Market Overview
For Arceus in XY Black Star Promos, the current reference price is $12.71. Week-over-week change is limited (0.0%), indicating short-term stability.
Current value is elevated versus the 30-day mean ($12.45), by 2.1%. In the past 90 days, observed prices ranged from $11.69 to $12.76 (8% spread), a low-volatility profile.
Rarity classification for this copy is Promo.










