Western Digital
Western Digital traded $4.7B on 23 Oct 2026, 1.3× its 20-session average. Sector: AI Memory & Storage.
504 trading days of history, to 2026-10-23 · all values converted to USD
Infinity volume insights
since 14 April 2025Every session our rules flagged for this company since 14 April 2025: 19. 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 7 September 2026; findings before then are marked “Before we tracked it”: it traded that way, and we were not yet watching.
- 2026-10-02In the feed
Western Digital turned over 6.87% of its market cap, 3.65× its usual turnover
$10.29B against a 20-day average of $3.05B, on a falling price (-10.22%). Turnover against a 20-day average of 1.88%. The -10.22% move is 2.6 standard deviations from its usual daily change. Turnover 6.87% of market cap, a top-1% session for the companies we track in the US worth $50–200B.
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Volume by window
| Dollar volume | vs prior 20 sessions | |
|---|---|---|
| Last session | $4.7B | 1.3× |
| Week | For members · Sign in | |
| Month | ||
Sessions to 23 Oct.
Infinity sector: AI Memory & StorageBased on 249 companies, 79.2% of the S&P 500's trading.
Price and dollar volume
Bars coloured by directionThe last three months, one point a week (the week's last close and its total dollar volume).
How these are measured
- Turnover
- — dollar volume over market cap; how hard this name is traded relative to its size.
- Vs prior 20 sessions
- — above 1 means heavier trading than in the 20 sessions before it.
- Share of market volume
- — of the 250 names tracked in United States, not the whole market.
- Volatility
- — from daily returns over the held history. Indicative, not a risk model.
- Market cap
- — the latest session's close × shares outstanding, in USD. Each day in the history has its own, from that day's close; the share count is refreshed monthly.
This section is part of the full page.
This section is part of the full page.
Prices and volume via the daily pipeline, converted to USD.