COHR vs FN: Correlation
Measured on weekly returns over the past three years, Coherent Corp. (COHR) and Fabrinet (FN) carry a correlation of 0.62, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COHR and FN?
On 3 years of weekly data the COHR/FN correlation comes out at 0.62, strong. The past 12 months show a tighter link (0.75) than the 3-year average (0.62). The 5-year figure is 0.62, and annualized covariance runs at 2245.8 %².
Among the 41 assets we track against COHR, FN ranks #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months COHR outperformed by 195.4 percentage points (+225.6% for COHR against +30.2% for FN).
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.
COHR vs FN: side by side
| COHR (Coherent Corp.) | FN (Fabrinet) | |
|---|---|---|
| 1-year return | +225.6% | +30.2% |
| 5-year return | +368.6% | +317.1% |
| Volatility (ann.) | 65.0% | 55.4% |
| Beta vs S&P 500 | 2.76 | 1.97 |
| Max drawdown (3Y) | -54.8% | -44.5% |
| Market cap | $57.8B | $15.5B |
| P/E (trailing) | 71.4 | 33.2 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | COHR | FN |
|---|---|---|
| 2022 | -48.6% | +8.2% |
| 2023 | +24.0% | +48.4% |
| 2024 | +117.6% | +15.5% |
| 2025 | +94.8% | +107.1% |
| 2026 | +60.0% | -5.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COHR and FN good diversifiers for each other?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between COHR and FN?
As of 2026-08-27, the correlation of weekly returns between COHR and FN is 0.62 over 3 years, 0.75 over 1 year and 0.62 over 5 years.
Is FN a good diversifier for COHR?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.62 mean?
A reading of 0.62 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/cohr-vs-fn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cohr-vs-fn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: COHR correlations · FN correlations