![Misty's Psyduck [1st Edition] #90 from Pokemon Gym Challenge](https://images.pokemontcg.io/gym2/90.png)
Misty's Psyduck [1st Edition] #90 PSA 10: price & population
PSA 10
$779.00
Raw
$29.96
PSA 10 pop
295
Gem rate
28.8%
A PSA 10 Misty's Psyduck [1st Edition] #90 from Gym Challenge sells for $779.00 — a 2,500% premium over the $29.96 raw price. PSA has graded this card 1,025 times; 295 came back a 10 (28.8% gem rate), and 425 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $107.07. The jump from 9 to 10 is worth $671.93 — 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.
