BEAT vs PETS: Correlation
Measured on weekly returns over the past three years, Heartbeam, Inc. (BEAT) and PetMed Express, Inc. (PETS) carry a correlation of 0.63, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BEAT and PETS?
Over the past 3 years, BEAT and PETS moved with a correlation of 0.63, which is strong. Lately the two have moved closer together, with the 1-year correlation at 0.84 versus 0.63 over 3 years. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 7017.7 %².
Few assets follow BEAT as closely as PETS, which ranks #2 of 16 tracked partners. The last year tells two different stories: PETS led by 17.3 percentage points, -58.8% for BEAT against -41.5% for PETS. One caveat on sizing: BEAT is 2.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
BEAT vs PETS: side by side
| BEAT (Heartbeam, Inc.) | PETS (PetMed Express, Inc.) | |
|---|---|---|
| 1-year return | -58.8% | -41.5% |
| 5-year return | -89.6% | -92.7% |
| Volatility (ann.) | 152.8% | 72.9% |
| Beta vs S&P 500 | 0.65 | 1.10 |
| Max drawdown (3Y) | -86.1% | -86.3% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BEAT | PETS |
|---|---|---|
| 2022 | +58.4% | -25.8% |
| 2023 | -51.8% | -54.8% |
| 2024 | -2.1% | -36.2% |
| 2025 | +4.3% | -33.6% |
| 2026 | -79.8% | -42.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BEAT and PETS good diversifiers for each other?
Somewhat, no more. With 0.63 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between BEAT and PETS?
Using weekly returns as of 2026-08-27: 0.63 over 3 years, with 0.84 over the last year and 0.51 over 5 years.
Is PETS a good diversifier for BEAT?
Somewhat, no more. With 0.63 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.63 mean?
A reading of 0.63 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/beat-vs-pets.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/beat-vs-pets/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BEAT correlations · PETS correlations
