The week delivered a one-two punch for Deutsche Telekom shareholders, as a cautious customer forecast from its prized US subsidiary collided with a long-awaited regulatory ruling at home. The stock limped into the weekend at €26.45, up 1.54% on Friday but still nursing a 2.04% weekly loss — a modest recovery that does little to mask the deeper crosscurrents facing Europe’s largest telecom operator.
A Subscriber Slowdown That Stung
T-Mobile US added 277,000 postpaid phone subscribers in the second quarter, a figure that beat analysts’ lowered expectations but still represented a 13% decline from the same period last year. The real blow came with the third-quarter outlook: management now expects just 250,000 new accounts, citing a planned tariff restructuring that will temporarily drive more customers to cancel.
Chief Financial Officer Peter Osvaldik described the shift as a short-term spike in churn tied to modernizing rate plans, with the impact concentrated on accounts carrying fewer lines. The admission was enough to send T-Mobile US shares down roughly 6% on Thursday, wiping out a significant chunk of a 20% rally the stock had staged in preceding sessions.
For Deutsche Telekom, which holds just over half of T-Mobile US — a stake valued at roughly €90 billion — every tremor in Bellevue, Washington, registers in Bonn. The US unit is the group’s dominant value driver, with the parent company’s entire market capitalization standing at €126.42 billion.
Not all the quarterly numbers were weak. T-Mobile US raised its full-year guidance for adjusted free cash flow to a range of $18.4 billion to $18.8 billion, while adjusted operating profit climbed 11.7% to $9.5 billion, beating market forecasts. Yet the cautious subscriber outlook overshadowed those gains, particularly after rival AT&T posted stronger net additions.
German Regulators Set the Terms
A day after T-Mobile’s report, Germany’s Federal Network Agency (BNetzA) delivered its final decision on the conditions under which competitors can access Deutsche Telekom’s passive infrastructure — ducts, masts, and conduits. The ruling ends years of uncertainty, locking in fixed terms for at least five years.
Should investors sell immediately? Or is it worth buying Deutsche Telekom?
The decision cuts both ways. On one hand, it provides planning clarity for the entire market. On the other, it erodes the exclusivity of Deutsche Telekom’s fiber network, potentially slowing the take-up rates that investors had hoped would accelerate. Competitors now have a clear runway to use Telekom’s infrastructure for their own networks, which could pressure margins in the German fixed-line business.
The Buyback Signal
Deutsche Telekom has not been idle. On July 23, it bought back 1.35 million of its own shares, a move designed to support the stock price. The buyback program, funded in part by T-Mobile US’s growing cash flow, underscores the delicate balance the parent must strike: reinvesting in German fiber while returning capital to shareholders.
Chart watchers note that the stock sits just 12.36% above its 52-week low of €23.54, a pattern that suggests a possible bottom. But a genuine breakout would require reclaiming the 200-day moving average at €28.66 — a level roughly 7.70% above Friday’s close. From the February peak of €34.35, the shares remain about 23% lower.
What August 6 Will Reveal
All eyes now turn to August 6, when Deutsche Telekom reports its own second-quarter and first-half results. Management will face pointed questions about how the BNetzA decision shapes its German investment strategy and whether the dividend guidance can hold under the new regulatory regime.
The central question for investors is straightforward: can T-Mobile US’s cash generation compensate for any margin compression in Germany? If the US unit’s subscriber slowdown proves temporary, as management insists, the group’s financial engine remains intact. But if the tariff overhaul signals deeper competitive pressure in America, the support beam for Deutsche Telekom’s entire valuation could weaken — just as the German business faces its own structural headwinds.
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