Tier VERY_UNSTABLE
Legendary
Demand · Low
Reliable
Blackvalk BLV
Blackvalk — Legendary rarity item in Grand Piece Online.
What Blackvalk’s value means
At 480K value units, Blackvalk trades for about 48.0× a Mythical Fruit Chest — the 10,000-unit reference item the whole value chart is pegged to.
That figure is a low-confidence read: the solver places the true value between 384K and 576K (a ±20% band) off 126 observed Discord trades.
Over the last week the value has been holding roughly flat versus its 30-day average (+0.0%).
Demand is currently rated Low and rarity is Legendary, both recomputed every solver run.
Price history · 55 days
Per-day median across observed trades. Last point is today's solver run.
+761.0% / 55d
54d ago40d27d13dtoday
Recent Blackvalk trades
The exact offers our pipeline parsed from Discord — no edits, no opinions.
- Blackvalk→Iceborn Candy Caneseen 20×
- Blackvalk→Prestige Fruitbagseen 10×
- All Seeing Holly + Candy Cane→Blackvalkseen 7×
Most common trade shapes observed for Blackvalk, from 52 solo-trade samples.
Trade recommendations
Auto-built from the value-matches graph. Verdicts use the same Win/Fair/Lose math as the calculator.
Blackvalk for Chromatic All Seeing Eye (453K)
Blackvalk's value tops Chromatic All Seeing Eye — clean win on paper.
+5.7% in your favor
Related item values
Browse all GPO values →FAQ
How much is Blackvalk worth in GPO?
Blackvalk's current trading value is approximately 480K (range 384K–576K), based on 126 observed Discord trades over the last solver run. Updated 2026-07-27.
Is Blackvalk's value rising or falling?
Right now it's roughly flat: the 7-day value is +0.0% against its 30-day average, so no strong move either way.
How is Blackvalk’s value calculated?
Blackvalk's value is derived purely from observed Discord trade messages using a ratio-chain solver against the Mythical Fruit Chest anchor (10,000 value units). No editor opinions, no hand-tuned numbers. See /legal/methodology for the full math.
Why is the value a range, not one number?
The range is a 90% confidence band. The single headline number is the median; the band shows where the solver thinks the true value lives given noise.
Is Blackvalk's demand Low forever?
No. Demand is recomputed every solver run from the offered:wanted ratio in trade messages. Blackvalk's current ratio is 0.4 (36 wanted vs 90 offered) — that's why demand is Low right now.