VASIX vs. SIFAX

Last updated Jun 4, 2026

VASIX (Vanguard LifeStrategy Income Fund) and SIFAX (SEI Institutional Managed Trust Multi-Asset Inflation Managed Fund) are both Diversified Portfolio funds. Over the past 10 years, VASIX returned 4.08%/yr vs 3.55%/yr for SIFAX. At a 0.27 correlation, their price movements are largely independent. VASIX charges 0.11%/yr vs 0.90%/yr for SIFAX.

Performance

VASIX vs. SIFAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard LifeStrategy Income Fund (VASIX) and SEI Institutional Managed Trust Multi-Asset Inflation Managed Fund (SIFAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VASIX achieves a 3.14% return, which is significantly lower than SIFAX's 8.08% return. Over the past 10 years, VASIX has outperformed SIFAX with an annualized return of 4.08%, while SIFAX has yielded a comparatively lower 3.55% annualized return.

VASIX

• 1D: 0.12%
• 1M: 1.70%
• YTD: 3.14%
• 6M: 3.21%
• 1Y: 9.53%
• 3Y*: 8.20%
• 5Y*: 2.94%
• 10Y*: 4.08%

SIFAX

• 1D: 0.12%
• 1M: -1.50%
• YTD: 8.08%
• 6M: 7.70%
• 1Y: 12.43%
• 3Y*: 7.51%
• 5Y*: 5.83%
• 10Y*: 3.55%

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

VASIX vs. SIFAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VASIX Vanguard LifeStrategy Income Fund	3.14%	9.42%	6.67%	9.63%	-13.94%	1.92%	9.13%	12.05%	-1.05%	6.05%
SIFAX SEI Institutional Managed Trust Multi-Asset Inflation Managed Fund	8.08%	7.82%	4.08%	-1.74%	8.48%	10.83%	-1.59%	5.68%	-3.64%	-1.96%

Correlation

The correlation between VASIX and SIFAX is -0.13, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.13
Correlation (3Y) Calculated over the trailing 3-year period	0.09
Correlation (5Y) Calculated over the trailing 5-year period	0.15
Correlation (10Y) Calculated over the trailing 10-year period	0.23
Correlation (All Time) Calculated using the full available price history since Jan 3, 2013	0.27

The correlation between VASIX and SIFAX shifts across timeframes, from -0.13 (1 year) to 0.27 (all time), reflecting how their relationship changes across market environments.

Return for Risk

VASIX vs. SIFAX — Risk / Return Rank

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

VASIX

VASIX Risk / Return Rank: 53
VASIX Sharpe Ratio Rank: 55
VASIX Sortino Ratio Rank: 56
VASIX Omega Ratio Rank: 60
VASIX Calmar Ratio Rank: 42
VASIX Martin Ratio Rank: 51

SIFAX

SIFAX Risk / Return Rank: 73
SIFAX Sharpe Ratio Rank: 62
SIFAX Sortino Ratio Rank: 64
SIFAX Omega Ratio Rank: 62
SIFAX Calmar Ratio Rank: 93
SIFAX Martin Ratio Rank: 86

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.

VASIX vs. SIFAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard LifeStrategy Income Fund (VASIX) and SEI Institutional Managed Trust Multi-Asset Inflation Managed Fund (SIFAX). 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.

	VASIX	SIFAX	Difference
Sharpe ratio: Return per unit of total volatility	2.18	2.31	-0.13
Sortino ratio: Return per unit of downside risk	3.17	3.36	-0.19
Omega ratio: Gain probability vs. loss probability	1.43	1.44	-0.01
Calmar ratio: Return relative to maximum drawdown	2.47	5.18	-2.71
Martin ratio: Return relative to average drawdown	10.32	16.54	-6.22
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VASIX vs. SIFAX - Sharpe Ratio Comparison

The current VASIX Sharpe Ratio is 2.18, which is comparable to the SIFAX Sharpe Ratio of 2.31. The chart below compares the historical Sharpe Ratios of VASIX and SIFAX, 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

	VASIX	SIFAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.18	2.31	-0.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	1.05	-0.53
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.83	0.68	+0.15
Sharpe Ratio (All Time) Calculated using the full available price history	1.12	0.34	+0.79

Drawdowns

VASIX vs. SIFAX - Drawdown Comparison

The maximum VASIX drawdown since its inception was -18.17%, smaller than the maximum SIFAX drawdown of -23.62%. Use the drawdown chart below to compare losses from any high point for VASIX and SIFAX.

Drawdown Indicators

	VASIX	SIFAX	Difference
Max Drawdown Largest peak-to-trough decline	-18.17%	-23.62%	+5.45%
Max Drawdown (1Y) Largest decline over 1 year	-3.90%	-2.41%	-1.49%
Max Drawdown (3Y) Largest decline over 3 years	-5.58%	-3.57%	-2.01%
Max Drawdown (5Y) Largest decline over 5 years	-18.17%	-8.32%	-9.85%
Max Drawdown (10Y) Largest decline over 10 years	-18.17%	-14.69%	-3.48%
Current Drawdown Current decline from peak	0.00%	-1.83%	+1.83%
Average Drawdown Average peak-to-trough decline	-1.92%	-8.55%	+6.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.93%	0.75%	+0.18%

Volatility

VASIX vs. SIFAX - Volatility Comparison

The current volatility for Vanguard LifeStrategy Income Fund (VASIX) is 1.71%, while SEI Institutional Managed Trust Multi-Asset Inflation Managed Fund (SIFAX) has a volatility of 2.18%. This indicates that VASIX experiences smaller price fluctuations and is considered to be less risky than SIFAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VASIX	SIFAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.71%	2.18%	-0.47%
Volatility (6M) Calculated over the trailing 6-month period	3.65%	4.69%	-1.04%
Volatility (1Y) Calculated over the trailing 1-year period	4.42%	5.41%	-0.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.75%	5.60%	+0.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.92%	5.22%	-0.30%

VASIX vs. SIFAX - Expense Ratio Comparison

VASIX has a 0.11% expense ratio, which is lower than SIFAX's 0.90% expense ratio.

Dividends

VASIX vs. SIFAX - Dividend Comparison

VASIX's dividend yield for the trailing twelve months is around 4.11%, less than SIFAX's 4.21% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SIFAX SEI Institutional Managed Trust Multi-Asset Inflation Managed Fund	4.21%	4.55%	3.25%	3.82%	11.90%	7.89%	1.45%	1.49%	1.90%	1.39%	1.15%	0.48%
VASIX Vanguard LifeStrategy Income Fund	4.11%	4.18%	7.61%	3.17%	2.02%	3.95%	2.15%	2.73%	3.55%	1.52%	2.26%	2.57%

Frequently Asked Questions

Can I hold both VASIX and SIFAX in my portfolio?

VASIX and SIFAX have a correlation of -0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VASIX or SIFAX?

SIFAX has higher volatility (2.18%) compared to VASIX (1.71%). In terms of maximum drawdown, VASIX dropped -18.17% vs SIFAX's -23.62%.

Which has better risk-adjusted returns?

SIFAX currently has the higher Sharpe Ratio (2.31 vs 2.18), 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.