Iron Boulder ex #99 PSA 10: price & population
PSA 10
$19.34
Raw
$0.78
PSA 10 pop
40
Gem rate
45.5%
A PSA 10 Iron Boulder ex #99 from Temporal Forces sells for $19.34 — a 2,379% premium over the $0.78 raw price. PSA has graded this card 88 times; 40 came back a 10 (45.5% gem rate), and 41 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $6.17. The jump from 9 to 10 is worth $13.17 — 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.
