Porygon #137 PSA 10: price & population
PSA 10
$538.42
Raw
$3.94
PSA 10 pop
83
Gem rate
25.2%
A PSA 10 Porygon #137 from Japanese Expansion Pack sells for $538.42 — a 13,565% premium over the $3.94 raw price. PSA has graded this card 330 times; 83 came back a 10 (25.2% gem rate), and 163 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $61.00. The jump from 9 to 10 is worth $477.42 — 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.
