Are CIEN and FN correlated?

CIEN and FN have a 252-day pairwise correlation of 0.73 (tight). Values above 0.6 indicate the two stocks tend to move together as part of the same capital flow; below 0.4 they're largely independent.

Do CIEN and FN share any ETFs?

Yes - 1 ETFs hold both CIEN and FN, including LYTE.

Which bubbles or themes do CIEN and FN share?

CIEN and FN share these AI-supercycle groupings: Networking / Optical (bubble), Photonics (theme).

Stock comparison

CIEN vs FN

Ciena Corporation and Fabrinet - both members of Networking / Optical.

CIENUS

Ciena Corporation

Last close: $243.39
Market cap: $34.5B
Sector: Information Technology
30d return: -31.8%
90d return: -47.4%
252d return: -

FNUS

Fabrinet

Last close: $327.13
Market cap: $11.7B
Sector: Information Technology
30d return: -21.6%
90d return: -40.2%
252d return: -

252-day correlation

0.73tight

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

Data refreshes daily. Last close 2026-11-08.

252-day correlation

Shared context

Bubbles

Themes

ETFs (1)