Are ARM and RMBS correlated?

ARM and RMBS have a 252-day pairwise correlation of 0.58 (moderate). 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 ARM and RMBS share any ETFs?

Yes - 1 ETFs hold both ARM and RMBS, including SOXX.

Which bubbles or themes do ARM and RMBS share?

ARM and RMBS share these AI-supercycle groupings: AI Inference (theme).

Stock comparison

ARM vs RMBS

Arm Holdings plc and Rambus Inc.

ARMUS

Arm Holdings plc

Last close: $279.44
Market cap: $298.4B
Sector: Information Technology
30d return: -11.4%
90d return: +94.2%
252d return: -

RMBSUS

Rambus Inc.

Last close: $100.85
Market cap: $10.9B
Sector: Information Technology
30d return: -10.7%
90d return: +9.8%
252d return: -

252-day correlation

0.58moderate

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

Themes

AI Inference

ETFs (1)

SOXX

Want the full picture? ARM stock page · RMBS stock page · full correlation matrix

Data refreshes daily. Last close 2026-08-15.