RKDA vs TARA: Correlation
How closely do Arcadia Biosciences, Inc. (RKDA) and Protara Therapeutics, Inc. (TARA) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RKDA and TARA?
On 3 years of weekly data the RKDA/TARA correlation comes out at 0.44, moderate. The past 12 months show a weaker link (0.09) than the 3-year average (0.44). The 5-year figure is 0.38, and annualized covariance runs at 4106.2 %².
By 3-year correlation, TARA places #5 of the 13 assets tracked against RKDA. Correlation aside, the last 12 months split them widely, with TARA ahead by 110.1 points (-86.6% versus +23.5%).
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.
RKDA vs TARA: side by side
| RKDA (Arcadia Biosciences, Inc.) | TARA (Protara Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -86.6% | +23.5% |
| 5-year return | -99.5% | -49.9% |
| Volatility (ann.) | 100.4% | 93.1% |
| Beta vs S&P 500 | 1.40 | 1.19 |
| Max drawdown (3Y) | -93.4% | -66.5% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RKDA | TARA |
|---|---|---|
| 2022 | -73.9% | -60.3% |
| 2023 | -71.1% | -30.0% |
| 2024 | +89.1% | +181.6% |
| 2025 | -66.6% | +0.9% |
| 2026 | -74.1% | -25.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RKDA and TARA good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between RKDA and TARA?
As of 2026-08-27, the correlation of weekly returns between RKDA and TARA is 0.44 over 3 years, 0.09 over 1 year and 0.38 over 5 years.
Is TARA a good diversifier for RKDA?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/rkda-vs-tara.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/rkda-vs-tara/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RKDA correlations · TARA correlations
