INSW vs TEN: Correlation
Measured on weekly returns over the past three years, International Seaways, Inc. (INSW) and Tsakos Energy Navigation Ltd (TEN) carry a correlation of 0.85, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INSW and TEN?
On 3 years of weekly data the INSW/TEN correlation comes out at 0.85, very strong, meaning they move nearly in lockstep. Little has changed lately, as the 1-year reading of 0.85 lands near the 3-year figure. The 5-year figure is 0.75, and annualized covariance runs at 1145.2 %².
In INSW's tracked universe of 21 assets, TEN sits right near the top at #2. Their recent paths diverged sharply: over the last 12 months INSW outperformed by 52.1 percentage points (+150.3% for INSW against +98.2% for TEN).
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 TEN: side by side
| INSW (International Seaways, Inc.) | TEN (Tsakos Energy Navigation Ltd) | |
|---|---|---|
| 1-year return | +150.3% | +98.2% |
| 5-year return | +861.9% | +584.9% |
| Volatility (ann.) | 36.8% | 36.7% |
| Beta vs S&P 500 | 0.50 | 0.66 |
| Max drawdown (3Y) | -50.4% | -52.6% |
| Market cap | $4.9B | $1.3B |
| P/E (trailing) | 6.0 | 6.6 |
| Dividend yield | 0.51% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | INSW | TEN |
|---|---|---|
| 2022 | +162.5% | +138.5% |
| 2023 | +42.9% | +38.1% |
| 2024 | -10.9% | -16.0% |
| 2025 | +45.0% | +33.1% |
| 2026 | +123.1% | +92.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INSW and TEN good diversifiers for each other?
No. With a correlation of 0.85, INSW and TEN move nearly in lockstep, so holding both adds very little diversification.
FAQ
What is the correlation between INSW and TEN?
Using weekly returns as of 2026-08-27: 0.85 over 3 years, with 0.85 over the last year and 0.75 over 5 years.
Is TEN a good diversifier for INSW?
No. With a correlation of 0.85, INSW and TEN move nearly in lockstep, so holding both adds very little diversification.
What does a correlation of 0.85 mean?
A reading of 0.85 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/insw-vs-ten.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/insw-vs-ten/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: INSW correlations · TEN correlations
