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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

Correlation (3Y)
0.77
strong
Correlation (1Y)
0.78
last 12 months
Correlation (5Y)
0.74
long-run
Ann. covariance
828.0
%² · weekly, annualized

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 5000.880.98
Max drawdown (3Y)-49.7%-48.4%
Market cap$0.9B$3.4B
P/E (trailing)10.911.6
Dividend yield1.21%6.36%
Sector / categoryUS ListedUS Listed
Lower P/E: SB 10.9 vs 11.6Higher yield: SBLK 6.36% vs 1.21%Smaller drawdown: SBLK -48.4% vs -49.7%Higher 5y return: SB +151.1% vs +126.3%
-13%0%+97%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). SB · SBLK

Year-by-year returns

YearSBSBLK
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

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SB vs SBLK: 3-year weekly correlation 0.77SB vs SBLK0.77

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Related comparisons

Hubs: SB correlations · SBLK correlations