PTY vs. O

Last updated Jun 13, 2026

PTY (PIMCO Corporate & Income Opportunity Fund) is Corporate Bonds fund managed by PIMCO, while O (Realty Income Corporation) is a stock. Over the past 10 years, PTY returned 8.71%/yr vs 4.89%/yr for O. At a 0.22 correlation, their price movements are largely independent.

Performance

PTY vs. O - Performance Comparison

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

Returns By Period

In the year-to-date period, PTY achieves a -3.70% return, which is significantly lower than O's 13.70% return. Over the past 10 years, PTY has outperformed O with an annualized return of 8.71%, while O has yielded a comparatively lower 4.89% annualized return.

PTY

• 1D: 0.26%
• 1M: -1.34%
• YTD: -3.70%
• 6M: -3.85%
• 1Y: -4.53%
• 3Y*: 7.73%
• 5Y*: -0.75%
• 10Y*: 8.71%

O

• 1D: 1.31%
• 1M: 2.40%
• YTD: 13.70%
• 6M: 11.57%
• 1Y: 14.25%
• 3Y*: 6.59%
• 5Y*: 3.49%
• 10Y*: 4.89%

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

PTY vs. O - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PTY PIMCO Corporate & Income Opportunity Fund	-3.70%	-0.51%	19.87%	22.56%	-18.71%	0.40%	3.24%	35.36%	2.49%	26.63%
O Realty Income Corporation	13.70%	12.20%	-2.11%	-4.55%	-7.38%	23.95%	-11.60%	21.27%	15.94%	3.67%

Correlation

The correlation between PTY and O is 0.05, 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	0.05
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (5Y) Calculated over the trailing 5-year period	0.24
Correlation (10Y) Calculated over the trailing 10-year period	0.20
Correlation (All Time) Calculated using the full available price history since Dec 26, 2002	0.22

The correlation between PTY and O shifts across timeframes, from 0.05 (1 year) to 0.24 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

PTY vs. O — Risk / Return Rank

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

PTY

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

O

O Risk / Return Rank: 66
O Sharpe Ratio Rank: 71
O Sortino Ratio Rank: 62
O Omega Ratio Rank: 61
O Calmar Ratio Rank: 68
O Martin Ratio Rank: 69

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.

PTY vs. O - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIMCO Corporate & Income Opportunity Fund (PTY) and Realty Income Corporation (O). 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.

	PTY	O	Difference
Sharpe ratio: Return per unit of total volatility	-0.42	0.88	-1.30
Sortino ratio: Return per unit of downside risk	-0.50	1.26	-1.76
Omega ratio: Gain probability vs. loss probability	0.92	1.15	-0.23
Calmar ratio: Return relative to maximum drawdown	-0.29	1.29	-1.58
Martin ratio: Return relative to average drawdown	-0.57	3.12	-3.69

PTY vs. O - Sharpe Ratio Comparison

The current PTY Sharpe Ratio is -0.42, which is lower than the O Sharpe Ratio of 0.88. The chart below compares the historical Sharpe Ratios of PTY and O, 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

PTY vs. O - Drawdown Comparison

The maximum PTY drawdown since its inception was -60.86%, which is greater than O's maximum drawdown of -48.45%. Use the drawdown chart below to compare losses from any high point for PTY and O.

Drawdown Indicators

	PTY	O	Difference
Max Drawdown Largest peak-to-trough decline	-60.86%	-48.45%	-12.41%
Max Drawdown (1Y) Largest decline over 1 year	-15.44%	-11.10%	-4.34%
Max Drawdown (3Y) Largest decline over 3 years	-16.04%	-26.49%	+10.45%
Max Drawdown (5Y) Largest decline over 5 years	-41.38%	-34.48%	-6.90%
Max Drawdown (10Y) Largest decline over 10 years	-46.55%	-48.28%	+1.73%
Current Drawdown Current decline from peak	-12.60%	-5.94%	-6.66%
Average Drawdown Average peak-to-trough decline	-8.61%	-9.20%	+0.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.89%	4.58%	+3.31%

Volatility

PTY vs. O - Volatility Comparison

The current volatility for PIMCO Corporate & Income Opportunity Fund (PTY) is 2.64%, while Realty Income Corporation (O) has a volatility of 5.29%. This indicates that PTY experiences smaller price fluctuations and is considered to be less risky than O based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PTY	O	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.64%	5.29%	-2.65%
Volatility (6M) Calculated over the trailing 6-month period	7.49%	11.98%	-4.49%
Volatility (1Y) Calculated over the trailing 1-year period	10.80%	16.21%	-5.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.39%	18.92%	-1.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.19%	25.64%	-4.45%

Dividends

PTY vs. O - Dividend Comparison

PTY's dividend yield for the trailing twelve months is around 12.15%, more than O's 5.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
O Realty Income Corporation	5.16%	6.19%	5.37%	5.33%	4.68%	3.87%	4.51%	3.69%	4.19%	4.45%	4.18%	4.41%
PTY PIMCO Corporate & Income Opportunity Fund	12.15%	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 PTY and O in my portfolio?

PTY and O have a correlation of 0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PTY or O?

O has higher volatility (5.29%) compared to PTY (2.64%). In terms of maximum drawdown, PTY dropped -60.86% vs O's -48.45%.

Which has better risk-adjusted returns?

O currently has the higher Sharpe Ratio (0.88 vs -0.42), 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.