Blackvalk for All Seeing Ba'al (106K)
Inside the confidence band — fair on paper.
-3.1% delta
Tier VERY_UNSTABLE
Legendary
Demand · High
Reliable
Blackvalk BLV
Blackvalk — Legendary rarity item in Grand Piece Online.
Price history · 46 days
Per-day median across observed trades. Last point is today's solver run.
+142.0% / 46d
45d ago33d22d11dtoday
Trade recommendations
Auto-built from the value-matches graph. Verdicts use the same Win/Fair/Lose math as the calculator.
Blackvalk for Yukio The Bunny (94K)
Blackvalk's value tops Yukio The Bunny — clean win on paper.
+8.6% in your favor
Related items
Browse all →FAQ
What is Blackvalk worth in GPO?
Blackvalk's current trading value is approximately 102K (range 87K–118K), based on 727 observed Discord trades over the last solver run. Updated 2026-06-02.
How is the value calculated?
Values are derived from observed Discord trade messages using a ratio-chain solver against the anchor item. 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 High forever?
No. Demand is recomputed every solver run from the offered:wanted ratio in trade messages. Blackvalk's current ratio is 1.74 (462 wanted vs 265 offered) — that's why demand is High right now.