Co-movers

daily closes · 501dMethod

Moved together

AMZNwithORCL

×0.50co-movement · ORCL on AMZN · 501d

r 0.29scale to r 0.75

Shared co-movers1with AMZNwith ORCL

MSFTMicrosoft Corpr 0.51r 0.43

AMZN, solidORCL, hatched× = co-movement · βr = correlationBar = r to r 0.75Order: weaker of A and BSource: daily closes

AMZN compared with ORCL: revenue, margins and what each company keeps, and the suppliers and customers both name