PCDIX vs. PTY

Last updated Jun 25, 2026

PCDIX (PIMCO California Short Duration Municipal Income Fund) and PTY (PIMCO Corporate & Income Opportunity Fund) are both mutual funds - PCDIX is a Municipal Bonds fund managed by PIMCO, while PTY is a Corporate Bonds fund managed by PIMCO. Over the past 10 years, PCDIX returned 1.68%/yr vs 8.51%/yr for PTY. At a 0.09 correlation, their price movements are largely independent. PCDIX charges 0.33%/yr vs 1.19%/yr for PTY.

Performance

PCDIX vs. PTY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIMCO California Short Duration Municipal Income Fund (PCDIX) and PIMCO Corporate & Income Opportunity Fund (PTY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PCDIX achieves a 0.83% return, which is significantly higher than PTY's -3.95% return. Over the past 10 years, PCDIX has underperformed PTY with an annualized return of 1.68%, while PTY has yielded a comparatively higher 8.51% annualized return.

PCDIX

• 1D: 0.00%
• 1M: 0.43%
• YTD: 0.83%
• 6M: 1.18%
• 1Y: 3.73%
• 3Y*: 3.82%
• 5Y*: 1.99%
• 10Y*: 1.68%

PTY

• 1D: -0.51%
• 1M: 0.25%
• YTD: -3.95%
• 6M: -3.50%
• 1Y: -4.42%
• 3Y*: 5.28%
• 5Y*: -0.37%
• 10Y*: 8.51%

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

PCDIX vs. PTY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PCDIX PIMCO California Short Duration Municipal Income Fund	0.83%	5.00%	3.12%	3.59%	-2.41%	0.16%	1.75%	2.96%	1.35%	1.69%
PTY PIMCO Corporate & Income Opportunity Fund	-3.95%	-0.51%	19.87%	22.56%	-18.71%	0.40%	3.24%	35.36%	2.49%	26.63%

Correlation

The correlation between PCDIX and PTY is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.23
Correlation (5Y) Calculated over the trailing 5-year period	0.22
Correlation (10Y) Calculated over the trailing 10-year period	0.15
Correlation (All Time) Calculated using the full available price history since Sep 1, 2006	0.09

Over the past year, PCDIX and PTY have become more correlated (0.29) than their long-term average of 0.09, meaning their price movements have been converging.

Return for Risk

PCDIX vs. PTY — Risk / Return Rank

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

PCDIX

PCDIX Risk / Return Rank: 91
PCDIX Sharpe Ratio Rank: 96
PCDIX Sortino Ratio Rank: 98
PCDIX Omega Ratio Rank: 98
PCDIX Calmar Ratio Rank: 86
PCDIX Martin Ratio Rank: 77

PTY

PTY Risk / Return Rank: 1
PTY Sharpe Ratio Rank: 1
PTY Sortino Ratio Rank: 1
PTY Omega Ratio Rank: 1
PTY Calmar Ratio Rank: 2
PTY Martin Ratio Rank: 2

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.

PCDIX vs. PTY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO California Short Duration Municipal Income Fund (PCDIX) and PIMCO Corporate & Income Opportunity Fund (PTY). 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.

	PCDIX	PTY	Difference
Sharpe ratio: Return per unit of total volatility	3.09	-0.41	+3.50
Sortino ratio: Return per unit of downside risk	5.98	-0.48	+6.46
Omega ratio: Gain probability vs. loss probability	2.19	0.93	+1.26
Calmar ratio: Return relative to maximum drawdown	3.69	-0.29	+3.98
Martin ratio: Return relative to average drawdown	12.46	-0.54	+13.00

PCDIX vs. PTY - Sharpe Ratio Comparison

The current PCDIX Sharpe Ratio is 3.09, which is higher than the PTY Sharpe Ratio of -0.41. The chart below compares the historical Sharpe Ratios of PCDIX and PTY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PCDIX vs. PTY - Drawdown Comparison

The maximum PCDIX drawdown since its inception was -4.52%, smaller than the maximum PTY drawdown of -60.86%. Use the drawdown chart below to compare losses from any high point for PCDIX and PTY.

Drawdown Indicators

	PCDIX	PTY	Difference
Max Drawdown Largest peak-to-trough decline	-4.52%	-60.86%	+56.34%
Max Drawdown (1Y) Largest decline over 1 year	-1.02%	-15.44%	+14.42%
Max Drawdown (3Y) Largest decline over 3 years	-1.66%	-16.04%	+14.38%
Max Drawdown (5Y) Largest decline over 5 years	-4.52%	-41.38%	+36.86%
Max Drawdown (10Y) Largest decline over 10 years	-4.52%	-46.55%	+42.03%
Current Drawdown Current decline from peak	-0.24%	-12.82%	+12.58%
Average Drawdown Average peak-to-trough decline	-0.43%	-8.62%	+8.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.30%	8.15%	-7.85%

Volatility

PCDIX vs. PTY - Volatility Comparison

The current volatility for PIMCO California Short Duration Municipal Income Fund (PCDIX) is 0.37%, while PIMCO Corporate & Income Opportunity Fund (PTY) has a volatility of 2.05%. This indicates that PCDIX experiences smaller price fluctuations and is considered to be less risky than PTY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PCDIX	PTY	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.37%	2.05%	-1.68%
Volatility (6M) Calculated over the trailing 6-month period	0.92%	7.68%	-6.76%
Volatility (1Y) Calculated over the trailing 1-year period	1.22%	10.93%	-9.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.70%	17.27%	-15.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.56%	21.19%	-19.63%

PCDIX vs. PTY - Expense Ratio Comparison

PCDIX has a 0.33% expense ratio, which is lower than PTY's 1.19% expense ratio.

Dividends

PCDIX vs. PTY - Dividend Comparison

PCDIX's dividend yield for the trailing twelve months is around 2.84%, less than PTY's 12.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PCDIX PIMCO California Short Duration Municipal Income Fund	2.84%	3.80%	3.38%	2.25%	1.16%	1.07%	1.23%	1.79%	1.55%	1.27%	1.02%	0.91%
PTY PIMCO Corporate & Income Opportunity Fund	12.18%	11.05%	9.92%	10.77%	13.12%	9.16%	8.74%	8.37%	10.63%	9.48%	12.09%	11.92%

Frequently Asked Questions

Can I hold both PCDIX and PTY in my portfolio?

PCDIX and PTY have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PCDIX or PTY?

PTY has higher volatility (2.05%) compared to PCDIX (0.37%). In terms of maximum drawdown, PCDIX dropped -4.52% vs PTY's -60.86%.

Which has better risk-adjusted returns?

PCDIX currently has the higher Sharpe Ratio (3.09 vs -0.41), 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.