SB vs SBLK: Correlation
How closely do Safe Bulkers, Inc (SB) and Star Bulk Carriers Corp. (SBLK) trade together? Their weekly returns over three years give a correlation of 0.77, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SB and SBLK?
Across a 3-year window, the weekly returns of SB and SBLK correlate at 0.77, strong. Little has changed lately, as the 1-year reading of 0.78 lands near the 3-year figure. Stretching to 5 years gives 0.74, with an annualized covariance of 828.0 %².
In SB's tracked universe of 15 assets, SBLK sits right near the top at #1. The last year tells two different stories: SB led by 28.7 percentage points, +100.8% for SB against +72.1% for SBLK.
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.
SB vs SBLK: side by side
| SB (Safe Bulkers, Inc) | SBLK (Star Bulk Carriers Corp.) | |
|---|---|---|
| 1-year return | +100.8% | +72.1% |
| 5-year return | +151.1% | +126.3% |
| Volatility (ann.) | 33.0% | 32.5% |
| Beta vs S&P 500 | 0.88 | 0.98 |
| Max drawdown (3Y) | -49.7% | -48.4% |
| Market cap | $0.9B | $3.4B |
| P/E (trailing) | 10.9 | 11.6 |
| Dividend yield | 1.21% | 6.36% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SB | SBLK |
|---|---|---|
| 2022 | -18.7% | +8.5% |
| 2023 | +42.9% | +19.2% |
| 2024 | -5.1% | -21.0% |
| 2025 | +40.3% | +30.8% |
| 2026 | +79.5% | +68.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SB and SBLK good diversifiers for each other?
Only partially. A correlation of 0.77 means SB and SBLK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between SB and SBLK?
The SB/SBLK correlation stands at 0.77 on a 3-year window (1 year: 0.78, 5 years: 0.74), computed from weekly returns as of 2026-08-27.
Is SBLK a good diversifier for SB?
Only partially. A correlation of 0.77 means SB and SBLK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.77 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/sb-vs-sblk.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/sb-vs-sblk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SB correlations · SBLK correlations