LUMN −12.3%. IDT +59.4%, Verizon +5.2%, AT&T −10.2%, Telephone & Data Systems −10.5%. Weekly closes, Oct 3, 2025 = 100, log scale.

End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in LUMN’s SEC industry (Telephone Communications (No Radiotelephone)) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.