Iron Boulder ex #99 PSA 10: price & population
PSA 10
$19.99
Raw
$0.73
PSA 10 pop
41
Gem rate
45.6%
A PSA 10 Iron Boulder ex #99 from Temporal Forces sells for $19.99 — a 2,638% premium over the $0.73 raw price. PSA has graded this card 90 times; 41 came back a 10 (45.6% gem rate), and 42 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $6.43. The jump from 9 to 10 is worth $13.56 — 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.
