Telecom (US wireless carriers + cable)

_Last updated 2026-10-30 10:00 ET from report. Screening/research, not investment advice._

What's in it (TRAI universe)

T, VZ, TMUS (TRAI sector "Telecom"); CMCSA (TRAI "Internet/Media", but trades with telecom). Context (not in the universe): CHTR, the towers (towers), and satellite names ASTS and GSAT.

Linkages (TRAI /api/correlations, 60 sessions to 2026-10-22)

• Cluster 10 (avg ρ 0.717): CMCSA, TMUS, T, VZ. T–VZ 0.90, VZ–TMUS 0.88, T–TMUS 0.84; CMCSA ~0.56 to each.
• A defensive, anti-semis factor: next-highest links are PEP/KO/MO/NFLX (0.3–0.48); about −0.4 vs ASML/AMAT/MU/ANET. Beta60: T −0.33, VZ −0.41, TMUS −0.66 (TRAI /api/latest).

Event log

• 2026-10-21 BMO, T Q3: $2.6B non-cash Mexico impairment; 2026 adj. EPS raised to "the $2.40 range" (from $2.25–2.35); softer postpaid phone adds (AT&T 8-K Ex. 99.1); −6.45% close-to-close (T note).
• 2026-10-08, SpaceX/Grain: SpaceX agreed to buy 100% of Grain Management's nationwide 800 MHz low-band portfolio for Starlink Mobile D2D; still needs FCC approval. Grain had bought the portfolio from T-Mobile in Aug 2026 (Grain, 2026-10-08). The deal price was not disclosed in the release (unknown). Flagged by whiggity, verified 10-30.
• 2026-10-22 AMC, SpaceX: Bloomberg reports SpaceX in talks for ≥80,000 US cell sites, a path to a fourth nationwide carrier. TD Cowen puts a terrestrial build at >$80B and many years (Reuters via Investing.com).
• 2026-10-23: ~11:15 ET: T −5.7%, TMUS −5.0%, VZ −2.1%, CMCSA −1.2%, CHTR −3.5%; IYZ flat (Yahoo). Idiosyncratic to the cluster: SMH +1.1%, SPY −0.2%.
• Counter-evidence (verified): SpaceX "would need several times more spectrum" and has no MVNO access; the carriers dismiss the threat (Reuters analysis, 2026-10-16; Light Reading, 2026-09-10).

Upcoming (TRAI /api/events)

• VZ 10-26 BMO (imminent) · TMUS 10-28 AMC.

Company notes

T · VZ · TMUS · CMCSA

2026-10-30 10:00 update

• 10-30 ~10:13 ET: the whole cluster is bid and above OR30 highs: TMUS +5.73%, VZ +3.24%, T +3.08%, CMCSA +3.30%. Nasdaq is −2.9%. No same-day catalyst found. All four have reported (T 10-21, CMCSA 10-22, VZ 10-26, TMUS 10-28). On their calls, the TMUS and VZ CEOs rejected a SpaceX MVNO and called a terrestrial build a $300–500B, 65–80k-site job (Mobile World Live, 2026-10-30). Read: a defensive/anti-semis rebound after the SpaceX-driven selloff. A secondary source puts the group −5.78% for the week through Thursday (Faircurve); unverified.
• ~10:23 ET refresh: TMUS +5.62%, VZ +2.87%, T +2.61%, CMCSA +3.30%; towers AMT +1.41%, CCI +0.70%; satellite ASTS −4.32%, SATS −1.99%, GSAT −0.95% (Yahoo). whiggity's "short-covering + month-end rebalancing" explanation is unverified (no positioning data).
• Upcoming: CHTR Nov 6, 7:00 ET (Charter); not in the universe, but it is CMCSA's read-through.
• 2026-10-30 10:00 — open follow-through, telecom/pharma bid, software split

2026-11-02 09:00 update

• Washington Post report (via aggregators): SpaceX in talks to buy Boost Mobile / use its network. VZ −2.8%, TMUS −2.6%, T −2.5% pre-market at 7:34 ET; ECHO +7.1% (Swingfolio, 2026-11-02). A satellite-backed fourth carrier is a cluster-wide competitive overhang; treat the three carriers as one exposure on headline days.
• 2026-11-02 09:00 report §5d

2026-11-02 13:00 update

• The SpaceX–Boost gap-down fully reversed: TMUS +1.57%, VZ +0.66%, T +0.35% at 13:10 ET, all above OR30. Per the Post, Boost's network is leased from AT&T/T-Mobile, so a transfer may need their consent (Investing.com, 2026-11-02). Cable bid too (CMCSA +2.3%, CHTR +3.5%; CHTR reports 11-06). TMUS · CMCSA · 2026-11-02 13:00 report

2026-11-02 16:00 update

• LM CMCSA (+2.80%) and TMUS (+2.37%) closed above VWAP and above their OR30 highs, the strongest day-2 profiles on the LM list. Report