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FBIO vs OCUL: Correlation

Fortress Biotech, Inc. (FBIO) and Ocular Therapeutix, Inc. (OCUL) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.16
last 12 months
Correlation (5Y)
0.31
long-run
Ann. covariance
3046.8
%² · weekly, annualized

How correlated are FBIO and OCUL?

On 3 years of weekly data the FBIO/OCUL correlation comes out at 0.42, moderate. The link has loosened recently: the 1-year correlation (0.16) runs below the 3-year figure (0.42). The 5-year figure is 0.31, and annualized covariance runs at 3046.8 %².

In FBIO's tracked universe of 12 assets, OCUL sits right near the top at #2. The last year tells two different stories: FBIO led by 31.9 percentage points, +19.7% for FBIO against -12.2% for OCUL.

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.

FBIO vs OCUL: side by side

FBIO (Fortress Biotech, Inc.)OCUL (Ocular Therapeutix, Inc.)
1-year return+19.7%-12.2%
5-year return-94.3%+0.7%
Volatility (ann.)94.3%77.8%
Beta vs S&P 5001.351.80
Max drawdown (3Y)-78.2%-61.6%
Market cap$0.1B$2.4B
P/E (trailing)1.0
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: OCUL -61.6% vs -78.2%Higher 5y return: OCUL +0.7% vs -94.3%
-44%0%+16%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FBIO · OCUL

Year-by-year returns

YearFBIOOCUL
2022-73.6%-59.7%
2023-69.6%+58.7%
2024-32.6%+91.5%
2025+80.3%+42.2%
2026-23.5%-10.9%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are FBIO and OCUL good diversifiers for each other?

Reasonably. At 0.42, FBIO and OCUL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between FBIO and OCUL?

As of 2026-08-27, the correlation of weekly returns between FBIO and OCUL is 0.42 over 3 years, 0.16 over 1 year and 0.31 over 5 years.

Is OCUL a good diversifier for FBIO?

Reasonably. At 0.42, FBIO and OCUL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.42 mean?

A reading of 0.42 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/fbio-vs-ocul.json

FBIO vs OCUL: 3-year weekly correlation 0.42FBIO vs OCUL0.42

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Related comparisons

Hubs: FBIO correlations · OCUL correlations