BIOPX vs. FZAPX
BIOPX (Baron Opportunity Fund) and FZAPX (Fidelity Advisor Stock Selector All Cap Fund Class Z) are both Large Cap Growth Equities funds. Over the past 10 years, BIOPX returned 20.71%/yr vs 15.10%/yr for FZAPX. Their correlation of 0.86 means they have usually moved in the same direction. BIOPX charges 1.31%/yr vs 0.58%/yr for FZAPX.
Performance
BIOPX vs. FZAPX - Performance Comparison
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Returns By Period
In the year-to-date period, BIOPX achieves a 7.45% return, which is significantly lower than FZAPX's 17.21% return. Over the past 10 years, BIOPX has outperformed FZAPX with an annualized return of 20.71%, while FZAPX has yielded a comparatively lower 15.10% annualized return.
BIOPX
- 1D
- 2.71%
- 1M
- -4.92%
- 6M
- 12.16%
- YTD
- 7.45%
- 1Y
- 14.64%
- 3Y*
- 25.17%
- 5Y*
- 9.34%
- 10Y*
- 20.71%
- ALL TIME*
- 10.45%
FZAPX
- 1D
- 1.57%
- 1M
- 1.52%
- 6M
- 14.30%
- YTD
- 17.21%
- 1Y
- 29.33%
- 3Y*
- 21.64%
- 5Y*
- 12.60%
- 10Y*
- 15.10%
- ALL TIME*
- 13.95%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
BIOPX vs. FZAPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BIOPX Baron Opportunity Fund | 7.45% | 19.44% | 39.87% | 49.55% | -42.96% | 11.90% | 88.78% | 40.34% | 8.06% | 40.58% |
FZAPX Fidelity Advisor Stock Selector All Cap Fund Class Z | 17.21% | 18.98% | 19.88% | 27.05% | -19.49% | 23.25% | 25.03% | 32.34% | -8.52% | 24.38% |
Correlation
The correlation between BIOPX and FZAPX is 0.85, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.85 |
Correlation (3Y) Balances recent behavior with more history. | 0.86 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.88 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.85 |
Correlation (All Time) Calculated using the full available price history since Aug 20, 2013 | 0.86 |
The correlation between BIOPX and FZAPX has been stable across timeframes, ranging from 0.85 to 0.88 - a consistent structural relationship.
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Return for Risk
BIOPX vs. FZAPX — Risk / Return Rank
BIOPX
FZAPX
BIOPX vs. FZAPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Baron Opportunity Fund (BIOPX) and Fidelity Advisor Stock Selector All Cap Fund Class Z (FZAPX). 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.
| BIOPX | FZAPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.41 | ||
| Sortino ratioReturn per unit of downside risk | -1.73 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.39 | -0.24 |
| Calmar ratioReturn relative to maximum drawdown | 1.21 | 3.43 | -2.22 |
| Martin ratioReturn relative to average drawdown | 3.35 | 15.55 | -12.20 |
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Drawdowns
BIOPX vs. FZAPX - Drawdown Comparison
The maximum BIOPX drawdown since its inception was -67.91%, which is greater than FZAPX's maximum drawdown of -34.37%. Use the drawdown chart below to compare losses from any high point for BIOPX and FZAPX.
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Drawdown Indicators
| BIOPX | FZAPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -67.91% | -34.37% | -33.54% |
Max Drawdown (1Y)Largest decline over 1 year | -14.31% | -9.20% | -5.11% |
Max Drawdown (3Y)Largest decline over 3 years | -26.34% | -20.84% | -5.50% |
Max Drawdown (5Y)Largest decline over 5 years | -51.45% | -25.20% | -26.25% |
Max Drawdown (10Y)Largest decline over 10 years | -51.45% | -34.37% | -17.08% |
Current DrawdownCurrent decline from peak | -9.35% | -0.02% | -9.33% |
Average DrawdownAverage peak-to-trough decline | -16.81% | -4.52% | -12.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.18% | 2.03% | +3.15% |
Volatility
BIOPX vs. FZAPX - Volatility Comparison
Baron Opportunity Fund (BIOPX) has a higher volatility of 6.90% compared to Fidelity Advisor Stock Selector All Cap Fund Class Z (FZAPX) at 4.10%. This indicates that BIOPX's price experiences larger fluctuations and is considered to be riskier than FZAPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BIOPX | FZAPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.90% | 4.10% | +2.80% |
Volatility (6M)Calculated over the trailing 6-month period | 16.72% | 11.48% | +5.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.66% | 14.25% | +7.41% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 27.19% | 17.93% | +9.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.06% | 18.59% | +6.47% |
BIOPX vs. FZAPX - Expense Ratio Comparison
BIOPX has a 1.31% expense ratio, which is higher than FZAPX's 0.58% expense ratio.
Dividends
BIOPX vs. FZAPX - Dividend Comparison
BIOPX's dividend yield for the trailing twelve months is around 3.94%, less than FZAPX's 4.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BIOPX Baron Opportunity Fund | 3.94% | 4.24% | 4.95% | 0.00% | 0.00% | 8.71% | 6.96% | 7.33% | 5.29% | 15.58% | 13.52% | 10.92% |
FZAPX Fidelity Advisor Stock Selector All Cap Fund Class Z | 4.17% | 4.88% | 4.91% | 2.12% | 0.39% | 1.47% | 5.33% | 6.18% | 4.59% | 3.07% | 1.13% | 5.24% |
Frequently Asked Questions
BIOPX and FZAPX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BIOPX has higher volatility (6.90%) compared to FZAPX (4.10%). In terms of maximum drawdown, BIOPX dropped -67.91% vs FZAPX's -34.37%.
FZAPX currently has the higher Sharpe Ratio (2.22 vs 0.80), 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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