Illumina

ILMN · United States

Illumina traded $340.2M on 23 Oct 2026, 0.5× its 20-session average. Sector: Medtech, Tools & Health Services.

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

Last close
$269.42
23 Oct
1-day change
+0.01%
vs previous close
Market cap
$40.7B
as of 23 Oct
Turnover
0.84%
of market cap traded
Dollar volume
$340.2M
as of 23 Oct
vs prior 20 sessions
0.5×
as of 23 Oct
Share of market volume
0.09%
as of 23 Oct
Volatility
46.7%
annualised

Infinity volume insights

since 14 April 2025

Every session our rules flagged for this company since 14 April 2025: 10. 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. 2026-09-18Before we tracked it

    Illumina turned over 21.6% of its market cap, 7.3 times its own mark for the past year

    Its mark is 2.9%: its heaviest 1% of sessions over the previous 250. It is judged against its own year because its usual session (1.1%) is under a tenth of the mark for the companies we track in the US worth $25–200B (15.3%). $7.8B against a 20-day average of $472.3M, on a falling price (-2.3%). Its heaviest session in the 479 sessions on record. Dollar volume 16.5× normal; turnover 21.6% of market cap (15.1× its usual turnover).

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

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