COHR vs CSCO: Correlation
Measured on weekly returns over the past three years, Coherent Corp. (COHR) and Cisco (CSCO) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COHR and CSCO?
On 3 years of weekly data the COHR/CSCO correlation comes out at 0.43, moderate. The relationship has been stable: the 1-year correlation (0.36) sits close to the 3-year figure. The 5-year figure is 0.43, and annualized covariance runs at 741.2 %².
Among the 41 assets we track against COHR, CSCO ranks #26 by 3-year correlation. The last year tells two different stories: COHR led by 158.3 percentage points, +225.6% for COHR against +67.3% for CSCO. This link changes with the market regime, having swung between -0.02 and 0.67 on a rolling one-year basis. Note the risk asymmetry: COHR runs 2.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 CSCO: side by side
| COHR (Coherent Corp.) | CSCO (Cisco) | |
|---|---|---|
| 1-year return | +225.6% | +67.3% |
| 5-year return | +368.6% | +118.1% |
| Volatility (ann.) | 65.0% | 26.4% |
| Beta vs S&P 500 | 2.76 | 0.84 |
| Max drawdown (3Y) | -54.8% | -20.2% |
| Market cap | $57.8B | $442.0B |
| P/E (trailing) | 71.4 | 33.8 |
| Dividend yield | 0.00% | 1.48% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | COHR | CSCO |
|---|---|---|
| 2022 | -48.6% | -22.5% |
| 2023 | +24.0% | +9.3% |
| 2024 | +117.6% | +21.0% |
| 2025 | +94.8% | +33.5% |
| 2026 | +60.0% | +47.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COHR and CSCO good diversifiers for each other?
Reasonably. At 0.43, COHR and CSCO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between COHR and CSCO?
Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.36 over the last year and 0.43 over 5 years.
Is CSCO a good diversifier for COHR?
Reasonably. At 0.43, COHR and CSCO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.43 mean?
A reading of 0.43 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-csco.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cohr-vs-csco/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: COHR correlations · CSCO correlations
