GCTK vs GNLN: Correlation
How closely do GlucoTrack, Inc. (GCTK) and Greenlane Holdings, Inc. (GNLN) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GCTK and GNLN?
On 3 years of weekly data the GCTK/GNLN correlation comes out at 0.40, moderate. The past 12 months show a weaker link (0.29) than the 3-year average (0.40). The 5-year figure is 0.29, and annualized covariance runs at 16075.2 %².
GNLN is one of the assets that tracks GCTK most closely: it ranks #3 out of the 10 assets we track against GCTK. Neither side won the trailing year by much: -93.6% against -89.2%.
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.
GCTK vs GNLN: side by side
| GCTK (GlucoTrack, Inc.) | GNLN (Greenlane Holdings, Inc.) | |
|---|---|---|
| 1-year return | -93.6% | -89.2% |
| 5-year return | -100.0% | -100.0% |
| Volatility (ann.) | 174.3% | 231.5% |
| Beta vs S&P 500 | 1.74 | 2.48 |
| Max drawdown (3Y) | -100.0% | -100.0% |
| Market cap | – | – |
| P/E (trailing) | 0.3 | 0.3 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GCTK | GNLN |
|---|---|---|
| 2022 | -66.2% | -98.5% |
| 2023 | -81.4% | -82.0% |
| 2024 | -71.5% | -71.0% |
| 2025 | -99.1% | -99.9% |
| 2026 | -92.6% | -77.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GCTK and GNLN good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between GCTK and GNLN?
Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.29 over the last year and 0.29 over 5 years.
Is GNLN a good diversifier for GCTK?
Yes, to a useful degree: a correlation of 0.40 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.40 mean?
On the −1 to +1 scale, 0.40 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/gctk-vs-gnln.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/gctk-vs-gnln/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GCTK correlations · GNLN correlations
