Oct 30: 1 Strong Theme — Cybersecurity

October 30, 2026 · #Cybersecurity

1 strong theme — 1 recurred. Top: Cybersecurity +11.3%.

Strong themes1 Top change+11.3% LeaderSGA Solutions

Average change by strong theme

Average change of member stocks, by theme · descending

Cybersecurity

+11.3%

Theme leaders · recent trend

The line is the trend; the end-point colour is the last trading day's direction. Stocks without enough price history show as -

Theme	Leader	Change	Trend
Cybersecurity	SGA Solutions	+29.98%

Cybersecurity was the strong theme of the Oct 30 session. All 10 of its 10 stocks closed higher, for an average change of 11.26%.

SGA Solutions led the group, jumping 29.98% to close at 2575. Ahnlab followed with a 17.98% gain, and RaonSecure added 16.82%.

Volume was heaviest in RaonSecure at 7638239 shares, ahead of Genians at 3620617. The theme returned after a gap of 2 days.

Today’s Strong Themes at a Glance

#	Theme	Status	Avg. change	Up/Total	Leader
1	Cybersecurity	recurred after 2 days	+11.3%	10/10	SGA Solutions

Theme by Theme

1. Cybersecurity (recurred after 2 days)

Episode: started 2026-10-30, day 1

Stock	Change	Close	Leader
SGA Solutions `184230`	+30.0%	2,575	★
Ahnlab `053800`	+18.0%	118,100
RaonSecure `042510`	+16.8%	19,450
Fasoo AI `150900`	+11.2%	4,600
Genians `263860`	+11.0%	27,750
Initech `053350`	+8.6%	5,960
Ictk `456010`	+5.7%	19,990
Aton `158430`	+4.4%	5,270
Monitorapp `434480`	+4.4%	3,110
Hunesion `290270`	+2.6%	2,380

Closing Thoughts

The next sessions will show whether Cybersecurity extends this 1-day run. Breadth is one gauge to track, since all 10 members rose on Oct 30.

The smallest gains came from Monitorapp and Aton at 4.36% and Hunesion at 2.59%. Whether the gap between the leader and the rest of the theme narrows or widens is the next detail to follow.