Koga's Arbok #25 PSA 10: price & population
PSA 10
$45.46
Raw
$8.45
PSA 10 pop
26
Gem rate
25.5%
A PSA 10 Koga's Arbok #25 from Gym Challenge sells for $45.46 — a 438% premium over the $8.45 raw price. PSA has graded this card 102 times; 26 came back a 10 (25.5% gem rate), and 41 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $22.08. The jump from 9 to 10 is worth $23.38 — that spread, times your real odds of the 10, is what decides whether grading pays.
Prices from real completed sales, updated daily. Population data from PSA's public population report.