INSW vs TK: Correlation
Measured on weekly returns over the past three years, International Seaways, Inc. (INSW) and Teekay Corporation Ltd. (TK) carry a correlation of 0.80, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INSW and TK?
Across a 3-year window, the weekly returns of INSW and TK correlate at 0.80, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.85) sits close to the 3-year figure. Stretching to 5 years gives 0.75, with an annualized covariance of 1074.4 %².
Among the 21 assets we track against INSW, TK ranks #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with INSW ahead by 79.9 points (+150.3% versus +70.4%).
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.
INSW vs TK: side by side
| INSW (International Seaways, Inc.) | TK (Teekay Corporation Ltd.) | |
|---|---|---|
| 1-year return | +150.3% | +70.4% |
| 5-year return | +861.9% | +508.0% |
| Volatility (ann.) | 36.8% | 36.4% |
| Beta vs S&P 500 | 0.50 | 0.60 |
| Max drawdown (3Y) | -50.4% | -32.2% |
| Market cap | $4.9B | $1.1B |
| P/E (trailing) | 6.0 | 5.9 |
| Dividend yield | 0.51% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | INSW | TK |
|---|---|---|
| 2022 | +162.5% | +44.6% |
| 2023 | +42.9% | +57.5% |
| 2024 | -10.9% | +11.5% |
| 2025 | +45.0% | +48.2% |
| 2026 | +123.1% | +52.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INSW and TK good diversifiers for each other?
No: a correlation of 0.80 means INSW and TK tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between INSW and TK?
Using weekly returns as of 2026-08-27: 0.80 over 3 years, with 0.85 over the last year and 0.75 over 5 years.
Is TK a good diversifier for INSW?
No: a correlation of 0.80 means INSW and TK tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.80 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/insw-vs-tk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/insw-vs-tk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: INSW correlations · TK correlations
