OSTVX vs. VBAIX

Last updated Jul 14, 2026

OSTVX (Osterweis Growth & Income Fund) and VBAIX (Vanguard Balanced Index Fund Institutional Shares) are both Diversified Portfolio funds. Over the past 10 years, OSTVX returned 8.35%/yr vs 9.88%/yr for VBAIX. Their correlation of 0.92 suggests significant overlap in exposure. OSTVX charges 0.93%/yr vs 0.04%/yr for VBAIX.

Performance

OSTVX vs. VBAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Osterweis Growth & Income Fund (OSTVX) and Vanguard Balanced Index Fund Institutional Shares (VBAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OSTVX achieves a 5.50% return, which is significantly lower than VBAIX's 7.19% return. Over the past 10 years, OSTVX has underperformed VBAIX with an annualized return of 8.35%, while VBAIX has yielded a comparatively higher 9.88% annualized return.

OSTVX

• 1D: 0.11%
• 1M: 1.60%
• 6M: 3.14%
• YTD: 5.50%
• 1Y: 10.88%
• 3Y*: 11.06%
• 5Y*: 4.52%
• 10Y*: 8.35%

VBAIX

• 1D: 0.17%
• 1M: 1.12%
• 6M: 5.62%
• YTD: 7.19%
• 1Y: 15.19%
• 3Y*: 15.23%
• 5Y*: 7.91%
• 10Y*: 9.88%

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

OSTVX vs. VBAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OSTVX Osterweis Growth & Income Fund	5.50%	10.03%	9.99%	14.76%	-15.08%	11.70%	17.58%	25.30%	-7.48%	12.88%
VBAIX Vanguard Balanced Index Fund Institutional Shares	7.19%	13.60%	17.78%	17.55%	-16.87%	14.20%	16.40%	21.79%	-2.83%	13.86%

Correlation

The correlation between OSTVX and VBAIX 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	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.92
Correlation (All Time) Calculated using the full available price history since Jan 3, 2011	0.92

The correlation between OSTVX and VBAIX has been stable across timeframes, ranging from 0.89 to 0.92 - a consistent structural relationship.

Return for Risk

OSTVX vs. VBAIX — Risk / Return Rank

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

OSTVX

OSTVX Risk / Return Rank: 38
OSTVX Sharpe Ratio Rank: 38
OSTVX Sortino Ratio Rank: 39
OSTVX Omega Ratio Rank: 37
OSTVX Calmar Ratio Rank: 31
OSTVX Martin Ratio Rank: 48

VBAIX

VBAIX Risk / Return Rank: 67
VBAIX Sharpe Ratio Rank: 64
VBAIX Sortino Ratio Rank: 64
VBAIX Omega Ratio Rank: 61
VBAIX Calmar Ratio Rank: 68
VBAIX Martin Ratio Rank: 78

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.

OSTVX vs. VBAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Osterweis Growth & Income Fund (OSTVX) and Vanguard Balanced Index Fund Institutional Shares (VBAIX). 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.

	OSTVX	VBAIX	Difference
Sharpe ratio: Return per unit of total volatility	1.36	1.77	-0.40
Sortino ratio: Return per unit of downside risk	1.99	2.51	-0.52
Omega ratio: Gain probability vs. loss probability	1.25	1.32	-0.08
Calmar ratio: Return relative to maximum drawdown	1.63	2.53	-0.90
Martin ratio: Return relative to average drawdown	7.85	11.09	-3.24

OSTVX vs. VBAIX - Sharpe Ratio Comparison

The current OSTVX Sharpe Ratio is 1.36, which is comparable to the VBAIX Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of OSTVX and VBAIX, 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

OSTVX vs. VBAIX - Drawdown Comparison

The maximum OSTVX drawdown since its inception was -25.94%, smaller than the maximum VBAIX drawdown of -35.82%. Use the drawdown chart below to compare losses from any high point for OSTVX and VBAIX.

Drawdown Indicators

	OSTVX	VBAIX	Difference
Max Drawdown Largest peak-to-trough decline	-25.94%	-35.82%	+9.88%
Max Drawdown (1Y) Largest decline over 1 year	-6.55%	-5.84%	-0.71%
Max Drawdown (3Y) Largest decline over 3 years	-10.63%	-11.57%	+0.94%
Max Drawdown (5Y) Largest decline over 5 years	-23.71%	-21.52%	-2.19%
Max Drawdown (10Y) Largest decline over 10 years	-25.94%	-22.77%	-3.17%
Current Drawdown Current decline from peak	-0.27%	-0.19%	-0.08%
Average Drawdown Average peak-to-trough decline	-4.39%	-4.41%	+0.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.36%	1.33%	+0.03%

Volatility

OSTVX vs. VBAIX - Volatility Comparison

The current volatility for Osterweis Growth & Income Fund (OSTVX) is 2.17%, while Vanguard Balanced Index Fund Institutional Shares (VBAIX) has a volatility of 2.83%. This indicates that OSTVX experiences smaller price fluctuations and is considered to be less risky than VBAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OSTVX	VBAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.17%	2.83%	-0.66%
Volatility (6M) Calculated over the trailing 6-month period	6.12%	6.74%	-0.62%
Volatility (1Y) Calculated over the trailing 1-year period	7.81%	8.36%	-0.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.66%	11.18%	-0.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.45%	11.24%	+0.21%

OSTVX vs. VBAIX - Expense Ratio Comparison

OSTVX has a 0.93% expense ratio, which is higher than VBAIX's 0.04% expense ratio.

Dividends

OSTVX vs. VBAIX - Dividend Comparison

OSTVX's dividend yield for the trailing twelve months is around 2.84%, less than VBAIX's 5.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OSTVX Osterweis Growth & Income Fund	2.84%	2.97%	9.16%	4.44%	8.02%	2.42%	3.60%	5.99%	10.01%	5.13%	3.61%	4.27%
VBAIX Vanguard Balanced Index Fund Institutional Shares	5.32%	6.01%	8.01%	4.36%	2.84%	3.20%	2.65%	2.29%	2.33%	1.96%	2.10%	2.10%

Frequently Asked Questions

Can I hold both OSTVX and VBAIX in my portfolio?

OSTVX and VBAIX 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, OSTVX or VBAIX?

VBAIX has higher volatility (2.83%) compared to OSTVX (2.17%). In terms of maximum drawdown, OSTVX dropped -25.94% vs VBAIX's -35.82%.

Which has better risk-adjusted returns?

VBAIX currently has the higher Sharpe Ratio (1.77 vs 1.36), 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.