DFYGX vs. PIASX

Last updated Aug 1, 2026

DFYGX (DFA Two-Year Government Portfolio) and PIASX (PIA Short Term Securities Fund) are both Ultrashort Bond funds. Over the past 10 years, DFYGX returned 1.44%/yr vs 2.28%/yr for PIASX. Their 0.31 correlation means their historical movements had little consistent relationship. DFYGX charges 0.17%/yr vs 0.39%/yr for PIASX.

Performance

DFYGX vs. PIASX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DFA Two-Year Government Portfolio (DFYGX) and PIA Short Term Securities Fund (PIASX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DFYGX achieves a 1.80% return, which is significantly higher than PIASX's 0.90% return. Over the past 10 years, DFYGX has underperformed PIASX with an annualized return of 1.44%, while PIASX has yielded a comparatively higher 2.28% annualized return.

DFYGX

• 1D: 0.00%
• 1M: 0.21%
• 6M: 1.48%
• YTD: 1.80%
• 1Y: 3.46%
• 3Y*: 3.77%
• 5Y*: 2.07%
• 10Y*: 1.44%
• ALL TIME*: 2.43%

PIASX

• 1D: 0.00%
• 1M: 0.28%
• 6M: 0.59%
• YTD: 0.90%
• 1Y: 2.82%
• 3Y*: 4.74%
• 5Y*: 3.05%
• 10Y*: 2.28%
• ALL TIME*: 2.17%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DFYGX DFA Two-Year Government Portfolio	$0.00	$0.00	$0.00
PIASX PIA Short Term Securities Fund	$0.00	$0.00	$0.00

DFYGX vs. PIASX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DFYGX DFA Two-Year Government Portfolio	1.80%	2.16%	5.15%	5.00%	-3.02%	-0.51%	0.38%	2.20%	1.42%	0.29%
PIASX PIA Short Term Securities Fund	0.90%	5.09%	5.22%	5.62%	-1.09%	-0.02%	1.85%	3.16%	1.20%	0.95%

Correlation

The correlation between DFYGX and PIASX is 0.19, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.19
Correlation (3Y) Balances recent behavior with more history.	0.14
Correlation (5Y) Shows whether the relationship held over a longer period.	0.32
Correlation (10Y) Provides a long-term view across more market conditions.	0.27
Correlation (All Time) Calculated using the full available price history since Jun 6, 1996	0.31

The correlation between DFYGX and PIASX shifts across timeframes, from 0.14 (3 years) to 0.32 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

DFYGX vs. PIASX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

DFYGX

DFYGX Risk / Return Rank: 99
DFYGX Sharpe Ratio Rank: 99
DFYGX Sortino Ratio Rank: 99
DFYGX Omega Ratio Rank: 99
DFYGX Calmar Ratio Rank: 99
DFYGX Martin Ratio Rank: 100

PIASX

PIASX Risk / Return Rank: 97
PIASX Sharpe Ratio Rank: 98
PIASX Sortino Ratio Rank: 97
PIASX Omega Ratio Rank: 98
PIASX Calmar Ratio Rank: 96
PIASX Martin Ratio Rank: 96

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

DFYGX vs. PIASX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DFA Two-Year Government Portfolio (DFYGX) and PIA Short Term Securities Fund (PIASX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	DFYGX	PIASX	Difference
Sharpe ratio: Return per unit of total volatility	4.51	2.96	+1.55
Sortino ratio: Return per unit of downside risk	8.71	4.67	+4.04
Omega ratio: Gain probability vs. loss probability	3.61	1.94	+1.66
Calmar ratio: Return relative to maximum drawdown	16.78	4.52	+12.26
Martin ratio: Return relative to average drawdown	83.76	17.83	+65.92

DFYGX vs. PIASX - Sharpe Ratio Comparison

The current DFYGX Sharpe Ratio is 4.51, which is higher than the PIASX Sharpe Ratio of 2.96. The chart below compares the historical Sharpe Ratios of DFYGX and PIASX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

DFYGX vs. PIASX - Drawdown Comparison

The maximum DFYGX drawdown since its inception was -4.46%, which is greater than PIASX's maximum drawdown of -3.28%. Use the drawdown chart below to compare losses from any high point for DFYGX and PIASX.

Drawdown Indicators

	DFYGX	PIASX	Difference
Max Drawdown Largest peak-to-trough decline	-4.46%	-3.28%	-1.18%
Max Drawdown (1Y) Largest decline over 1 year	-0.21%	-0.70%	+0.49%
Max Drawdown (3Y) Largest decline over 3 years	-1.04%	-0.70%	-0.34%
Max Drawdown (5Y) Largest decline over 5 years	-4.36%	-2.61%	-1.75%
Max Drawdown (10Y) Largest decline over 10 years	-4.46%	-2.61%	-1.85%
Current Drawdown Current decline from peak	0.00%	-0.02%	+0.02%
Average Drawdown Average peak-to-trough decline	-0.30%	-0.25%	-0.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.04%	0.18%	-0.14%

Volatility

DFYGX vs. PIASX - Volatility Comparison

The current volatility for DFA Two-Year Government Portfolio (DFYGX) is 0.28%, while PIA Short Term Securities Fund (PIASX) has a volatility of 0.30%. This indicates that DFYGX experiences smaller price fluctuations and is considered to be less risky than PIASX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DFYGX	PIASX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.28%	0.30%	-0.02%
Volatility (6M) Calculated over the trailing 6-month period	0.65%	0.84%	-0.19%
Volatility (1Y) Calculated over the trailing 1-year period	0.78%	1.07%	-0.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.25%	1.12%	+0.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.00%	0.97%	+0.03%

DFYGX vs. PIASX - Expense Ratio Comparison

DFYGX has a 0.17% expense ratio, which is lower than PIASX's 0.39% expense ratio.

Dividends

DFYGX vs. PIASX - Dividend Comparison

DFYGX's dividend yield for the trailing twelve months is around 3.73%, more than PIASX's 3.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DFYGX DFA Two-Year Government Portfolio	3.73%	2.04%	4.84%	3.07%	1.14%	0.00%	0.27%	1.87%	1.82%	1.01%	0.58%	0.49%
PIASX PIA Short Term Securities Fund	3.61%	4.57%	4.69%	3.61%	1.32%	0.78%	1.34%	2.01%	1.59%	1.15%	1.05%	0.81%

Frequently Asked Questions

Can I hold both DFYGX and PIASX in my portfolio?

DFYGX and PIASX have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DFYGX or PIASX?

PIASX has higher volatility (0.30%) compared to DFYGX (0.28%). In terms of maximum drawdown, DFYGX dropped -4.46% vs PIASX's -3.28%.

Which has better risk-adjusted returns?

DFYGX currently has the higher Sharpe Ratio (4.51 vs 2.96), 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.