Boost Shake #229 PSA 10: price & population
PSA 10
$39.50
Raw
$2.49
PSA 10 pop
90
Gem rate
48.6%
A PSA 10 Boost Shake #229 from Evolving Skies sells for $39.50 — a 1,486% premium over the $2.49 raw price. PSA has graded this card 185 times; 90 came back a 10 (48.6% gem rate), and 69 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $14.00. The jump from 9 to 10 is worth $25.50 — 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.
