On October 8, SpaceX announced a deal to buy a nationwide portfolio of low-band wireless spectrum. The next trading day, the three biggest US carriers each had one of their worst sessions in years.
What SpaceX is buying
Spectrum is simply the slice of radio waves that carries wireless signals, a bit like a lane on a highway. SpaceX agreed to buy up to 14 megahertz of paired spectrum in the 800 MHz band from the investment firm Grain Management. Grain had bought the licenses from T-Mobile earlier this year – more on: Yahoo Financestocktwits
Why this particular lane? Low-band signals travel farther and penetrate walls better than the higher frequencies Starlink uses today. SpaceX calls this one of the key remaining technical gaps for its planned Starlink Mobile service. The deal still needs FCC approval.
More on: AT&T, Verizon And T-Mobile Stocks Slump As SpaceX Announces Key ‘Starlink Mobile’ Deal
What the market did
On Friday, October 9, AT&T closed down 9.8%, Verizon 8.8% and T-Mobile 13.3%. It was Verizon’s worst day since July 2002, while SpaceX shares rose about 1%. JPMorgan said the deal made Starlink Mobile’s long-term opportunity more credible.
More: SpaceX spectrum acquisition ripples through telecom stocks
A reality check, as of October 13
By Tuesday, analysts were sounding calmer. Raymond James called the fears overblown, arguing that a real challenge is more than three years away, and upgraded T-Mobile. Morningstar said its base case is still that Starlink will not threaten the carriers’ wireless operations, though it raised its uncertainty ratings for all three companies from “medium” to “high.” It added that Verizon, despite having the weakest low-band position of the big three, still holds more than three times SpaceX’s low-band depth in most areas.
The carriers’ own message is similar. T-Mobile’s technology chief wrote that spectrum can be bought in one transaction, but a nationwide network is built site by site over years, and put Starlink Mobile’s holdings at about 80 megahertz after the deal, against nearly 400 at T-Mobile. Verizon made the same point: spectrum alone does not provide the network needed to compete.
One more caution: the price. Reuters reported that the terms were not disclosed, although the Wall Street Journal reported a figure of around $8 billion.
What to watch next
Four things will show whether this is a real threat or mostly a scare: FCC approval, a real consumer plan, whether the signal works indoors where people actually live, and whether SpaceX builds its own towers or partners with existing operators.
The bottom line: the deal made the threat more credible, not imminent. The stock market reacted to the first part immediately; the second part will take years to play out.
Legal Notice: This article is general information, not investment advice!
Sources:
- CNBC, “Verizon posts worst day since 2002 as SpaceX U.S. network plans whack cell provider stocks,” October 9, 2026
- Axios, “SpaceX spectrum deal unsettles investors in AT&T, Verizon, T-Mobile,” October 9, 2026
- Stocktwits, “SPCX Stock Slips Overnight: Analysts See T-Mobile and Verizon Holding The Edge In Starlink’s Wireless Push,” October 13, 2026
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Picture: Gemini AI