![Porygon [Reverse] #137 from Pokemon Japanese Scarlet & Violet 151](https://pokeinvest-japanese-card-images.nyc3.cdn.digitaloceanspaces.com/Scarlet_Violet_151/353_Porygon_Reverse_137.jpg)
Porygon [Reverse] #137 PSA 10: price & population
PSA 10
$21.50
Raw
$2.37
PSA 10 pop
10
Gem rate
34.5%
A PSA 10 Porygon [Reverse] #137 from Japanese Scarlet & Violet 151 sells for $21.50 — a 807% premium over the $2.37 raw price. PSA has graded this card 29 times; 10 came back a 10 (34.5% gem rate), and 18 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $14.35. The jump from 9 to 10 is worth $7.15 — 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.
