KPTI vs MYSZ: Correlation
Measured on weekly returns over the past three years, Karyopharm Therapeutics Inc. (KPTI) and My Size, Inc. (MYSZ) carry a correlation of -0.33, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KPTI and MYSZ?
Across a 3-year window, the weekly returns of KPTI and MYSZ correlate at -0.33, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.49 versus -0.33 over 3 years. Stretching to 5 years gives -0.25, with an annualized covariance of -18905.5 %².
Within KPTI's tracked universe of 18 assets, MYSZ comes in at #11 by 3-year correlation. The last year tells two different stories: MYSZ led by 190.1 percentage points, -75.2% for KPTI against +114.9% for MYSZ. One caveat on sizing: MYSZ is 5.9 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.
KPTI vs MYSZ: side by side
| KPTI (Karyopharm Therapeutics Inc.) | MYSZ (My Size, Inc.) | |
|---|---|---|
| 1-year return | -75.2% | +114.9% |
| 5-year return | -97.6% | -98.8% |
| Volatility (ann.) | 98.0% | 577.7% |
| Beta vs S&P 500 | 1.63 | 1.49 |
| Max drawdown (3Y) | -92.7% | -97.7% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KPTI | MYSZ |
|---|---|---|
| 2022 | -47.1% | -78.5% |
| 2023 | -74.6% | -75.2% |
| 2024 | -21.8% | -20.9% |
| 2025 | -27.4% | -82.2% |
| 2026 | -73.6% | +243.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KPTI and MYSZ good diversifiers for each other?
Yes: at -0.33, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between KPTI and MYSZ?
Using weekly returns as of 2026-08-27: -0.33 over 3 years, with -0.49 over the last year and -0.25 over 5 years.
Is MYSZ a good diversifier for KPTI?
Yes: at -0.33, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.33 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/kpti-vs-mysz.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/kpti-vs-mysz/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: KPTI correlations · MYSZ correlations
