Stock listing

LSE:OPTI OptiBiotix Health PLC Share Price

Home listing (LSE) of OptiBiotix Health PLC

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Share price · LSE:OPTI

5.80p GBX (pence) 0.00 (0.0%)

Close on Nov 2, 2026

Past year -27.5% · daily closes, Nov 3, 2025 – Nov 2, 2026, adjusted for splits

Day range: 5.71p – 5.80p GBX (pence)Nov 2, 2026
Volume: 35,732 sharesNov 2, 2026
Market cap: £5.99M GBPAt the close on Nov 2, 2026 · price × 103.3M shares outstanding
52-week range: 4.50p – 9.00p GBX (pence)Lowest and highest trades, Nov 3, 2025 – Nov 2, 2026
Traded on an average day: £9,870 GBPMedian day 71,960 shares · 1 day with no trades · last 3 months, Aug 3, 2026 – Nov 2, 2026

Prices by listing

Listing	Last	Change	Volume	Open	High	Low	Previous close	Price from
LSE:OPTI · Home	5.80p GBX (pence)	0.00 (0.0%)	35,732	5.80p	5.80p	5.71p	5.80p	Close on Nov 2, 2026
Frankfurt:OB3	€0.065 EUR	0.000 (0.0%)	—	€0.065	€0.065	€0.065	€0.065	Close on Oct 27, 2026

Daily closes

Last 3 months, Aug 3, 2026 – Nov 2, 2026 · LSE:OPTI · GBX (pence), adjusted for splits

Day	Close	Change	%	Open	High	Low	Volume
Mon, Nov 2	5.80p	0.00	0.0%	5.80p	5.80p	5.71p	35,732
Fri, Oct 30	5.80p	0.00	0.0%	5.80p	5.80p	5.70p	12,725
Thu, Oct 29	5.80p	+0.15	+2.7%	5.75p	5.80p	5.747p	130,000
Wed, Oct 28	5.65p	0.00	0.0%	5.65p	5.65p	5.515p	10,221
Tue, Oct 27	5.65p	0.00	0.0%	5.65p	5.80p	5.50p	62,846
Mon, Oct 26	5.65p	0.00	0.0%	5.65p	5.65p	5.58p	752
Fri, Oct 23	5.65p	0.00	0.0%	5.65p	5.77p	5.515p	9,776
Thu, Oct 22	5.65p	0.00	0.0%	5.65p	5.80p	5.65p	232
Wed, Oct 21	5.65p	0.00	0.0%	5.65p	5.77p	5.515p	9,776
Tue, Oct 20	5.65p	0.00	0.0%	5.65p	5.65p	5.65p	0
Mon, Oct 19	5.65p	0.00	0.0%	5.65p	5.80p	5.50p	79,103
Fri, Oct 16	5.65p	0.00	0.0%	5.65p	5.80p	5.58p	12,200
Thu, Oct 15	5.65p	0.00	0.0%	5.65p	5.80p	5.50p	3,115
Wed, Oct 14	5.65p	0.00	0.0%	5.65p	5.80p	5.575p	9,883
Tue, Oct 13	5.65p	-0.25	-4.2%	5.90p	6.00p	5.575p	356,261
Mon, Oct 12	5.90p	0.00	0.0%	5.90p	6.00p	5.85p	149,028
Fri, Oct 9	5.90p	0.00	0.0%	5.90p	6.00p	5.80p	15,403
Thu, Oct 8	5.90p	0.00	0.0%	5.90p	6.00p	5.80p	193,493
Wed, Oct 7	5.90p	0.00	0.0%	5.90p	6.00p	5.85p	25,167
Tue, Oct 6	5.90p	0.00	0.0%	5.90p	5.90p	5.85p	1,500
Mon, Oct 5	5.90p	+0.05	+0.9%	5.85p	6.00p	5.80p	75,454
Fri, Oct 2	5.85p	0.00	0.0%	5.85p	5.90p	5.825p	70,807
Thu, Oct 1	5.85p	0.00	0.0%	5.85p	5.85p	5.80p	47,202
Wed, Sep 30	5.85p	0.00	0.0%	5.85p	5.85p	5.80p	18,517
Tue, Sep 29	5.85p	0.00	0.0%	5.85p	5.90p	5.827p	24,004
Mon, Sep 28	5.85p	0.00	0.0%	5.85p	5.90p	5.825p	109,198
Fri, Sep 25	5.85p	0.00	0.0%	5.85p	5.90p	5.825p	31,503
Thu, Sep 24	5.85p	0.00	0.0%	5.85p	5.90p	5.80p	71,960
Wed, Sep 23	5.85p	-0.10	-1.7%	5.95p	5.95p	5.80p	92,233
Tue, Sep 22	5.95p	0.00	0.0%	5.95p	5.95p	5.90p	26,040
Mon, Sep 21	5.95p	0.00	0.0%	5.95p	6.00p	5.95p	136,660
Fri, Sep 18	5.95p	0.00	0.0%	5.95p	6.00p	5.95p	390,628
Thu, Sep 17	5.95p	-0.65	-9.8%	6.46p	6.46p	5.90p	1,619,421
Wed, Sep 16	6.60p	+0.15	+2.3%	6.45p	6.80p	6.42p	265,316
Tue, Sep 15	6.45p	+0.10	+1.6%	6.50p	6.70p	6.40p	612,787
Mon, Sep 14	6.35p	0.00	0.0%	6.35p	6.50p	6.20p	118,717
Fri, Sep 11	6.35p	-0.45	-6.6%	6.50p	6.50p	6.05p	550,421
Thu, Sep 10	6.80p	+0.85	+14.3%	5.95p	6.80p	5.92p	862,073
Wed, Sep 9	5.95p	+0.20	+3.5%	5.75p	6.20p	5.50p	293,869
Tue, Sep 8	5.75p	0.00	0.0%	5.75p	6.00p	5.70p	606,724
Mon, Sep 7	5.75p	0.00	0.0%	5.75p	5.75p	5.525p	164,860
Fri, Sep 4	5.75p	0.00	0.0%	5.75p	6.00p	5.52p	299,596
Thu, Sep 3	5.75p	0.00	0.0%	5.75p	6.00p	5.75p	17,281
Wed, Sep 2	5.75p	+0.10	+1.8%	5.65p	6.00p	5.50p	427,027
Tue, Sep 1	5.65p	0.00	0.0%	5.65p	5.65p	5.555p	30,908
Fri, Aug 28	5.65p	0.00	0.0%	5.65p	5.80p	5.50p	102,128
Thu, Aug 27	5.65p	0.00	0.0%	5.65p	5.80p	5.65p	35,258
Wed, Aug 26	5.65p	0.00	0.0%	5.65p	5.669p	5.52p	59,060
Tue, Aug 25	5.65p	0.00	0.0%	5.65p	5.669p	5.65p	1,215
Mon, Aug 24	5.65p	0.00	0.0%	5.65p	5.80p	5.505p	96,069
Fri, Aug 21	5.65p	0.00	0.0%	5.65p	5.65p	5.50p	95,795
Thu, Aug 20	5.65p	0.00	0.0%	5.65p	5.80p	5.50p	272,643
Wed, Aug 19	5.65p	0.00	0.0%	5.65p	5.65p	5.50p	59,485
Tue, Aug 18	5.65p	0.00	0.0%	5.65p	5.77p	5.65p	24,995
Mon, Aug 17	5.65p	-0.10	-1.7%	5.65p	5.65p	5.50p	569,376
Fri, Aug 14	5.75p	0.00	0.0%	5.75p	6.00p	5.60p	72,968
Thu, Aug 13	5.75p	0.00	0.0%	5.75p	6.00p	5.50p	64,846
Wed, Aug 12	5.75p	0.00	0.0%	5.75p	5.97p	5.62p	64,528
Tue, Aug 11	5.75p	+0.15	+2.7%	5.60p	6.00p	5.60p	591,680
Mon, Aug 10	5.60p	-0.15	-2.6%	5.70p	5.70p	5.50p	83,332
Fri, Aug 7	5.75p	0.00	0.0%	5.75p	6.00p	5.50p	82,076
Thu, Aug 6	5.75p	0.00	0.0%	5.75p	6.00p	5.50p	11,130
Wed, Aug 5	5.75p	0.00	0.0%	5.75p	5.778p	5.50p	45,824
Tue, Aug 4	5.75p	0.00	0.0%	5.75p	6.00p	5.50p	202,743
Mon, Aug 3	5.75p	0.00	0.0%	5.75p	6.00p	5.50p	128,541

