![Magikarp [Reverse Holo] #21 from Pokemon Go](https://images.pokemontcg.io/pgo/21.png)
Magikarp [Reverse Holo] #21 PSA 10: price & population
PSA 10
$499.99
Raw
$0.95
PSA 10 pop
4
Gem rate
7.7%
A PSA 10 Magikarp [Reverse Holo] #21 from Go sells for $499.99 — a 52,531% premium over the $0.95 raw price. PSA has graded this card 52 times; 4 came back a 10 (7.7% gem rate), and 24 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $38.00. The jump from 9 to 10 is worth $461.99 — 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.
