CETY vs TCMD: Correlation
Clean Energy Technologies, Inc. (CETY) and Tactile Systems Technology, Inc. (TCMD) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CETY and TCMD?
Over the past 3 years, CETY and TCMD moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.19) sits close to the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -1236.9 %².
TCMD is close to the least connected end of CETY's tracked universe, ranking #8 of 10. The last year tells two different stories: TCMD led by 149.8 percentage points, -74.1% for CETY against +75.7% for TCMD. Risk is not evenly split, since CETY carries 1.6 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.
CETY vs TCMD: side by side
| CETY (Clean Energy Technologies, Inc.) | TCMD (Tactile Systems Technology, Inc.) | |
|---|---|---|
| 1-year return | -74.1% | +75.7% |
| 5-year return | n/a | -47.2% |
| Volatility (ann.) | 102.9% | 63.6% |
| Beta vs S&P 500 | 0.53 | 0.87 |
| Max drawdown (3Y) | -98.5% | -51.8% |
| Market cap | – | $0.5B |
| P/E (trailing) | – | 22.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CETY | TCMD |
|---|---|---|
| 2022 | – | -39.7% |
| 2023 | – | +24.6% |
| 2024 | -59.1% | +19.8% |
| 2025 | -92.1% | +69.3% |
| 2026 | +35.2% | -20.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CETY and TCMD good diversifiers for each other?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
FAQ
What is the correlation between CETY and TCMD?
The CETY/TCMD correlation stands at -0.19 on a 3-year window (1 year: -0.19, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is TCMD a good diversifier for CETY?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
What does a correlation of -0.19 mean?
A reading of -0.19 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/cety-vs-tcmd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cety-vs-tcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CETY correlations · TCMD correlations