Ticker: LSE:OPTI
Asset type: Stock
Exchange: LSE
Currency: GBX

What changed lately

Latest news release · Oct 29, 2026
Release of Video Updates on Investor Hub

Calls

Replays

Optibiotix Health (LSE:OPTI) — Full year results briefing
Thu, Jul 03, 2025 · 9:00 AM ET
Watch Transcript
Optibiotix Health (LSE:OPTI) — Commercial update
Mon, May 20, 2024 · 9:00 AM ET
Watch Transcript
Optibiotix Health (LSE:OPTI) — Investor update
Wed, May 24, 2023 · 9:00 AM ET
Watch Transcript

Latest news

Release of Video Updates on Investor Hub

Oct 29, 2026

Closed 5.80p (+2.7%) on Oct 29, 2026

Half-year Financial Report

Sep 17, 2026

Closed 5.95p (-9.8%) on Sep 17, 2026

OptiBiotix Ltd Directorate Changes

Sep 15, 2026

Closed 6.45p (+1.6%) on Sep 15, 2026

SweetBiotix® Update

Sep 8, 2026

Closed 5.75p (0.0%) on Sep 8, 2026

H&B launches FORMI™ Product containing SlimBiome®

Sep 2, 2026

Closed 5.75p (+1.8%) on Sep 2, 2026

Investor presentation and Q&A

Jun 26, 2026

Closed 6.35p (0.0%) on Jun 26, 2026

Investor presentation and SweetBiotix® Sampling

Jun 2, 2026

Closed 6.25p (0.0%) on Jun 2, 2026

Final Results & Notice of AGM

May 28, 2026

Closed 6.10p (+6.1%) on May 28, 2026

SweetBiotix® Sampling

May 14, 2026

Closed 5.70p (+14.0%) on May 14, 2026

Partial Disposal of Shares in SkinBioTherapeutics

May 1, 2026

Closed 5.10p (+4.1%) on May 1, 2026

All OptiBiotix Health PLC news

OptiBiotix Health PLC on 6ix

News releases: 17 in the last 12 months · 331 in all · newest Oct 29, 2026 · oldest 2011
Calls: 7 calls with a replay · 7 with a transcript · latest Jul 3, 2025

Where OptiBiotix Health PLC is listed

Listing	Exchange	Country	Currency
LSE:OPTI · Home listing · This page	LSE	United Kingdom	GBX
Lang & Schwarz:A118S6	Lang & Schwarz	Germany	EUR
LS Exchange:A118S6	LS Exchange	Germany	EUR
AQUIS:OPTI.GB	AQUIS	United Kingdom	GBX
Frankfurt:OB3	Frankfurt	Germany	EUR
OTC:OPTBF	OTC	United States	USD
Stuttgart:OB3	Stuttgart	Germany	EUR