Stock listing

LSE:CNS Corero Network Security plc Share Price

Home listing (LSE) of Corero Network Security plc

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Share price · LSE:CNS

15.25p GBX (pence) 0.00 (0.0%)

Close on Oct 30, 2026

Past year +74.3% · daily closes, Oct 30, 2025 – Oct 30, 2026, adjusted for splits
Day range
15.00p – 15.50p GBX (pence)Oct 30, 2026
Volume
3.01M sharesOct 30, 2026
Market cap
£78.11M GBPAt the close on Oct 30, 2026 · price × 512.2M shares outstanding
52-week range
6.50p – 17.50p GBX (pence)Lowest and highest trades, Oct 31, 2025 – Oct 30, 2026
Traded on an average day
£127,242 GBPMedian day 563,175 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Corero Network Security plc logo

Prices by listing

ListingLastChangeVolumeOpenHighLowPrevious closePrice from
LSE:CNS · Home15.25p GBX (pence)0.00 (0.0%)3,006,85415.25p15.50p15.00p15.25pClose on Oct 30, 2026
Frankfurt:NYA1€0.163 EUR+0.004 (+2.5%)—€0.163€0.163€0.163€0.159Close on Oct 30, 2026

Daily closes

Last 3 months, Jul 30, 2026 – Oct 30, 2026 · LSE:CNS · GBX (pence), adjusted for splits

DayCloseChange%OpenHighLowVolume
15.25p0.000.0%15.25p15.50p15.00p3,006,854
15.25p0.000.0%15.25p15.50p15.00p166,351
15.25p0.000.0%15.25p15.50p15.00p577,674
15.25p+0.25+1.7%15.00p15.75p14.65p1,648,818
15.00p0.000.0%15.00p15.50p15.00p402,677
15.00p0.000.0%15.00p15.50p14.66p382,669
15.00p-0.25-1.6%15.25p15.50p14.50p2,097,594
15.25p-0.75-4.7%15.75p16.00p15.00p631,435
16.00p-0.75-4.5%16.75p17.50p15.75p1,181,737
16.75p+1.50+9.8%15.25p17.00p15.00p1,710,025
15.25p+0.375+2.5%14.88p15.50p14.50p607,745
14.88p+0.625+4.4%14.25p15.50p14.00p2,299,468
14.25p+2.25+18.8%12.50p14.70p12.00p3,922,257
12.00p+0.50+4.3%11.50p12.50p11.00p1,317,349
11.50p0.000.0%11.50p12.00p11.00p875,320
11.50p+0.25+2.2%11.25p12.00p11.00p719,542
11.25p+0.25+2.3%11.00p11.50p10.75p376,844
11.00p-0.50-4.3%11.50p12.00p10.75p474,093
11.50p0.000.0%11.50p12.00p11.00p305,125
11.50p0.000.0%11.50p12.00p11.17p67,163
11.50p+0.75+7.0%10.75p11.85p10.00p1,383,809
10.75p-0.50-4.4%11.25p11.50p10.50p276,975
11.25p-0.375-3.2%11.63p12.00p11.00p595,676
11.63p0.000.0%11.63p12.00p11.25p283,322
11.63p-0.875-7.0%12.50p13.00p11.00p959,366
12.50p0.000.0%12.50p13.00p12.00p130,638
12.50p-0.05-0.4%12.55p13.00p12.00p125,991
12.55p-0.20-1.6%12.75p13.00p12.11p463,027
12.75p-0.125-1.0%12.88p13.50p12.46p863,153
12.88p+0.325+2.6%12.55p13.25p12.25p714,765
12.55p-0.45-3.5%13.00p13.50p12.11p938,779
13.00p+1.00+8.3%12.00p13.50p11.50p353,691
12.00p-0.875-6.8%12.88p13.25p11.50p574,095
12.88p+0.375+3.0%12.50p13.50p12.00p4,654,575
12.50p+0.875+7.5%11.63p13.00p11.50p2,321,794
11.63p+1.375+13.4%10.25p12.00p10.00p1,796,356
10.25p0.000.0%10.25p10.50p9.50p1,511,190
10.25p+1.75+20.6%9.25p10.90p8.50p5,695,399
8.50p+0.25+3.0%8.25p9.00p8.00p1,076,976
8.25p0.000.0%8.25p8.50p8.00p415,877
8.25p0.000.0%8.25p8.50p8.00p222,639
8.25p+0.25+3.1%8.00p8.50p7.50p957,850
8.00p+0.75+10.3%7.75p8.50p7.50p2,273,534
7.25p0.000.0%7.25p7.50p7.00p165,376
7.25p0.000.0%7.25p7.50p7.00p46,709
7.25p0.000.0%7.25p7.50p7.10p224,241
7.25p0.000.0%7.25p7.50p7.22p281,454
7.25p0.000.0%7.25p7.50p7.25p35,101
7.25p0.000.0%7.25p7.495p7.25p112,811
7.25p0.000.0%7.25p7.50p7.00p348,875
7.25p0.000.0%7.25p7.50p7.00p307,783
7.25p0.000.0%7.25p7.50p7.00p195,605
7.25p0.000.0%7.25p7.50p7.00p116,768
7.25p-0.35-4.6%7.60p8.00p7.00p1,763,451
7.60p+1.00+15.2%6.75p7.70p6.50p5,328,102
6.60p-1.40-17.5%8.00p8.50p6.50p12,224,826
8.00p-0.25-3.0%8.25p8.50p7.60p552,254
8.25p-0.50-5.7%8.75p9.00p8.00p695,174
8.75p0.000.0%8.75p9.00p8.75p70,257
8.75p0.000.0%8.75p9.00p8.50p399,223
8.75p+0.50+6.1%9.25p10.40p8.00p3,011,619
8.25p0.000.0%8.25p8.50p8.00p333,964
8.25p0.000.0%8.25p8.44p8.10p100,811
8.25p0.000.0%8.25p8.50p8.215p31,403
8.25p-0.25-2.9%8.50p9.00p8.06p146,735
8.50p0.000.0%8.50p9.00p8.38p11,334
Ticker
LSE:CNS
Asset type
Stock
Sector
Technology
Industry
Software
Exchange
LSE
Currency
GBX

