Jungle Butterfree 33/64: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on Jungle Butterfree 33/64 is a wide gem-mint premium: $98, with PSA 10 copies trading at 3.4x a PSA 9. Based on the last tracked PSA 10 sale of $138.95 on Mar 30, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$138.95
Last sale $138.95 on
PSA 9
$41.27
Last sale $21.99 on
PSA 8
$41.00
Last sale $41.00 on
The Spread
The PSA 9 to PSA 10 spread on Butterfree 33/64 (Jungle).
$98
Dollar gap, PSA 9 to PSA 10
3.4x
PSA 10 sells for 3.4x 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 Jungle picture: a WOTC-era card carrying a $98 gap between PSA 9 and PSA 10, a 3.4x multiple on the PSA 9 price.
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