HLLY vs TCMD: Correlation
How closely do Holley Inc. (HLLY) and Tactile Systems Technology, Inc. (TCMD) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HLLY and TCMD?
Over the past 3 years, HLLY and TCMD moved with a correlation of 0.48, which is moderate. The relationship has been stable: the 1-year correlation (0.44) sits close to the 3-year figure. Over 5 years the correlation is 0.27, and the annualized covariance of weekly returns is 1825.2 %².
By 3-year correlation, TCMD places #8 of the 18 assets tracked against HLLY. The last year tells two different stories: TCMD led by 101.1 percentage points, -25.4% for HLLY against +75.7% for TCMD.
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.
HLLY vs TCMD: side by side
| HLLY (Holley Inc.) | TCMD (Tactile Systems Technology, Inc.) | |
|---|---|---|
| 1-year return | -25.4% | +75.7% |
| 5-year return | -74.8% | -47.2% |
| Volatility (ann.) | 60.1% | 63.6% |
| Beta vs S&P 500 | 1.33 | 0.87 |
| Max drawdown (3Y) | -70.2% | -51.8% |
| Market cap | $0.4B | $0.5B |
| P/E (trailing) | 33.0 | 22.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HLLY | TCMD |
|---|---|---|
| 2022 | -83.7% | -39.7% |
| 2023 | +129.7% | +24.6% |
| 2024 | -38.0% | +19.8% |
| 2025 | +36.8% | +69.3% |
| 2026 | -28.1% | -20.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HLLY and TCMD good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between HLLY and TCMD?
The HLLY/TCMD correlation stands at 0.48 on a 3-year window (1 year: 0.44, 5 years: 0.27), computed from weekly returns as of 2026-08-27.
Is TCMD a good diversifier for HLLY?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 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/hlly-vs-tcmd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/hlly-vs-tcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
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Hubs: HLLY correlations · TCMD correlations