PYLMX vs. PAIPX

Last updated Jun 4, 2026

PYLMX (Payden Limited Maturity Fund) and PAIPX (PIMCO Short Asset Investment Fund) are both Ultrashort Bond funds. Over the past 10 years, PYLMX returned 2.77%/yr vs 2.51%/yr for PAIPX. At a 0.32 correlation, their price movements are largely independent. PYLMX charges 0.25%/yr vs 0.45%/yr for PAIPX.

Performance

PYLMX vs. PAIPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Payden Limited Maturity Fund (PYLMX) and PIMCO Short Asset Investment Fund (PAIPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PYLMX achieves a 1.39% return, which is significantly lower than PAIPX's 1.80% return. Over the past 10 years, PYLMX has outperformed PAIPX with an annualized return of 2.77%, while PAIPX has yielded a comparatively lower 2.51% annualized return.

PYLMX

• 1D: 0.00%
• 1M: 0.37%
• YTD: 1.39%
• 6M: 1.79%
• 1Y: 4.61%
• 3Y*: 5.24%
• 5Y*: 3.70%
• 10Y*: 2.77%

PAIPX

• 1D: 0.00%
• 1M: 0.41%
• YTD: 1.80%
• 6M: 2.25%
• 1Y: 4.65%
• 3Y*: 5.16%
• 5Y*: 3.36%
• 10Y*: 2.51%

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

PYLMX vs. PAIPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PYLMX Payden Limited Maturity Fund	1.39%	5.22%	6.08%	5.34%	0.56%	0.19%	1.85%	3.34%	1.76%	1.64%
PAIPX PIMCO Short Asset Investment Fund	1.80%	4.83%	5.93%	4.55%	-0.00%	-0.19%	1.12%	2.56%	1.90%	1.82%

Correlation

The correlation between PYLMX and PAIPX is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.36
Correlation (3Y) Calculated over the trailing 3-year period	0.29
Correlation (5Y) Calculated over the trailing 5-year period	0.28
Correlation (10Y) Calculated over the trailing 10-year period	0.32
Correlation (All Time) Calculated using the full available price history since Jun 4, 2012	0.32

Return for Risk

PYLMX vs. PAIPX — Risk / Return Rank

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

PYLMX

PYLMX Risk / Return Rank: 97
PYLMX Sharpe Ratio Rank: 89
PYLMX Sortino Ratio Rank: 99
PYLMX Omega Ratio Rank: 98
PYLMX Calmar Ratio Rank: 98
PYLMX Martin Ratio Rank: 98

PAIPX

PAIPX Risk / Return Rank: 100
PAIPX Sharpe Ratio Rank: 98
PAIPX Sortino Ratio Rank: 100
PAIPX Omega Ratio Rank: 100
PAIPX Calmar Ratio Rank: 100
PAIPX Martin Ratio Rank: 100

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.

PYLMX vs. PAIPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Payden Limited Maturity Fund (PYLMX) and PIMCO Short Asset Investment Fund (PAIPX). 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.

	PYLMX	PAIPX	Difference
Sharpe ratio: Return per unit of total volatility	2.96	3.93	-0.97
Sortino ratio: Return per unit of downside risk	8.04	26.36	-18.32
Omega ratio: Gain probability vs. loss probability	2.49	16.16	-13.67
Calmar ratio: Return relative to maximum drawdown	8.87	46.81	-37.94
Martin ratio: Return relative to average drawdown	38.00	185.02	-147.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PYLMX vs. PAIPX - Sharpe Ratio Comparison

The current PYLMX Sharpe Ratio is 2.96, which is comparable to the PAIPX Sharpe Ratio of 3.93. The chart below compares the historical Sharpe Ratios of PYLMX and PAIPX, 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

	PYLMX	PAIPX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.96	3.93	-0.97
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	2.74	2.02	+0.72
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	2.13	1.87	+0.26
Sharpe Ratio (All Time) Calculated using the full available price history	2.39	1.75	+0.64

Drawdowns

PYLMX vs. PAIPX - Drawdown Comparison

The maximum PYLMX drawdown since its inception was -5.56%, which is greater than PAIPX's maximum drawdown of -3.49%. Use the drawdown chart below to compare losses from any high point for PYLMX and PAIPX.

Drawdown Indicators

	PYLMX	PAIPX	Difference
Max Drawdown Largest peak-to-trough decline	-5.56%	-3.49%	-2.07%
Max Drawdown (1Y) Largest decline over 1 year	-0.52%	-0.10%	-0.42%
Max Drawdown (3Y) Largest decline over 3 years	-0.52%	-1.20%	+0.68%
Max Drawdown (5Y) Largest decline over 5 years	-1.24%	-1.64%	+0.40%
Max Drawdown (10Y) Largest decline over 10 years	-5.56%	-3.49%	-2.07%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.16%	-0.15%	-0.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.12%	0.03%	+0.09%

Volatility

PYLMX vs. PAIPX - Volatility Comparison

Payden Limited Maturity Fund (PYLMX) has a higher volatility of 0.48% compared to PIMCO Short Asset Investment Fund (PAIPX) at 0.32%. This indicates that PYLMX's price experiences larger fluctuations and is considered to be riskier than PAIPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PYLMX	PAIPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.48%	0.32%	+0.16%
Volatility (6M) Calculated over the trailing 6-month period	1.09%	0.85%	+0.24%
Volatility (1Y) Calculated over the trailing 1-year period	1.56%	1.19%	+0.37%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.36%	1.67%	-0.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.31%	1.35%	-0.04%

PYLMX vs. PAIPX - Expense Ratio Comparison

PYLMX has a 0.25% expense ratio, which is lower than PAIPX's 0.45% expense ratio.

Dividends

PYLMX vs. PAIPX - Dividend Comparison

PYLMX's dividend yield for the trailing twelve months is around 4.51%, more than PAIPX's 3.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PAIPX PIMCO Short Asset Investment Fund	3.93%	4.29%	5.04%	4.04%	1.21%	0.31%	1.00%	2.53%	2.28%	1.81%	1.21%	0.78%
PYLMX Payden Limited Maturity Fund	4.51%	4.96%	5.36%	3.79%	1.83%	0.50%	1.39%	2.54%	2.28%	1.42%	0.91%	0.73%

Frequently Asked Questions

Can I hold both PYLMX and PAIPX in my portfolio?

PYLMX and PAIPX have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PYLMX or PAIPX?

PYLMX has higher volatility (0.48%) compared to PAIPX (0.32%). In terms of maximum drawdown, PYLMX dropped -5.56% vs PAIPX's -3.49%.

Which has better risk-adjusted returns?

PAIPX currently has the higher Sharpe Ratio (3.93 vs 2.96), 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.