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SWSH11: Lost Origin Rotom V #177: PSA 9 vs PSA 10

The PSA 10 to PSA 9 spread on SWSH11: Lost Origin Rotom V #177 is a wide gem-mint premium: $74, with PSA 10 copies trading at 3.3x a PSA 9. Based on a recent PSA 10 sale of $96.00 on May 27, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.

SWSH11: Lost Origin Rotom V #177
PSA 10
$106.52
Last sale $96.00 on
PSA 9
$32.04
Last sale $32.00 on
PSA 8
$12.52
Last sale $12.52 on

The Spread

The PSA 9 to PSA 10 spread on Rotom V #177 SWSH11: Lost Origin.

$74
Dollar gap, PSA 9 to PSA 10
3.3x
PSA 10 sells for 3.3x 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 SWSH11: Lost Origin picture: a non-holo with a $74 gap between PSA 9 and PSA 10. The PSA 9 to PSA 10 jump on WOTC-era cards reflects population scarcity at the top grade, not raw print run.

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