DIPSX vs. DFIGX

Last updated Jun 23, 2026

DIPSX (DFA Inflation-Protected Securities Portfolio) and DFIGX (DFA Intermediate Government Fixed Income Portfolio) are both mutual funds - DIPSX is a Inflation-Protected Bonds fund managed by Dimensional, while DFIGX is a Government Bonds fund managed by Dimensional. Over the past 10 years, DIPSX returned 2.58%/yr vs 0.82%/yr for DFIGX. Their correlation of 0.80 suggests significant overlap in exposure. Both charge a 0.11% expense ratio.

Performance

DIPSX vs. DFIGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DFA Inflation-Protected Securities Portfolio (DIPSX) and DFA Intermediate Government Fixed Income Portfolio (DFIGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DIPSX achieves a 1.26% return, which is significantly higher than DFIGX's 0.34% return. Over the past 10 years, DIPSX has outperformed DFIGX with an annualized return of 2.58%, while DFIGX has yielded a comparatively lower 0.82% annualized return.

DIPSX

• 1D: 0.36%
• 1M: 0.36%
• YTD: 1.26%
• 6M: 1.35%
• 1Y: 2.88%
• 3Y*: 3.51%
• 5Y*: 0.89%
• 10Y*: 2.58%

DFIGX

• 1D: 0.27%
• 1M: 0.81%
• YTD: 0.34%
• 6M: 0.43%
• 1Y: 3.14%
• 3Y*: 3.11%
• 5Y*: -0.59%
• 10Y*: 0.82%

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

DIPSX vs. DFIGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DIPSX DFA Inflation-Protected Securities Portfolio	1.26%	5.77%	2.02%	3.93%	-12.26%	5.55%	11.65%	8.54%	-1.30%	3.28%
DFIGX DFA Intermediate Government Fixed Income Portfolio	0.34%	6.33%	0.47%	4.58%	-13.12%	-3.14%	9.10%	7.22%	0.92%	1.65%

Correlation

The correlation between DIPSX and DFIGX is 0.85, 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	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.80
Correlation (All Time) Calculated using the full available price history since Aug 3, 2012	0.80

The correlation between DIPSX and DFIGX has been stable across timeframes, ranging from 0.80 to 0.89 - a consistent structural relationship.

Return for Risk

DIPSX vs. DFIGX — Risk / Return Rank

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

DIPSX

DIPSX Risk / Return Rank: 14
DIPSX Sharpe Ratio Rank: 12
DIPSX Sortino Ratio Rank: 12
DIPSX Omega Ratio Rank: 11
DIPSX Calmar Ratio Rank: 20
DIPSX Martin Ratio Rank: 17

DFIGX

DFIGX Risk / Return Rank: 11
DFIGX Sharpe Ratio Rank: 11
DFIGX Sortino Ratio Rank: 12
DFIGX Omega Ratio Rank: 10
DFIGX Calmar Ratio Rank: 12
DFIGX Martin Ratio Rank: 11

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.

DIPSX vs. DFIGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DFA Inflation-Protected Securities Portfolio (DIPSX) and DFA Intermediate Government Fixed Income Portfolio (DFIGX). 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.

	DIPSX	DFIGX	Difference
Sharpe ratio: Return per unit of total volatility	0.88	0.85	+0.04
Sortino ratio: Return per unit of downside risk	1.29	1.28	+0.01
Omega ratio: Gain probability vs. loss probability	1.16	1.15	+0.01
Calmar ratio: Return relative to maximum drawdown	1.52	1.06	+0.46
Martin ratio: Return relative to average drawdown	4.22	2.90	+1.32

DIPSX vs. DFIGX - Sharpe Ratio Comparison

The current DIPSX Sharpe Ratio is 0.88, which is comparable to the DFIGX Sharpe Ratio of 0.85. The chart below compares the historical Sharpe Ratios of DIPSX and DFIGX, 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

DIPSX vs. DFIGX - Drawdown Comparison

The maximum DIPSX drawdown since its inception was -14.64%, smaller than the maximum DFIGX drawdown of -19.56%. Use the drawdown chart below to compare losses from any high point for DIPSX and DFIGX.

Drawdown Indicators

	DIPSX	DFIGX	Difference
Max Drawdown Largest peak-to-trough decline	-14.64%	-19.56%	+4.92%
Max Drawdown (1Y) Largest decline over 1 year	-2.03%	-3.08%	+1.05%
Max Drawdown (3Y) Largest decline over 3 years	-4.75%	-5.47%	+0.72%
Max Drawdown (5Y) Largest decline over 5 years	-14.64%	-17.62%	+2.98%
Max Drawdown (10Y) Largest decline over 10 years	-14.64%	-19.56%	+4.92%
Current Drawdown Current decline from peak	-1.04%	-7.06%	+6.02%
Average Drawdown Average peak-to-trough decline	-4.54%	-3.12%	-1.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.73%	1.12%	-0.39%

Volatility

DIPSX vs. DFIGX - Volatility Comparison

DFA Inflation-Protected Securities Portfolio (DIPSX) and DFA Intermediate Government Fixed Income Portfolio (DFIGX) have volatilities of 1.12% and 1.09%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DIPSX	DFIGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.12%	1.09%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	2.39%	2.74%	-0.35%
Volatility (1Y) Calculated over the trailing 1-year period	3.51%	3.86%	-0.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.34%	6.22%	+0.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.71%	5.35%	+0.36%

DIPSX vs. DFIGX - Expense Ratio Comparison

Both DIPSX and DFIGX have an expense ratio of 0.11%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

DIPSX vs. DFIGX - Dividend Comparison

DIPSX's dividend yield for the trailing twelve months is around 2.03%, less than DFIGX's 2.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DFIGX DFA Intermediate Government Fixed Income Portfolio	2.29%	2.22%	2.82%	2.33%	1.78%	2.36%	4.14%	2.16%	2.19%	1.57%	1.66%	2.49%
DIPSX DFA Inflation-Protected Securities Portfolio	2.03%	2.43%	2.70%	3.73%	8.14%	4.86%	1.58%	2.12%	2.28%	2.64%	1.99%	0.69%

Frequently Asked Questions

Can I hold both DIPSX and DFIGX in my portfolio?

DIPSX and DFIGX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DIPSX or DFIGX?

DIPSX has higher volatility (1.12%) compared to DFIGX (1.09%). In terms of maximum drawdown, DIPSX dropped -14.64% vs DFIGX's -19.56%.

Which has better risk-adjusted returns?

DIPSX currently has the higher Sharpe Ratio (0.88 vs 0.85), 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.