SV04: Paradox Rift Rika 258/182: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SV04: Paradox Rift Rika 258/182 is an unusually wide gem-mint premium: $68, with PSA 10 copies trading at 7.5x a PSA 9. Based on the last tracked PSA 10 sale of $77.01 on May 6, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$78.51
Last sale $77.01 on
PSA 9
$10.50
Last sale $10.50 on
PSA 8
$12.40
Last sale $12.40 on
The Spread
The PSA 9 to PSA 10 spread on Rika 258/182 (SV04: Paradox Rift).
$68
Dollar gap, PSA 9 to PSA 10
7.5x
PSA 10 sells for 7.5x 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
SV04: Paradox Rift 258/182 Rika is a modern-era release from 2023. The gap between its PSA 9 and PSA 10 prices is $68.
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