Co-movers

daily closesMethod

Moved together

SSMwithRUM

No shared trading history for SSM and RUM.

Shared co-movers: not yet measured (SSM, RUM).

SSM, solidRUM, hatchedr = correlationBar = r to r 0.75Source: daily closes

SSMSono Group N.V.

0.95−1.40%· post 0.98

Mkt cap$1.4MRevenue$59,869Q4 FY25Revenue—

RUMRUM Group Inc.

5.04−5.24%· post 5.12

ClosedNov 2 '26

Mkt cap$1.5BRevenue$40MQ2 FY26Revenue$101MFY25

vs

Compare

ClosedNov 2 '26

SSMSono Group N.V.

vs

RUMRUM Group Inc.

0.95−1.40%post 0.98

Price

5.04−5.24%post 5.12

$1.4M

Mkt cap

$1.5B

Q4 FY25$59,869

Revenue

$40MQ2 FY26

—

Revenue

$101MFY25

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