Co-movers

daily closes · 499dMethod

Moved together

GSKwithSNY

×0.47co-movement · SNY on GSK · 499d

r 0.50scale to r 0.75

Shared co-movers5with GSKwith SNY

PFEPfizer Incr 0.53r 0.50

NVSNovartis AGr 0.64r 0.49

MRKMerck & Co., Inc.r 0.49r 0.41

BMYBristol Myers Squibb Cor 0.50r 0.40

AMGNAmgen Incr 0.58r 0.39

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

GSKGSK plc

50.31−0.20%· post 50.31

Mkt cap$108.6B

SNYSanofi

47.02+0.23%· post 46.81

ClosedNov 6 '26

Mkt cap$57.4B

vs

Compare

ClosedNov 6 '26

GSKGSK plc

vs

SNYSanofi

50.31−0.20%post 50.31

Price

47.02+0.23%post 46.81

$108.6B

Mkt cap

$57.4B

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