BIMPX vs. BAMPX

Last updated Jun 4, 2026

BIMPX (BlackRock 40/60 Target Allocation Fund) and BAMPX (BlackRock 40/60 Target Allocation Inv A) are both Diversified Portfolio funds from BlackRock. Over the past 10 years, BIMPX returned 6.87%/yr vs 6.87%/yr for BAMPX. With a 0.99 correlation, they move nearly in lockstep. BIMPX charges 0.11%/yr vs 0.61%/yr for BAMPX.

Performance

BIMPX vs. BAMPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock 40/60 Target Allocation Fund (BIMPX) and BlackRock 40/60 Target Allocation Inv A (BAMPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with BIMPX having a 7.15% return and BAMPX slightly lower at 7.02%. Over a longer period, both investments have demonstrated similar performance, with their 10-year annualized returns being quite close: BIMPX at 6.87% and BAMPX at 6.87%.

BIMPX

• 1D: 0.27%
• 1M: 3.82%
• YTD: 7.15%
• 6M: 7.40%
• 1Y: 17.31%
• 3Y*: 10.65%
• 5Y*: 4.81%
• 10Y*: 6.87%

BAMPX

• 1D: 0.28%
• 1M: 3.72%
• YTD: 7.02%
• 6M: 7.22%
• 1Y: 16.90%
• 3Y*: 11.50%
• 5Y*: 5.17%
• 10Y*: 6.87%

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

BIMPX vs. BAMPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BIMPX BlackRock 40/60 Target Allocation Fund	7.15%	13.43%	4.93%	12.41%	-14.84%	3.51%	19.76%	16.65%	-3.77%	11.77%
BAMPX BlackRock 40/60 Target Allocation Inv A	7.02%	13.05%	8.15%	11.99%	-15.08%	3.39%	19.09%	16.23%	-4.07%	11.28%

Correlation

The correlation between BIMPX and BAMPX is 0.99 - 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	0.99
Correlation (3Y) Calculated over the trailing 3-year period	0.99
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Dec 27, 2006	0.99

The correlation between BIMPX and BAMPX has been stable across timeframes, ranging from 0.99 to 0.99 - a consistent structural relationship.

Return for Risk

BIMPX vs. BAMPX — Risk / Return Rank

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

BIMPX

BIMPX Risk / Return Rank: 73
BIMPX Sharpe Ratio Rank: 76
BIMPX Sortino Ratio Rank: 77
BIMPX Omega Ratio Rank: 76
BIMPX Calmar Ratio Rank: 64
BIMPX Martin Ratio Rank: 70

BAMPX

BAMPX Risk / Return Rank: 69
BAMPX Sharpe Ratio Rank: 72
BAMPX Sortino Ratio Rank: 74
BAMPX Omega Ratio Rank: 74
BAMPX Calmar Ratio Rank: 59
BAMPX Martin Ratio Rank: 67

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.

BIMPX vs. BAMPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock 40/60 Target Allocation Fund (BIMPX) and BlackRock 40/60 Target Allocation Inv A (BAMPX). 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.

	BIMPX	BAMPX	Difference
Sharpe ratio: Return per unit of total volatility	2.52	2.47	+0.05
Sortino ratio: Return per unit of downside risk	3.69	3.59	+0.10
Omega ratio: Gain probability vs. loss probability	1.50	1.49	+0.01
Calmar ratio: Return relative to maximum drawdown	3.08	2.97	+0.11
Martin ratio: Return relative to average drawdown	13.47	13.07	+0.40
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BIMPX vs. BAMPX - Sharpe Ratio Comparison

The current BIMPX Sharpe Ratio is 2.52, which is comparable to the BAMPX Sharpe Ratio of 2.47. The chart below compares the historical Sharpe Ratios of BIMPX and BAMPX, 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

	BIMPX	BAMPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.52	2.47	+0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.53	0.57	-0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.80	0.81	-0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.59	0.58	+0.01

Drawdowns

BIMPX vs. BAMPX - Drawdown Comparison

The maximum BIMPX drawdown since its inception was -39.37%, roughly equal to the maximum BAMPX drawdown of -39.58%. Use the drawdown chart below to compare losses from any high point for BIMPX and BAMPX.

Drawdown Indicators

	BIMPX	BAMPX	Difference
Max Drawdown Largest peak-to-trough decline	-39.37%	-39.58%	+0.21%
Max Drawdown (1Y) Largest decline over 1 year	-5.74%	-5.81%	+0.07%
Max Drawdown (3Y) Largest decline over 3 years	-11.11%	-8.29%	-2.82%
Max Drawdown (5Y) Largest decline over 5 years	-19.85%	-20.13%	+0.28%
Max Drawdown (10Y) Largest decline over 10 years	-19.85%	-20.13%	+0.28%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.78%	-4.87%	+0.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.30%	1.31%	-0.01%

Volatility

BIMPX vs. BAMPX - Volatility Comparison

BlackRock 40/60 Target Allocation Fund (BIMPX) and BlackRock 40/60 Target Allocation Inv A (BAMPX) have volatilities of 2.70% and 2.62%, 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

	BIMPX	BAMPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.70%	2.62%	+0.08%
Volatility (6M) Calculated over the trailing 6-month period	5.94%	5.95%	-0.01%
Volatility (1Y) Calculated over the trailing 1-year period	6.99%	6.98%	+0.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.19%	9.08%	+0.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.57%	8.47%	+0.10%

BIMPX vs. BAMPX - Expense Ratio Comparison

BIMPX has a 0.11% expense ratio, which is lower than BAMPX's 0.61% expense ratio.

Dividends

BIMPX vs. BAMPX - Dividend Comparison

BIMPX's dividend yield for the trailing twelve months is around 5.30%, more than BAMPX's 5.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BAMPX BlackRock 40/60 Target Allocation Inv A	5.05%	5.40%	3.11%	2.67%	2.72%	6.11%	4.12%	2.36%	7.62%	2.17%	1.57%	9.54%
BIMPX BlackRock 40/60 Target Allocation Fund	5.30%	5.68%	0.00%	2.96%	3.06%	6.35%	4.34%	2.66%	7.95%	2.50%	1.83%	9.76%

Frequently Asked Questions

Can I hold both BIMPX and BAMPX in my portfolio?

With a correlation of 0.99, BIMPX and BAMPX 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, BIMPX or BAMPX?

BIMPX has higher volatility (2.70%) compared to BAMPX (2.62%). In terms of maximum drawdown, BIMPX dropped -39.37% vs BAMPX's -39.58%.

Which has better risk-adjusted returns?

BIMPX currently has the higher Sharpe Ratio (2.52 vs 2.47), 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.