88%	-2.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.06%	5.95%	-3.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.97%	4.95%	-2.98%

ARINX vs. GMDYX - Expense Ratio Comparison

ARINX has a 0.98% expense ratio, which is higher than GMDYX's 0.39% expense ratio.

Dividends

ARINX vs. GMDYX - Dividend Comparison

ARINX's dividend yield for the trailing twelve months is around 3.59%, less than GMDYX's 4.44% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARINX Archer Income Fund	3.59%	2.72%	3.77%	3.15%	2.72%	2.56%	2.66%	2.69%	2.84%	2.94%	2.84%	2.79%
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 ARINX and GMDYX in my portfolio?

ARINX and GMDYX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ARINX or GMDYX?

GMDYX has higher volatility (1.42%) compared to ARINX (0.78%). In terms of maximum drawdown, ARINX dropped -9.38% vs GMDYX's -23.08%.

Which has better risk-adjusted returns?

ARINX currently has the higher Sharpe Ratio (2.19 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.