PDYN vs RR: Correlation
How closely do Palladyne AI Corp. (PDYN) and Richtech Robotics Inc. (RR) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PDYN and RR?
On 3 years of weekly data the PDYN/RR correlation comes out at 0.50, moderate. Little has changed lately, as the 1-year reading of 0.49 lands near the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at 16110.8 %².
By 3-year correlation, RR places #7 of the 17 assets tracked against PDYN. Correlation aside, the last 12 months split them widely, with PDYN ahead by 19.2 points (-21.9% versus -41.1%).
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
PDYN vs RR: side by side
| PDYN (Palladyne AI Corp.) | RR (Richtech Robotics Inc.) | |
|---|---|---|
| 1-year return | -21.9% | -41.1% |
| 5-year return | -88.8% | n/a |
| Volatility (ann.) | 204.5% | 155.1% |
| Beta vs S&P 500 | 3.45 | 2.22 |
| Max drawdown (3Y) | -68.8% | -96.7% |
| Market cap | $0.3B | $0.4B |
| P/E (trailing) | – | 27.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PDYN | RR |
|---|---|---|
| 2022 | -94.4% | – |
| 2023 | -78.6% | – |
| 2024 | +1601.8% | -54.6% |
| 2025 | -65.3% | +19.6% |
| 2026 | +43.0% | -39.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PDYN and RR good diversifiers for each other?
To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between PDYN and RR?
As of 2026-08-27, the correlation of weekly returns between PDYN and RR is 0.50 over 3 years, 0.49 over 1 year and n/a over 5 years.
Is RR a good diversifier for PDYN?
To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.50 mean?
On the −1 to +1 scale, 0.50 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/pdyn-vs-rr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pdyn-vs-rr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PDYN correlations · RR correlations
