Co-movers

daily closes · 500dMethod

Moved together

BAwithACHR

×0.81co-movement · ACHR on BA · 500d

r 0.32scale to r 0.75

Shared co-movers1with BAwith ACHR

UALUnited Airlines Holdings, Inc.r 0.47r 0.33

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

BABoeing Co

172.50· pre 171.94· delayed

Mkt cap$136.7BRevenue$24.2BQ3 FY26Revenue$89.5BFY25

ACHRArcher Aviation Inc.

3.88· pre 3.94· delayed

Pre-marketNov 6 '26delayed

Mkt cap$3.2BRevenue$5MQ2 FY26Revenue—

vs

Compare

Pre-marketNov 6 '26delayed

BABoeing Co

vs

ACHRArcher Aviation Inc.

172.50pre 171.94delayed

Price

3.88pre 3.94delayed

$136.7B

Mkt cap

$3.2B

Q3 FY26$24.2B

Revenue

$5MQ2 FY26

FY25$89.5B

Revenue

—

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