KBSX vs TKC: Correlation
Measured on weekly returns over the past three years, FST Corp. (KBSX) and Turkcell Iletisim Hizmetleri AS (TKC) 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 KBSX and TKC?
Across a 3-year window, the weekly returns of KBSX and TKC correlate at -0.33, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.16) runs above the 3-year figure (-0.33). Stretching to 5 years gives -0.22, with an annualized covariance of -962.1 %².
Among the 16 assets we track against KBSX, TKC sits near the bottom by co-movement, at rank #12. Correlation aside, the last 12 months split them widely, with TKC ahead by 26.9 points (-39.5% versus -12.6%). One caveat on sizing: KBSX is 2.7 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.
KBSX vs TKC: side by side
| KBSX (FST Corp.) | TKC (Turkcell Iletisim Hizmetleri AS) | |
|---|---|---|
| 1-year return | -39.5% | -12.6% |
| 5-year return | -89.8% | +30.6% |
| Volatility (ann.) | 88.4% | 32.9% |
| Beta vs S&P 500 | 0.95 | 0.45 |
| Max drawdown (3Y) | -94.0% | -28.5% |
| Market cap | – | $4.7B |
| P/E (trailing) | 8.4 | 12.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KBSX | TKC |
|---|---|---|
| 2022 | – | +38.2% |
| 2023 | +7.3% | +2.5% |
| 2024 | -12.7% | +44.5% |
| 2025 | -85.5% | -14.3% |
| 2026 | -27.9% | -1.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KBSX and TKC 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 KBSX and TKC?
Using weekly returns as of 2026-08-27: -0.33 over 3 years, with -0.16 over the last year and -0.22 over 5 years.
Is TKC a good diversifier for KBSX?
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/kbsx-vs-tkc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/kbsx-vs-tkc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KBSX correlations · TKC correlations
