Mega Greninja ex #100 from Chaos Rising is a holo ultra_rare card that currently sells for about $9.70 ungraded, with graded copies ranging from $36.62 at grade 9 to $84.99 at grade 10. TCGrader's AI has graded 10 copies of Mega Greninja ex (Chaos Rising), averaging 8.2 overall. 30% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $84.99, about 8.8× the $9.70 raw price, so high-grade copies are worth grading.