MNBAX vs. VBAIX

Last updated Jul 15, 2026

MNBAX (Manning & Napier Pro-Blend Extended Term Series) and VBAIX (Vanguard Balanced Index Fund Institutional Shares) are both Diversified Portfolio funds. Over the past 10 years, MNBAX returned 6.73%/yr vs 9.79%/yr for VBAIX. Their correlation of 0.92 suggests significant overlap in exposure. MNBAX charges 1.02%/yr vs 0.04%/yr for VBAIX.

Performance

MNBAX vs. VBAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Manning & Napier Pro-Blend Extended Term Series (MNBAX) 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, MNBAX achieves a 2.87% return, which is significantly lower than VBAIX's 6.53% return. Over the past 10 years, MNBAX has underperformed VBAIX with an annualized return of 6.73%, while VBAIX has yielded a comparatively higher 9.79% annualized return.

MNBAX

• 1D: -0.36%
• 1M: 1.23%
• 6M: 0.77%
• YTD: 2.87%
• 1Y: 7.78%
• 3Y*: 7.93%
• 5Y*: 3.12%
• 10Y*: 6.73%

VBAIX

• 1D: -0.62%
• 1M: 0.49%
• 6M: 5.05%
• YTD: 6.53%
• 1Y: 14.31%
• 3Y*: 14.51%
• 5Y*: 7.83%
• 10Y*: 9.79%

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

MNBAX vs. VBAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MNBAX Manning & Napier Pro-Blend Extended Term Series	2.87%	10.01%	7.16%	13.16%	-16.70%	11.27%	17.65%	19.30%	-4.31%	14.90%
VBAIX Vanguard Balanced Index Fund Institutional Shares	6.53%	13.60%	17.78%	17.55%	-16.87%	14.20%	16.40%	21.79%	-2.83%	13.86%

Correlation

The correlation between MNBAX 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	0.91
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Nov 30, 2000	0.92

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

Return for Risk

MNBAX vs. VBAIX — Risk / Return Rank

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

MNBAX

MNBAX Risk / Return Rank: 17
MNBAX Sharpe Ratio Rank: 18
MNBAX Sortino Ratio Rank: 18
MNBAX Omega Ratio Rank: 16
MNBAX Calmar Ratio Rank: 13
MNBAX Martin Ratio Rank: 17

VBAIX

VBAIX Risk / Return Rank: 65
VBAIX Sharpe Ratio Rank: 62
VBAIX Sortino Ratio Rank: 62
VBAIX Omega Ratio Rank: 59
VBAIX Calmar Ratio Rank: 66
VBAIX Martin Ratio Rank: 77

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.

MNBAX vs. VBAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Manning & Napier Pro-Blend Extended Term Series (MNBAX) 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.

	MNBAX	VBAIX	Difference
Sharpe ratio: Return per unit of total volatility	0.88	1.74	-0.85
Sortino ratio: Return per unit of downside risk	1.30	2.47	-1.16
Omega ratio: Gain probability vs. loss probability	1.15	1.32	-0.16
Calmar ratio: Return relative to maximum drawdown	0.85	2.49	-1.64
Martin ratio: Return relative to average drawdown	3.24	10.90	-7.66

MNBAX vs. VBAIX - Sharpe Ratio Comparison

The current MNBAX Sharpe Ratio is 0.88, which is lower than the VBAIX Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of MNBAX 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

MNBAX vs. VBAIX - Drawdown Comparison

The maximum MNBAX drawdown since its inception was -39.62%, which is greater than VBAIX's maximum drawdown of -35.82%. Use the drawdown chart below to compare losses from any high point for MNBAX and VBAIX.

Drawdown Indicators

	MNBAX	VBAIX	Difference
Max Drawdown Largest peak-to-trough decline	-39.62%	-35.82%	-3.80%
Max Drawdown (1Y) Largest decline over 1 year	-9.23%	-5.84%	-3.39%
Max Drawdown (3Y) Largest decline over 3 years	-10.28%	-11.57%	+1.29%
Max Drawdown (5Y) Largest decline over 5 years	-21.95%	-21.52%	-0.43%
Max Drawdown (10Y) Largest decline over 10 years	-21.95%	-22.77%	+0.82%
Current Drawdown Current decline from peak	-0.36%	-0.81%	+0.45%
Average Drawdown Average peak-to-trough decline	-6.64%	-4.41%	-2.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.41%	1.33%	+1.08%

Volatility

MNBAX vs. VBAIX - Volatility Comparison

The current volatility for Manning & Napier Pro-Blend Extended Term Series (MNBAX) is 2.56%, while Vanguard Balanced Index Fund Institutional Shares (VBAIX) has a volatility of 2.70%. This indicates that MNBAX 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

	MNBAX	VBAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.56%	2.70%	-0.14%
Volatility (6M) Calculated over the trailing 6-month period	7.32%	6.78%	+0.54%
Volatility (1Y) Calculated over the trailing 1-year period	8.87%	8.39%	+0.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.56%	11.18%	-1.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.70%	11.24%	-1.54%

MNBAX vs. VBAIX - Expense Ratio Comparison

MNBAX has a 1.02% expense ratio, which is higher than VBAIX's 0.04% expense ratio.

Dividends

MNBAX vs. VBAIX - Dividend Comparison

MNBAX's dividend yield for the trailing twelve months is around 10.74%, more than VBAIX's 5.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MNBAX Manning & Napier Pro-Blend Extended Term Series	10.74%	10.14%	4.23%	1.81%	3.68%	5.12%	6.49%	4.49%	5.73%	6.53%	1.15%	2.05%
VBAIX Vanguard Balanced Index Fund Institutional Shares	5.35%	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 MNBAX and VBAIX in my portfolio?

MNBAX 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, MNBAX or VBAIX?

VBAIX has higher volatility (2.70%) compared to MNBAX (2.56%). In terms of maximum drawdown, MNBAX dropped -39.62% vs VBAIX's -35.82%.

Which has better risk-adjusted returns?

VBAIX currently has the higher Sharpe Ratio (1.74 vs 0.88), 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.