Stock comparison
CIEN vs COHR
Ciena Corporation and Coherent Corp. - both members of Networking / Optical.
CIENUS
Ciena Corporation
- Last close
- $392.48
- Market cap
- $55.6B
- Sector
- Information Technology
- 30d return
- -15.1%
- 90d return
- -18.2%
- 252d return
- -
COHRUS
Coherent Corp.
- Last close
- $290.03
- Market cap
- $56.8B
- Sector
- Information Technology
- 30d return
- -11.4%
- 90d return
- -5.8%
- 252d return
- -
252-day correlation
0.71tight
Pearson correlation of daily log-returns over the last 252 trading days. >0.6 = tight (move as one bloc); 0.4-0.6 = thematic linkage;<0.4 = largely independent. See the full matrix.
Shared context
Bubbles
Themes
Want the full picture? CIEN stock page · COHR stock page · full correlation matrix
Data refreshes daily. Last close 2026-08-20.