SV: Prismatic Evolutions Terapagos ex #92: PSA 9 vs PSA 10

On SV: Prismatic Evolutions Terapagos ex #92, the PSA 10 premium is a meaningful PSA 10 premium: PSA 10 sells for 2.3x a PSA 9, a $19 delta. Based on a recent PSA 10 sale of $33.00 on May 24, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

PSA 10

$33.99

Last sale $33.00 on May 24, 2026 UTC

PSA 9

$14.49

Last sale $17.50 on May 25, 2026 UTC

PSA 8

$9.75

Last sale $12.00 on Apr 1, 2026 UTC

The Spread

The PSA 9 to PSA 10 spread on Terapagos ex #92 SV: Prismatic Evolutions.

$19

Dollar gap, PSA 9 to PSA 10

2.3x

PSA 10 sells for 2.3x a PSA 9

Three-Outcome EV Calculator

PSA 9 acquisition cost ($)

PSA resub cost ($)

Probability of each outcome (must total 100%)

PSA 10 (upgrade) 15%

PSA 9 (regrade) 70%

PSA 8 (downgrade) 15%

Defaults are conservative starting points. Adjust based on the specific slab. A borderline 9 with strong centering plays differently than a 9 with edge wear.

PSA 10 outcome (sale price minus resub minus acquisition) $0

PSA 9 outcome (regrade, no upgrade) $0

PSA 8 outcome (downgrade, slower sell, tied capital) $0

Expected Value

Math favors holding the 9

SV: Prismatic Evolutions #92 Terapagos ex released in 2025 sits in the vintage WOTC tier where gem-mint premiums above $19 are common. PSA 10 populations shrink faster than supply on cards of this era, which is why the upgrade arbitrage stays alive.

More Terapagos Comparisons

Other SV: Prismatic Evolutions Heavy Hitters

Track every grade tier. Spot every gap.

Real PSA prices across every grade tier. Founding member rate $3.99/mo locked forever. First 100 only.

Claim founding member rate

First 100 only. Founding member rate $3.99/mo locked forever.