MAPYX vs. BGSAX
MAPYX (BlackRock Pennsylvania Municipal Bond Fund) and BGSAX (BlackRock Technology Opportunities Fund Investor A) are both mutual funds - MAPYX is a Municipal Bonds fund managed by BlackRock, while BGSAX is a Technology Equities fund managed by BlackRock. Over the past 10 years, MAPYX returned 1.96%/yr vs 25.97%/yr for BGSAX. At a correlation of -0.07, they often move in opposite directions. MAPYX charges 0.54%/yr vs 1.20%/yr for BGSAX.
Performance
MAPYX vs. BGSAX - Performance Comparison
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Returns By Period
In the year-to-date period, MAPYX achieves a 2.07% return, which is significantly lower than BGSAX's 43.57% return. Over the past 10 years, MAPYX has underperformed BGSAX with an annualized return of 1.96%, while BGSAX has yielded a comparatively higher 25.97% annualized return.
MAPYX
- 1D
- 0.10%
- 1M
- 2.08%
- YTD
- 2.07%
- 6M
- 2.49%
- 1Y
- 8.45%
- 3Y*
- 4.70%
- 5Y*
- 0.77%
- 10Y*
- 1.96%
BGSAX
- 1D
- 4.46%
- 1M
- 9.11%
- YTD
- 43.57%
- 6M
- 43.11%
- 1Y
- 67.10%
- 3Y*
- 38.82%
- 5Y*
- 16.37%
- 10Y*
- 25.97%
MAPYX vs. BGSAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MAPYX BlackRock Pennsylvania Municipal Bond Fund | 2.07% | 5.20% | 3.57% | 5.80% | -12.40% | 3.18% | 4.29% | 6.67% | 0.73% | 5.78% |
BGSAX BlackRock Technology Opportunities Fund Investor A | 43.57% | 19.63% | 40.56% | 49.09% | -43.13% | 8.19% | 86.27% | 43.84% | 2.03% | 49.45% |
Correlation
The correlation between MAPYX and BGSAX is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.07 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.10 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.06 |
Correlation (All Time) Calculated using the full available price history since May 15, 2000 | -0.07 |
The correlation between MAPYX and BGSAX shifts across timeframes, from -0.07 (all time) to 0.10 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
MAPYX vs. BGSAX — Risk / Return Rank
MAPYX
BGSAX
MAPYX vs. BGSAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Pennsylvania Municipal Bond Fund (MAPYX) and BlackRock Technology Opportunities Fund Investor A (BGSAX). 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.
| MAPYX | BGSAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.18 | ||
| Sortino ratioReturn per unit of downside risk | +1.02 | ||
| Omega ratioGain probability vs. loss probability | 1.63 | 1.40 | +0.23 |
| Calmar ratioReturn relative to maximum drawdown | 2.57 | 3.57 | -1.00 |
| Martin ratioReturn relative to average drawdown | 8.83 | 10.42 | -1.59 |
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Drawdowns
MAPYX vs. BGSAX - Drawdown Comparison
The maximum MAPYX drawdown since its inception was -17.13%, smaller than the maximum BGSAX drawdown of -73.75%. Use the drawdown chart below to compare losses from any high point for MAPYX and BGSAX.
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Drawdown Indicators
| MAPYX | BGSAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.13% | -73.75% | +56.62% |
Max Drawdown (1Y)Largest decline over 1 year | -3.30% | -18.49% | +15.19% |
Max Drawdown (3Y)Largest decline over 3 years | -7.06% | -27.75% | +20.69% |
Max Drawdown (5Y)Largest decline over 5 years | -17.13% | -49.22% | +32.09% |
Max Drawdown (10Y)Largest decline over 10 years | -17.13% | -49.22% | +32.09% |
Current DrawdownCurrent decline from peak | -0.02% | -0.29% | +0.27% |
Average DrawdownAverage peak-to-trough decline | -2.28% | -26.33% | +24.05% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.96% | 6.32% | -5.36% |
Volatility
MAPYX vs. BGSAX - Volatility Comparison
The current volatility for BlackRock Pennsylvania Municipal Bond Fund (MAPYX) is 0.86%, while BlackRock Technology Opportunities Fund Investor A (BGSAX) has a volatility of 14.41%. This indicates that MAPYX experiences smaller price fluctuations and is considered to be less risky than BGSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MAPYX | BGSAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.86% | 14.41% | -13.55% |
Volatility (6M)Calculated over the trailing 6-month period | 2.48% | 23.82% | -21.34% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.33% | 27.87% | -24.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.28% | 28.32% | -23.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.86% | 26.19% | -21.33% |
MAPYX vs. BGSAX - Expense Ratio Comparison
MAPYX has a 0.54% expense ratio, which is lower than BGSAX's 1.20% expense ratio.
Dividends
MAPYX vs. BGSAX - Dividend Comparison
MAPYX's dividend yield for the trailing twelve months is around 3.81%, less than BGSAX's 9.44% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BGSAX BlackRock Technology Opportunities Fund Investor A | 9.44% | 13.55% | 8.68% | 0.00% | 0.00% | 7.66% | 4.86% | 1.50% | 1.24% | 8.01% | 1.17% | 0.00% |
MAPYX BlackRock Pennsylvania Municipal Bond Fund | 3.81% | 4.98% | 4.11% | 3.00% | 2.17% | 2.59% | 3.14% | 3.79% | 4.03% | 4.16% | 4.12% | 4.00% |
Frequently Asked Questions
MAPYX and BGSAX have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BGSAX has higher volatility (14.41%) compared to MAPYX (0.86%). In terms of maximum drawdown, MAPYX dropped -17.13% vs BGSAX's -73.75%.
MAPYX currently has the higher Sharpe Ratio (2.55 vs 2.37), 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.
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