What changed lately

Calls

Replays

  • Corero Network Security (LSE:CNS) — Half Year Results for the six months ended 30 June 2026

    Wed, Sep 09, 2026 · 7:00 AM ET

    Watch Transcript

  • Corero Network Security (LSE:CNS) — FY 2025 Results

    Tue, Mar 24, 2026 · 8:00 AM ET

    Watch Transcript

  • Corero Network Security (LSE:CNS) — Interim Results

    Wed, Sep 17, 2025 · 7:00 AM ET

    Watch Transcript

Latest news

Director/PDMR Shareholding

Oct 26, 2026

Closed 15.00p (0.0%) on Oct 26, 2026

Q3 2026 Commercial Update

Oct 14, 2026

Closed 14.25p (+18.8%) on Oct 14, 2026

Cairn Homes Plc: Transaction in Own Shares

Sep 29, 2026

Closed 11.63p (0.0%) on Sep 29, 2026

Corero Network Security Named Best in Channel-First Cybersecurity Distribution at CybersecAsia Readers' Choice Awards 2026

Sep 15, 2026

Closed 12.88p (+3.0%) on Sep 15, 2026

Unaudited H1 2026 Interim Results

Sep 9, 2026

Closed 10.25p (+20.6%) on Sep 9, 2026

AI-Augmented Cloud-Assist for SmartWall ONE™

Aug 21, 2026

Closed 7.25p (0.0%) on Aug 21, 2026

Key Customer Contract Extension

Jun 18, 2026

Closed 10.75p (+2.4%) on Jun 18, 2026

Posting of 2025 Accounts & Notice of 2026 AGM

Jun 1, 2026

Closed 10.75p (0.0%) on Jun 1, 2026

Corero Network Security Celebrates Michelle Ragusa-McBain Named to 2026 CRN Women of the Channel Power 100

May 5, 2026

Closed 12.25p (-2.0%) on May 5, 2026

Upcoming Investor Conference

Apr 8, 2026

Closed 13.20p (+10.0%) on Apr 8, 2026

All Corero Network Security plc news

Decks

Corero Network Security plc on 6ix

Sector
Technology
Industry
Software
News releases
28 in the last 12 months · 327 in all · newest Oct 26, 2026 · oldest 1999
Calls
9 calls with a replay · 9 with a transcript · latest Sep 9, 2026
Decks
8 decks · latest October 2026

Where Corero Network Security plc is listed

ListingExchangeCountryCurrency
LSE:CNS · Home listing · This pageLSEUnited KingdomGBX
OTC:DDOSFOTCUnited StatesUSD
LS Exchange:A0RPMULS ExchangeGermanyEUR
Lang & Schwarz:A0RPMULang & SchwarzGermanyEUR
Frankfurt:NYA1FrankfurtGermanyEUR
Stuttgart:NYA1StuttgartGermanyEUR

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