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
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 500 | 1.35 | 1.80 |
| Max drawdown (3Y) | -78.2% | -61.6% |
| Market cap | $0.1B | $2.4B |
| P/E (trailing) | 1.0 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FBIO | OCUL |
|---|---|---|
| 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
$ curl https://www.pairbook.io/api/v1/pairs/fbio-vs-ocul.json
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Related comparisons
Hubs: FBIO correlations · OCUL correlations