GCTK vs RAPP: Correlation
GlucoTrack, Inc. (GCTK) and Rapport Therapeutics, Inc. (RAPP) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GCTK and RAPP?
Across a 3-year window, the weekly returns of GCTK and RAPP correlate at 0.42, moderate. The link has tightened recently: the 1-year correlation (0.54) runs above the 3-year figure (0.42). Stretching to 5 years gives n/a, with an annualized covariance of 6567.0 %².
RAPP is one of the assets that tracks GCTK most closely: it ranks #1 out of the 10 assets we track against GCTK. Correlation aside, the last 12 months split them widely, with RAPP ahead by 333.1 points (-93.6% versus +239.5%). Risk is not evenly split, since GCTK carries 1.9 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.
GCTK vs RAPP: side by side
| GCTK (GlucoTrack, Inc.) | RAPP (Rapport Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -93.6% | +239.5% |
| 5-year return | -100.0% | n/a |
| Volatility (ann.) | 174.3% | 89.6% |
| Beta vs S&P 500 | 1.74 | 1.91 |
| Max drawdown (3Y) | -100.0% | -75.5% |
| Market cap | – | $2.4B |
| P/E (trailing) | 0.3 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GCTK | RAPP |
|---|---|---|
| 2022 | -66.2% | – |
| 2023 | -81.4% | – |
| 2024 | -71.5% | – |
| 2025 | -99.1% | +71.0% |
| 2026 | -92.6% | +67.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GCTK and RAPP good diversifiers for each other?
A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between GCTK and RAPP?
As of 2026-08-27, the correlation of weekly returns between GCTK and RAPP is 0.42 over 3 years, 0.54 over 1 year and n/a over 5 years.
Is RAPP a good diversifier for GCTK?
A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.42 mean?
A reading of 0.42 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: GCTK correlations · RAPP correlations
