Samsung Electro-Mechanics

009150.KS · South Korea

Samsung Electro-Mechanics traded $644.7M (converted to USD) on 23 Oct 2026, 0.9× its 20-session average. Sector: Electronic Components.

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

Last close

$847.14

23 Oct

1-day change

-2.0%

vs previous close

Market cap

$62.4B

as of 23 Oct

Turnover

1.0%

of market cap traded

Dollar volume

$644.7M

as of 23 Oct

vs prior 20 sessions

0.9×

as of 23 Oct

Share of market volume

5.8%

as of 23 Oct

Volatility

73.8%

annualised

Infinity volume insights

since 25 March 2025

Every session our rules flagged for this company since 25 March 2025: 29. 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 13 October 2026; findings before then are marked “Before we tracked it”: it traded that way, and we were not yet watching.

2026-05-29Before we tracked it
Samsung Electro-Mechanics had its heaviest session in the 406 sessions on record
Above the previous high of $3.1B. $4.2B against a 20-day average of $964.4M, on a rising price (+14.8%). The +14.8% move is 3.8 standard deviations from its usual daily change. Dollar volume 4.3× normal.

The latest is shown; the other 28 open with the full page.

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Volume by window

	Dollar volume	vs prior 20 sessions
Last session	$645M	0.9×
Week	For members · Sign in
Month

Sessions to 23 Oct.

Infinity sector: Electronic Components · Fewer than three companies in this sector here

Price and dollar volume

Bars coloured by direction

The 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 58 names tracked in South Korea, 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.

Prices and volume via the daily pipeline, converted to USD. USD values converted at ECB reference rates.

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