NPCE vs TCMD: Correlation
Measured on weekly returns over the past three years, Neuropace, Inc. (NPCE) and Tactile Systems Technology, Inc. (TCMD) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NPCE and TCMD?
On 3 years of weekly data the NPCE/TCMD correlation comes out at 0.36, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.67 versus 0.36 over 3 years. The 5-year figure is 0.26, and annualized covariance runs at 1588.9 %².
Few assets follow NPCE as closely as TCMD, which ranks #3 of 11 tracked partners. Correlation aside, the last 12 months split them widely, with TCMD ahead by 16.6 points (+59.1% versus +75.7%).
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.
NPCE vs TCMD: side by side
| NPCE (Neuropace, Inc.) | TCMD (Tactile Systems Technology, Inc.) | |
|---|---|---|
| 1-year return | +59.1% | +75.7% |
| 5-year return | -32.7% | -47.2% |
| Volatility (ann.) | 69.9% | 63.6% |
| Beta vs S&P 500 | 0.85 | 0.87 |
| Max drawdown (3Y) | -66.3% | -51.8% |
| Market cap | $0.5B | $0.5B |
| P/E (trailing) | – | 22.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NPCE | TCMD |
|---|---|---|
| 2022 | -85.2% | -39.7% |
| 2023 | +591.9% | +24.6% |
| 2024 | +8.5% | +19.8% |
| 2025 | +38.0% | +69.3% |
| 2026 | -8.5% | -20.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NPCE and TCMD good diversifiers for each other?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between NPCE and TCMD?
As of 2026-08-27, the correlation of weekly returns between NPCE and TCMD is 0.36 over 3 years, 0.67 over 1 year and 0.26 over 5 years.
Is TCMD a good diversifier for NPCE?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.36 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/npce-vs-tcmd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/npce-vs-tcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NPCE correlations · TCMD correlations
