AT&T

T · United States

AT&T traded $2.1B on 23 Oct 2026, 1.9× its 20-session average. Sector: Telecom & Connectivity.

504 trading days of history, to 2026-10-23 · all values converted to USD

Last close
$20.93
23 Oct
1-day change
-8.0%
vs previous close
Market cap
$143.4B
as of 23 Oct
Turnover
1.5%
of market cap traded
Dollar volume
$2.1B
as of 23 Oct
vs prior 20 sessions
1.9×
as of 23 Oct
Share of market volume
0.53%
as of 23 Oct
Volatility
26.4%
annualised

Infinity volume insights

since 14 April 2025

Every session our rules flagged for this company since 14 April 2025: 13. Those marked “In the feed” were published in the daily feed at the time; the rest are computed with the rules in use now. The feed shows a few a day across every market, so most never appear there. We began tracking this company on 28 September 2026; findings before then are marked “Before we tracked it”: it traded that way, and we were not yet watching.

  1. 2026-10-09In the feed

    AT&T turned over 2.2% of its market cap, one of its own heaviest 1% of sessions in the past year

    Its mark is 2.0%: its heaviest 1% of sessions over the previous 250. It is judged against its own year because its usual session (0.57%) is under a tenth of the mark for the companies we track in the US worth $50–200B (6.7%). $3.3B against a 20-day average of $961.7M, on a falling price (-10.8%). Turnover 2.2% of market cap, 3.9× its usual turnover. The -10.8% move is 7.1 standard deviations from its usual daily change.

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Prices and volume via the daily pipeline, converted to USD.

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