SLABLYTICS Track Free During Beta

Team Rocket Dark Blastoise 3/82: PSA 9 vs PSA 10

The PSA 10 to PSA 9 spread on Team Rocket Dark Blastoise 3/82 is an unusually wide gem-mint premium: $3,481, with PSA 10 copies trading at 8.2x a PSA 9. Based on the last tracked PSA 10 sale of $3,965.00 on Nov 23, 2025, the crack-and-resub math favors the resub: expected value is positive even at a conservative 15% upgrade probability.

Team Rocket Dark Blastoise 3/82 Holo
PSA 10
$3,965.00
Last sale $3,965.00 on
PSA 9
$483.68
Last sale $403.35 on
PSA 8
$275.75
Last sale $300.00 on

The Spread

The PSA 9 to PSA 10 spread on Dark Blastoise 3/82 (Team Rocket).

$3,481
Dollar gap, PSA 9 to PSA 10
8.2x
PSA 10 sells for 8.2x a PSA 9

Three-Outcome EV Calculator

15%
70%
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
$0
Math favors holding the 9

Where this card lands in the broader Team Rocket picture: a WOTC-era holo carrying a $3,481 gap between PSA 9 and PSA 10, an 8.2x multiple on the PSA 9 price.

Track every grade tier. Spot every gap.

Real PSA prices across every grade tier. Free during beta.

Get Free Beta Access
Founding Member Cohort · Limited to the First 100 Members.