BOO^
Z Blood Systems
also listed as Leeches
“The liquid of life...”
running JZBE — the body Grade A listed publicly
on the Big Board blue chip
€ 26.40
€ -4.48 · -14.51%
AS OF 3 Aug 2026
1 days ago
1 days ago
+61.1%
Since it was first valued
22 Feb 2008 — € 16.39
22 Feb 2008 — € 16.39
€ 267.88
Its highest ever
8 Sep 2016
8 Sep 2016
€ 5.50
Its lowest ever
3 Nov 2025
3 Nov 2025
-90.1%
Where it trades against its own best
505
Times it has been valued
across 18.4 years
across 18.4 years
1
Notes written about it
100/100
How central it is to a life
What this value is
The prospectus, as it was filed.
The liquid of life
Risk
Leeches
what threatens it
Bond yield
oxygen
what it yields
Shares
35 / 110
still available of the total issued
Public book
417
prices visitors can see on the board
Every price it has ever held
The full book, from its first valuation to its last. Gold dots mark the moments a note was written — hover one to read it.
The chronicle
1 notes pinned to this value, newest first, each shown against the move it witnessed.
antibiotics
Records & rhythm
How this value behaves when it moves.
| Biggest single rise | +82.5% | 2 Dec 2025 |
|---|---|---|
| Biggest single fall | -86.6% | 3 Jan 2022 |
| Typical move | 5.33% | either way |
| Longest climb | 10 | valuations in a row |
| Longest slide | 10 | valuations in a row |
| Repriced about every | 13 | days |
| Most written about in | 2024 | 1 notes |
Year by year, against the previous year’s close.
Best: 2026 +163%
·
Worst: 2024 -72%
Where it stands on the exchange
Measured against every other value ever listed here.
Lifetime performance — +61%
109 of 323
Importance to the life — 100/100
1 of 318
Attention it has drawn — 1 notes
222 of 255
Months it has traded — 211
158 of 323
It trades in the middle of the life: neither a triumph nor a write-off.
The running sector
30 values share this sector. Their latest prints, most important first.
It made the wire
Dispatches from ZExchanges that named this value.
SLP^ Plummets 18.4% as Heat‑Scratched Sleep Cripples Sleeper Corp
In a scorching session, SLP^ nosedived 18.4% after Jason reported heat‑induced insomnia. The sleep‑deprivation shock hit the Sleeper Corp balance sheet hard, slashing overnight volume and widening the bid‑ask spread. Market makers cite a new low‑level support at 12.3, but resistance at 15.0 looks firm. BOO^ managed a 2.7% rally on shoulder‑pain‑driven blood flow, while ZDP^ rose 3.2% on low‑mood demand. Traders brace for a potential earnings downgrade as fatigue erodes productivity across the personal‑wellness sector.
12 Jul 2026 · SLP^,BOO^,ZDP^
RUN^ Slides 2.3% as Fatigue Saps Momentum, BJJ Deficit Looms
Sunday’s open‑close saw RUN^ tumble 2.3% on the back of Jason’s fatigue pivot from BJJ to a makeshift jog. Analysts flag a short‑term resistance at 48.5, with liquidity drying up as the runner’s high wanes. Sector rotation into BOO^ sparked a modest 2.7% uptick, but the overall health index remains bearish. Earnings outlook for the “Run” segment stays muted pending recovery of shoulder health. Traders watch the upcoming “Rest‑or‑Run” conference for any catalyst that could break the current downtrend.
12 Jul 2026 · RUN^,BOO^