MPBLX vs. DSPIX

Last updated Jun 4, 2026

MPBLX (BNY Mellon Asset Allocation Fund) and DSPIX (BNY Mellon Institutional S&P 500 Stock Index Fund) are both mutual funds - MPBLX is a Diversified Portfolio fund managed by BNY Mellon, while DSPIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, MPBLX returned 9.05%/yr vs 15.08%/yr for DSPIX. With a 0.96 correlation, they move nearly in lockstep. MPBLX charges 0.41%/yr vs 0.20%/yr for DSPIX.

Performance

MPBLX vs. DSPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BNY Mellon Asset Allocation Fund (MPBLX) and BNY Mellon Institutional S&P 500 Stock Index Fund (DSPIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MPBLX achieves a 8.06% return, which is significantly lower than DSPIX's 11.63% return. Over the past 10 years, MPBLX has underperformed DSPIX with an annualized return of 9.05%, while DSPIX has yielded a comparatively higher 15.08% annualized return.

MPBLX

• 1D: 0.26%
• 1M: 3.71%
• YTD: 8.06%
• 6M: 8.29%
• 1Y: 20.20%
• 3Y*: 14.61%
• 5Y*: 7.47%
• 10Y*: 9.05%

DSPIX

• 1D: 0.14%
• 1M: 5.78%
• YTD: 11.63%
• 6M: 11.81%
• 1Y: 28.93%
• 3Y*: 22.57%
• 5Y*: 14.05%
• 10Y*: 15.08%

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

MPBLX vs. DSPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MPBLX BNY Mellon Asset Allocation Fund	8.06%	14.74%	12.71%	14.08%	-15.76%	16.03%	12.29%	20.23%	-6.99%	17.13%
DSPIX BNY Mellon Institutional S&P 500 Stock Index Fund	11.63%	17.81%	24.40%	26.36%	-18.51%	28.64%	14.18%	31.31%	-4.36%	21.59%

Correlation

The correlation between MPBLX and DSPIX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Oct 2, 2000	0.96

The correlation between MPBLX and DSPIX has been stable across timeframes, ranging from 0.96 to 0.97 - a consistent structural relationship.

Return for Risk

MPBLX vs. DSPIX — Risk / Return Rank

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

MPBLX

MPBLX Risk / Return Rank: 56
MPBLX Sharpe Ratio Rank: 56
MPBLX Sortino Ratio Rank: 56
MPBLX Omega Ratio Rank: 57
MPBLX Calmar Ratio Rank: 51
MPBLX Martin Ratio Rank: 61

DSPIX

DSPIX Risk / Return Rank: 73
DSPIX Sharpe Ratio Rank: 75
DSPIX Sortino Ratio Rank: 67
DSPIX Omega Ratio Rank: 67
DSPIX Calmar Ratio Rank: 73
DSPIX Martin Ratio Rank: 82

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.

MPBLX vs. DSPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BNY Mellon Asset Allocation Fund (MPBLX) and BNY Mellon Institutional S&P 500 Stock Index Fund (DSPIX). 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.

	MPBLX	DSPIX	Difference
Sharpe ratio Return per unit of total volatility	2.23	2.51	-0.28
Sortino ratio Return per unit of downside risk	3.18	3.41	-0.23
Omega ratio Gain probability vs. loss probability	1.42	1.46	-0.04
Calmar ratio Return relative to maximum drawdown	2.72	3.34	-0.62
Martin ratio Return relative to average drawdown	12.10	15.59	-3.49
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MPBLX vs. DSPIX - Sharpe Ratio Comparison

The current MPBLX Sharpe Ratio is 2.23, which is comparable to the DSPIX Sharpe Ratio of 2.51. The chart below compares the historical Sharpe Ratios of MPBLX and DSPIX, 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

	MPBLX	DSPIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.23	2.51	-0.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.83	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.74	0.84	-0.09
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	0.58	-0.04

Drawdowns

MPBLX vs. DSPIX - Drawdown Comparison

The maximum MPBLX drawdown since its inception was -34.80%, smaller than the maximum DSPIX drawdown of -55.32%. Use the drawdown chart below to compare losses from any high point for MPBLX and DSPIX.

Drawdown Indicators

	MPBLX	DSPIX	Difference
Max Drawdown Largest peak-to-trough decline	-34.80%	-55.32%	+20.52%
Max Drawdown (1Y) Largest decline over 1 year	-7.61%	-8.92%	+1.31%
Max Drawdown (3Y) Largest decline over 3 years	-13.38%	-18.81%	+5.43%
Max Drawdown (5Y) Largest decline over 5 years	-21.30%	-24.62%	+3.32%
Max Drawdown (10Y) Largest decline over 10 years	-26.82%	-33.79%	+6.97%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-5.03%	-9.28%	+4.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.71%	1.91%	-0.20%

Volatility

MPBLX vs. DSPIX - Volatility Comparison

BNY Mellon Asset Allocation Fund (MPBLX) and BNY Mellon Institutional S&P 500 Stock Index Fund (DSPIX) have volatilities of 2.71% and 2.83%, 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

	MPBLX	DSPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.71%	2.83%	-0.12%
Volatility (6M) Calculated over the trailing 6-month period	7.46%	8.99%	-1.53%
Volatility (1Y) Calculated over the trailing 1-year period	9.31%	11.88%	-2.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.61%	16.93%	-5.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.19%	18.03%	-5.84%

MPBLX vs. DSPIX - Expense Ratio Comparison

MPBLX has a 0.41% expense ratio, which is higher than DSPIX's 0.20% expense ratio.

Dividends

MPBLX vs. DSPIX - Dividend Comparison

MPBLX's dividend yield for the trailing twelve months is around 5.85%, less than DSPIX's 30.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DSPIX BNY Mellon Institutional S&P 500 Stock Index Fund	30.32%	33.86%	27.60%	27.46%	18.33%	12.91%	1.15%	5.01%	6.33%	2.53%	2.91%	2.63%
MPBLX BNY Mellon Asset Allocation Fund	5.85%	6.32%	4.50%	1.59%	11.58%	6.64%	1.59%	7.43%	6.78%	4.52%	2.70%	7.02%

Frequently Asked Questions

Can I hold both MPBLX and DSPIX in my portfolio?

With a correlation of 0.96, MPBLX and DSPIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MPBLX or DSPIX?

DSPIX has higher volatility (2.83%) compared to MPBLX (2.71%). In terms of maximum drawdown, MPBLX dropped -34.80% vs DSPIX's -55.32%.

Which has better risk-adjusted returns?

DSPIX currently has the higher Sharpe Ratio (2.51 vs 2.23), 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.