PIODX vs. PMYRX
Compare and contrast key facts about Pioneer Fund (PIODX) and Pioneer Flexible Opportunities Fund (PMYRX).
PIODX is managed by Amundi. It was launched on Feb 10, 1928. PMYRX is managed by Amundi. It was launched on May 2, 2010.
Performance
PIODX vs. PMYRX - Performance Comparison
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PIODX vs. PMYRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PIODX Pioneer Fund | -1.25% | 23.30% | 22.62% | 28.45% | -19.43% | 27.40% | 24.01% | 31.04% | -1.48% | 21.79% |
PMYRX Pioneer Flexible Opportunities Fund | -1.45% | 18.78% | 23.47% | 11.75% | -18.74% | 11.25% | 6.86% | 17.06% | -10.58% | 23.68% |
Returns By Period
In the year-to-date period, PIODX achieves a -1.25% return, which is significantly higher than PMYRX's -1.45% return. Over the past 10 years, PIODX has outperformed PMYRX with an annualized return of 15.23%, while PMYRX has yielded a comparatively lower 7.58% annualized return.
PIODX
- 1D
- 3.04%
- 1M
- -6.34%
- YTD
- -1.25%
- 6M
- 2.85%
- 1Y
- 30.24%
- 3Y*
- 22.27%
- 5Y*
- 12.78%
- 10Y*
- 15.23%
PMYRX
- 1D
- 1.62%
- 1M
- -3.68%
- YTD
- -1.45%
- 6M
- -0.01%
- 1Y
- 17.86%
- 3Y*
- 16.94%
- 5Y*
- 6.08%
- 10Y*
- 7.58%
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PIODX vs. PMYRX - Expense Ratio Comparison
PIODX has a 1.06% expense ratio, which is higher than PMYRX's 0.90% expense ratio.
Return for Risk
PIODX vs. PMYRX — Risk / Return Rank
PIODX
PMYRX
PIODX vs. PMYRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Pioneer Fund (PIODX) and Pioneer Flexible Opportunities Fund (PMYRX). 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.
| PIODX | PMYRX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.44 | 1.37 | +0.07 |
Sortino ratioReturn per unit of downside risk | 2.08 | 1.84 | +0.24 |
Omega ratioGain probability vs. loss probability | 1.30 | 1.31 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 2.44 | 1.52 | +0.92 |
Martin ratioReturn relative to average drawdown | 10.94 | 7.26 | +3.68 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PIODX | PMYRX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.44 | 1.37 | +0.07 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.67 | 0.45 | +0.23 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.81 | 0.58 | +0.23 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.52 | 0.60 | -0.09 |
Correlation
The correlation between PIODX and PMYRX is 0.75, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
PIODX vs. PMYRX - Dividend Comparison
PIODX's dividend yield for the trailing twelve months is around 10.15%, more than PMYRX's 9.42% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PIODX Pioneer Fund | 10.15% | 10.04% | 14.17% | 2.86% | 4.13% | 16.18% | 5.82% | 9.37% | 15.37% | 21.35% | 20.51% | 14.53% |
PMYRX Pioneer Flexible Opportunities Fund | 9.42% | 9.83% | 22.31% | 1.03% | 4.02% | 2.12% | 1.32% | 2.50% | 12.83% | 8.93% | 1.50% | 7.13% |
Drawdowns
PIODX vs. PMYRX - Drawdown Comparison
The maximum PIODX drawdown since its inception was -53.40%, which is greater than PMYRX's maximum drawdown of -30.68%. Use the drawdown chart below to compare losses from any high point for PIODX and PMYRX.
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Drawdown Indicators
| PIODX | PMYRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.40% | -30.68% | -22.72% |
Max Drawdown (1Y)Largest decline over 1 year | -12.75% | -12.28% | -0.47% |
Max Drawdown (5Y)Largest decline over 5 years | -26.55% | -24.97% | -1.58% |
Max Drawdown (10Y)Largest decline over 10 years | -30.14% | -30.68% | +0.54% |
Current DrawdownCurrent decline from peak | -7.26% | -4.65% | -2.61% |
Average DrawdownAverage peak-to-trough decline | -8.62% | -6.02% | -2.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.84% | 2.58% | +0.26% |
Volatility
PIODX vs. PMYRX - Volatility Comparison
Pioneer Fund (PIODX) has a higher volatility of 6.29% compared to Pioneer Flexible Opportunities Fund (PMYRX) at 3.45%. This indicates that PIODX's price experiences larger fluctuations and is considered to be riskier than PMYRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PIODX | PMYRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.29% | 3.45% | +2.84% |
Volatility (6M)Calculated over the trailing 6-month period | 11.88% | 6.33% | +5.55% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.56% | 13.09% | +8.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.11% | 13.68% | +5.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.80% | 13.15% | +5.65% |