PDYN vs. O

Last updated Jun 5, 2026

PDYN (Palladyne AI Corp) and O (Realty Income Corporation) are both stocks. PDYN operates in Software - Infrastructure (Technology), while O operates in REIT - Retail (Real Estate). Over the past 3 years, PDYN returned 54.33%/yr vs 5.58%/yr for O. At a 0.04 correlation, their price movements are largely independent.

Performance

PDYN vs. O - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Palladyne AI Corp (PDYN) 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, PDYN achieves a 91.55% return, which is significantly higher than O's 8.31% return.

PDYN

• 1D: 4.48%
• 1M: 32.90%
• YTD: 91.55%
• 6M: 37.14%
• 1Y: -8.52%
• 3Y*: 54.33%
• 5Y*: —
• 10Y*: —

O

• 1D: 0.05%
• 1M: -5.60%
• YTD: 8.31%
• 6M: 5.39%
• 1Y: 12.81%
• 3Y*: 5.58%
• 5Y*: 2.48%
• 10Y*: 4.67%

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

PDYN vs. O - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
PDYN Palladyne AI Corp	91.55%	-65.28%	1,601.10%	-78.58%	-94.38%	9.67%
O Realty Income Corporation	8.31%	12.20%	-2.11%	-4.55%	-7.38%	14.06%

Correlation

The correlation between PDYN and O is -0.02, 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	-0.02
Correlation (3Y) Calculated over the trailing 3-year period	0.01
Correlation (All Time) Calculated using the full available price history since Sep 28, 2021	0.04

Fundamentals

EPS PDYN : -$0.61 O : $1.17
PS Ratio PDYN : 47.77 O : 6.88
Total Revenue (TTM) PDYN : $7.07M O : $5.92B
Gross Profit (TTM) PDYN : $2.26M O : $3.89B
EBITDA (TTM) PDYN : -$32.20M O : $3.93B

Return for Risk

PDYN vs. O — Risk / Return Rank

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

PDYN

PDYN Risk / Return Rank: 41
PDYN Sharpe Ratio Rank: 38
PDYN Sortino Ratio Rank: 47
PDYN Omega Ratio Rank: 44
PDYN Calmar Ratio Rank: 37
PDYN Martin Ratio Rank: 37

O

O Risk / Return Rank: 63
O Sharpe Ratio Rank: 67
O Sortino Ratio Rank: 58
O Omega Ratio Rank: 57
O Calmar Ratio Rank: 65
O Martin Ratio Rank: 66

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.

PDYN vs. O - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Palladyne AI Corp (PDYN) 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.

	PDYN	O	Difference
Sharpe ratio: Return per unit of total volatility	-0.08	0.81	-0.89
Sortino ratio: Return per unit of downside risk	0.69	1.15	-0.46
Omega ratio: Gain probability vs. loss probability	1.07	1.14	-0.07
Calmar ratio: Return relative to maximum drawdown	-0.13	1.16	-1.29
Martin ratio: Return relative to average drawdown	-0.20	2.91	-3.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PDYN vs. O - Sharpe Ratio Comparison

The current PDYN Sharpe Ratio is -0.08, which is lower than the O Sharpe Ratio of 0.81. The chart below compares the historical Sharpe Ratios of PDYN 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.

Sharpe Ratios by Period

	PDYN	O	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.08	0.81	-0.89
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.13	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.18	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.24	0.48	-0.72

Drawdowns

PDYN vs. O - Drawdown Comparison

The maximum PDYN drawdown since its inception was -99.23%, which is greater than O's maximum drawdown of -48.45%. Use the drawdown chart below to compare losses from any high point for PDYN and O.

Drawdown Indicators

	PDYN	O	Difference
Max Drawdown Largest peak-to-trough decline	-99.23%	-48.45%	-50.78%
Max Drawdown (1Y) Largest decline over 1 year	-67.27%	-11.10%	-56.17%
Max Drawdown (3Y) Largest decline over 3 years	-84.00%	-26.49%	-57.51%
Max Drawdown (5Y) Largest decline over 5 years	—	-34.48%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-48.28%	—
Current Drawdown Current decline from peak	-86.37%	-10.39%	-75.98%
Average Drawdown Average peak-to-trough decline	-82.00%	-9.21%	-72.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	42.95%	4.42%	+38.53%

Volatility

PDYN vs. O - Volatility Comparison

Palladyne AI Corp (PDYN) has a higher volatility of 26.33% compared to Realty Income Corporation (O) at 5.47%. This indicates that PDYN's price experiences larger fluctuations and is considered to be riskier than O based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PDYN	O	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.33%	5.47%	+20.86%
Volatility (6M) Calculated over the trailing 6-month period	74.77%	11.72%	+63.05%
Volatility (1Y) Calculated over the trailing 1-year period	105.75%	15.92%	+89.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	141.26%	18.87%	+122.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	141.26%	25.62%	+115.64%

Dividends

PDYN vs. O - Dividend Comparison

PDYN has not paid dividends to shareholders, while O's dividend yield for the trailing twelve months is around 5.42%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
O Realty Income Corporation	5.42%	6.19%	5.37%	5.33%	4.68%	3.87%	4.51%	3.69%	4.19%	4.45%	4.18%	4.41%
PDYN Palladyne AI Corp	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both PDYN and O in my portfolio?

PDYN and O have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PDYN or O?

PDYN has higher volatility (26.33%) compared to O (5.47%). In terms of maximum drawdown, PDYN dropped -99.23% vs O's -48.45%.

Which has better risk-adjusted returns?

O currently has the higher Sharpe Ratio (0.81 vs -0.08), 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.