PIODX vs. MYFRX

Last updated Jun 5, 2026

PIODX (Pioneer Fund) and MYFRX (Pioneer Multi-Asset Ultrashort Income Fund) are both mutual funds - PIODX is a Large Cap Blend Equities fund managed by Amundi, while MYFRX is a Ultrashort Bond fund managed by Amundi. Over the past 10 years, PIODX returned 16.62%/yr vs 2.84%/yr for MYFRX. At a 0.05 correlation, their price movements are largely independent. PIODX charges 1.06%/yr vs 0.44%/yr for MYFRX.

Performance

PIODX vs. MYFRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Pioneer Fund (PIODX) and Pioneer Multi-Asset Ultrashort Income Fund (MYFRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PIODX achieves a 12.16% return, which is significantly higher than MYFRX's 1.73% return. Over the past 10 years, PIODX has outperformed MYFRX with an annualized return of 16.62%, while MYFRX has yielded a comparatively lower 2.84% annualized return.

PIODX

• 1D: -1.04%
• 1M: 1.29%
• YTD: 12.16%
• 6M: 11.60%
• 1Y: 33.20%
• 3Y*: 25.61%
• 5Y*: 14.08%
• 10Y*: 16.62%

MYFRX

• 1D: 0.00%
• 1M: 0.37%
• YTD: 1.73%
• 6M: 2.14%
• 1Y: 4.36%
• 3Y*: 5.33%
• 5Y*: 3.91%
• 10Y*: 2.84%

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

PIODX vs. MYFRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PIODX Pioneer Fund	12.16%	23.30%	22.62%	28.45%	-19.43%	27.40%	24.01%	31.04%	-1.48%	21.79%
MYFRX Pioneer Multi-Asset Ultrashort Income Fund	1.73%	4.68%	6.25%	6.32%	0.26%	1.56%	-0.51%	3.34%	1.80%	1.80%

Correlation

The correlation between PIODX and MYFRX is 0.03, 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	0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.04
Correlation (5Y) Calculated over the trailing 5-year period	0.07
Correlation (10Y) Calculated over the trailing 10-year period	0.06
Correlation (All Time) Calculated using the full available price history since May 2, 2011	0.05

Return for Risk

PIODX vs. MYFRX — Risk / Return Rank

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

PIODX

PIODX Risk / Return Rank: 62
PIODX Sharpe Ratio Rank: 57
PIODX Sortino Ratio Rank: 51
PIODX Omega Ratio Rank: 49
PIODX Calmar Ratio Rank: 75
PIODX Martin Ratio Rank: 78

MYFRX

MYFRX Risk / Return Rank: 98
MYFRX Sharpe Ratio Rank: 92
MYFRX Sortino Ratio Rank: 99
MYFRX Omega Ratio Rank: 99
MYFRX Calmar Ratio Rank: 99
MYFRX Martin Ratio Rank: 99

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.

PIODX vs. MYFRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Pioneer Fund (PIODX) and Pioneer Multi-Asset Ultrashort Income Fund (MYFRX). 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	MYFRX	Difference
Sharpe ratio: Return per unit of total volatility	2.23	3.09	-0.86
Sortino ratio: Return per unit of downside risk	3.01	10.60	-7.59
Omega ratio: Gain probability vs. loss probability	1.38	3.64	-2.26
Calmar ratio: Return relative to maximum drawdown	3.36	14.49	-11.13
Martin ratio: Return relative to average drawdown	14.64	53.81	-39.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PIODX vs. MYFRX - Sharpe Ratio Comparison

The current PIODX Sharpe Ratio is 2.23, which is comparable to the MYFRX Sharpe Ratio of 3.09. The chart below compares the historical Sharpe Ratios of PIODX and MYFRX, 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

	PIODX	MYFRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.23	3.09	-0.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.74	2.45	-1.71
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	1.55	-0.66
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	1.48	-0.95

Drawdowns

PIODX vs. MYFRX - Drawdown Comparison

The maximum PIODX drawdown since its inception was -53.40%, which is greater than MYFRX's maximum drawdown of -10.08%. Use the drawdown chart below to compare losses from any high point for PIODX and MYFRX.

Drawdown Indicators

	PIODX	MYFRX	Difference
Max Drawdown Largest peak-to-trough decline	-53.40%	-10.08%	-43.32%
Max Drawdown (1Y) Largest decline over 1 year	-9.99%	-0.31%	-9.68%
Max Drawdown (3Y) Largest decline over 3 years	-21.52%	-0.73%	-20.79%
Max Drawdown (5Y) Largest decline over 5 years	-26.55%	-1.52%	-25.03%
Max Drawdown (10Y) Largest decline over 10 years	-30.14%	-10.08%	-20.06%
Current Drawdown Current decline from peak	-1.04%	0.00%	-1.04%
Average Drawdown Average peak-to-trough decline	-8.60%	-0.26%	-8.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.29%	0.08%	+2.21%

Volatility

PIODX vs. MYFRX - Volatility Comparison

Pioneer Fund (PIODX) has a higher volatility of 3.89% compared to Pioneer Multi-Asset Ultrashort Income Fund (MYFRX) at 0.39%. This indicates that PIODX's price experiences larger fluctuations and is considered to be riskier than MYFRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PIODX	MYFRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.89%	0.39%	+3.50%
Volatility (6M) Calculated over the trailing 6-month period	11.31%	0.97%	+10.34%
Volatility (1Y) Calculated over the trailing 1-year period	15.09%	1.45%	+13.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.16%	1.61%	+17.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.86%	1.84%	+17.02%

PIODX vs. MYFRX - Expense Ratio Comparison

PIODX has a 1.06% expense ratio, which is higher than MYFRX's 0.44% expense ratio.

Dividends

PIODX vs. MYFRX - Dividend Comparison

PIODX's dividend yield for the trailing twelve months is around 8.94%, more than MYFRX's 4.69% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MYFRX Pioneer Multi-Asset Ultrashort Income Fund	4.69%	4.99%	5.63%	4.74%	2.35%	1.34%	1.92%	2.98%	2.60%	1.88%	1.77%	1.36%
PIODX Pioneer Fund	8.94%	10.04%	14.17%	2.86%	4.13%	16.18%	5.82%	9.37%	15.37%	21.35%	20.51%	14.53%

Frequently Asked Questions

Can I hold both PIODX and MYFRX in my portfolio?

PIODX and MYFRX have a correlation of 0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PIODX or MYFRX?

PIODX has higher volatility (3.89%) compared to MYFRX (0.39%). In terms of maximum drawdown, PIODX dropped -53.40% vs MYFRX's -10.08%.

Which has better risk-adjusted returns?

MYFRX currently has the higher Sharpe Ratio (3.09 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.