GCTK vs TULP: Correlation
How closely do GlucoTrack, Inc. (GCTK) and Bloomia Holdings, Inc. (TULP) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GCTK and TULP?
Over the past 3 years, GCTK and TULP moved with a correlation of -0.25, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.48) than the 3-year average (-0.25). Over 5 years the correlation is 0.00, and the annualized covariance of weekly returns is -2329.8 %².
Among the 10 assets we track against GCTK, TULP sits near the bottom by co-movement, at rank #10. Correlation aside, the last 12 months split them widely, with TULP ahead by 53.2 points (-93.6% versus -40.4%). One caveat on sizing: GCTK is 3.3 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.
GCTK vs TULP: side by side
| GCTK (GlucoTrack, Inc.) | TULP (Bloomia Holdings, Inc.) | |
|---|---|---|
| 1-year return | -93.6% | -40.4% |
| 5-year return | -100.0% | -59.8% |
| Volatility (ann.) | 174.3% | 52.9% |
| Beta vs S&P 500 | 1.74 | 0.08 |
| Max drawdown (3Y) | -100.0% | -53.2% |
| Market cap | – | – |
| P/E (trailing) | 0.3 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GCTK | TULP |
|---|---|---|
| 2022 | -66.2% | -66.2% |
| 2023 | -81.4% | -41.0% |
| 2024 | -71.5% | +5.2% |
| 2025 | -99.1% | -28.9% |
| 2026 | -92.6% | -1.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GCTK and TULP good diversifiers for each other?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between GCTK and TULP?
The GCTK/TULP correlation stands at -0.25 on a 3-year window (1 year: -0.48, 5 years: 0.00), computed from weekly returns as of 2026-08-27.
Is TULP a good diversifier for GCTK?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.25 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/gctk-vs-tulp.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gctk-vs-tulp/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GCTK correlations · TULP correlations
