ARKR vs TARA: Correlation
Measured on weekly returns over the past three years, Ark Restaurants Corp. (ARKR) and Protara Therapeutics, Inc. (TARA) carry a correlation of 0.42, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKR and TARA?
On 3 years of weekly data the ARKR/TARA correlation comes out at 0.42, moderate. The link has loosened recently: the 1-year correlation (0.04) runs below the 3-year figure (0.42). The 5-year figure is 0.38, and annualized covariance runs at 1955.1 %².
In ARKR's tracked universe of 14 assets, TARA sits right near the top at #3. Their recent paths diverged sharply: over the last 12 months TARA outperformed by 46.3 percentage points (-22.8% for ARKR against +23.5% for TARA). Risk is not evenly split, since TARA carries 1.8 times the volatility of the other side.
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.
ARKR vs TARA: side by side
| ARKR (Ark Restaurants Corp.) | TARA (Protara Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -22.8% | +23.5% |
| 5-year return | -64.1% | -49.9% |
| Volatility (ann.) | 50.4% | 93.1% |
| Beta vs S&P 500 | 0.34 | 1.19 |
| Max drawdown (3Y) | -70.3% | -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 | ARKR | TARA |
|---|---|---|
| 2022 | +0.4% | -60.3% |
| 2023 | -11.5% | -30.0% |
| 2024 | -19.8% | +181.6% |
| 2025 | -39.0% | +0.9% |
| 2026 | -21.3% | -25.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKR and TARA good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ARKR and TARA?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.04 over the last year and 0.38 over 5 years.
Is TARA a good diversifier for ARKR?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
A reading of 0.42 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/arkr-vs-tara.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/arkr-vs-tara/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ARKR correlations · TARA correlations
