VTAPX vs. DBSCX

Last updated Jun 24, 2026

VTAPX (Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares) and DBSCX (Doubleline Selective Credit Fund) are both mutual funds - VTAPX is a Inflation-Protected Bonds fund tracking the Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Year Index, while DBSCX is a Multisector Bonds fund managed by DoubleLine. Over the past 10 years, VTAPX returned 3.02%/yr vs 4.54%/yr for DBSCX. At a 0.41 correlation, their price movements are largely independent. VTAPX charges 0.06%/yr vs 0.05%/yr for DBSCX.

Performance

VTAPX vs. DBSCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares (VTAPX) and Doubleline Selective Credit Fund (DBSCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VTAPX achieves a 1.33% return, which is significantly lower than DBSCX's 1.85% return. Over the past 10 years, VTAPX has underperformed DBSCX with an annualized return of 3.02%, while DBSCX has yielded a comparatively higher 4.54% annualized return.

VTAPX

• 1D: -0.12%
• 1M: -0.16%
• YTD: 1.33%
• 6M: 1.45%
• 1Y: 3.53%
• 3Y*: 4.98%
• 5Y*: 3.25%
• 10Y*: 3.02%

DBSCX

• 1D: -0.13%
• 1M: 0.52%
• YTD: 1.85%
• 6M: 1.93%
• 1Y: 6.01%
• 3Y*: 7.62%
• 5Y*: 3.80%
• 10Y*: 4.54%

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

VTAPX vs. DBSCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VTAPX Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares	1.33%	6.03%	4.73%	4.59%	-2.84%	5.26%	4.97%	4.85%	0.53%	0.82%
DBSCX Doubleline Selective Credit Fund	1.85%	8.46%	7.78%	8.55%	-8.10%	4.13%	1.83%	5.68%	3.03%	8.75%

Correlation

The correlation between VTAPX and DBSCX is 0.53, 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	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.62
Correlation (5Y) Calculated over the trailing 5-year period	0.57
Correlation (10Y) Calculated over the trailing 10-year period	0.44
Correlation (All Time) Calculated using the full available price history since Jan 2, 2015	0.41

The correlation between VTAPX and DBSCX shifts across timeframes, from 0.41 (all time) to 0.62 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

VTAPX vs. DBSCX — Risk / Return Rank

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

VTAPX

VTAPX Risk / Return Rank: 84
VTAPX Sharpe Ratio Rank: 74
VTAPX Sortino Ratio Rank: 81
VTAPX Omega Ratio Rank: 79
VTAPX Calmar Ratio Rank: 93
VTAPX Martin Ratio Rank: 93

DBSCX

DBSCX Risk / Return Rank: 94
DBSCX Sharpe Ratio Rank: 96
DBSCX Sortino Ratio Rank: 96
DBSCX Omega Ratio Rank: 94
DBSCX Calmar Ratio Rank: 93
DBSCX Martin Ratio Rank: 94

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.

VTAPX vs. DBSCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares (VTAPX) and Doubleline Selective Credit Fund (DBSCX). 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.

	VTAPX	DBSCX	Difference
Sharpe ratio: Return per unit of total volatility	2.29	3.13	-0.84
Sortino ratio: Return per unit of downside risk	3.53	4.86	-1.33
Omega ratio: Gain probability vs. loss probability	1.47	1.72	-0.25
Calmar ratio: Return relative to maximum drawdown	4.83	4.78	+0.05
Martin ratio: Return relative to average drawdown	18.18	19.37	-1.19

VTAPX vs. DBSCX - Sharpe Ratio Comparison

The current VTAPX Sharpe Ratio is 2.29, which is comparable to the DBSCX Sharpe Ratio of 3.13. The chart below compares the historical Sharpe Ratios of VTAPX and DBSCX, 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

VTAPX vs. DBSCX - Drawdown Comparison

The maximum VTAPX drawdown since its inception was -5.33%, smaller than the maximum DBSCX drawdown of -14.12%. Use the drawdown chart below to compare losses from any high point for VTAPX and DBSCX.

Drawdown Indicators

	VTAPX	DBSCX	Difference
Max Drawdown Largest peak-to-trough decline	-5.33%	-14.12%	+8.79%
Max Drawdown (1Y) Largest decline over 1 year	-0.75%	-1.32%	+0.57%
Max Drawdown (3Y) Largest decline over 3 years	-0.92%	-1.91%	+0.99%
Max Drawdown (5Y) Largest decline over 5 years	-5.33%	-9.52%	+4.19%
Max Drawdown (10Y) Largest decline over 10 years	-5.33%	-14.12%	+8.79%
Current Drawdown Current decline from peak	-0.75%	-0.27%	-0.48%
Average Drawdown Average peak-to-trough decline	-1.03%	-1.24%	+0.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.20%	0.33%	-0.13%

Volatility

VTAPX vs. DBSCX - Volatility Comparison

Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares (VTAPX) has a higher volatility of 0.68% compared to Doubleline Selective Credit Fund (DBSCX) at 0.63%. This indicates that VTAPX's price experiences larger fluctuations and is considered to be riskier than DBSCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VTAPX	DBSCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.68%	0.63%	+0.05%
Volatility (6M) Calculated over the trailing 6-month period	1.22%	1.55%	-0.33%
Volatility (1Y) Calculated over the trailing 1-year period	1.58%	2.02%	-0.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.66%	2.72%	-0.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.24%	2.91%	-0.67%

VTAPX vs. DBSCX - Expense Ratio Comparison

VTAPX has a 0.06% expense ratio, which is higher than DBSCX's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

VTAPX vs. DBSCX - Dividend Comparison

VTAPX's dividend yield for the trailing twelve months is around 3.58%, less than DBSCX's 6.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DBSCX Doubleline Selective Credit Fund	6.56%	6.50%	7.09%	6.77%	6.67%	4.68%	4.64%	6.04%	7.43%	9.01%	9.73%	9.53%
VTAPX Vanguard Short-Term Inflation-Protected Securities Index Fund Admiral Shares	3.58%	3.78%	2.68%	2.84%	6.82%	4.67%	1.19%	1.94%	2.45%	1.52%	0.76%	0.00%

Frequently Asked Questions

Can I hold both VTAPX and DBSCX in my portfolio?

VTAPX and DBSCX have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VTAPX or DBSCX?

VTAPX has higher volatility (0.68%) compared to DBSCX (0.63%). In terms of maximum drawdown, VTAPX dropped -5.33% vs DBSCX's -14.12%.

Which has better risk-adjusted returns?

DBSCX currently has the higher Sharpe Ratio (3.13 vs 2.29), 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.