SWSH12: Silver Tempest Chesnaught V #171: PSA 9 vs PSA 10
The PSA 10 to PSA 9 spread on SWSH12: Silver Tempest Chesnaught V #171 is a meaningful PSA 10 premium: $35, with PSA 10 copies trading at 3x a PSA 9. Based on the most recent PSA 10 sale of $58.00 on May 2, 2026, the math leans toward holding the 9: expected value turns negative at conservative upgrade probabilities once the resub fee is in.
PSA 10
$52.50
Last sale $58.00 on
PSA 9
$17.56
Last sale $10.11 on
PSA 8
$4.37
Last sale $4.37 on
The Spread
The PSA 9 to PSA 10 spread on Chesnaught V #171 SWSH12: Silver Tempest.
$35
Dollar gap, PSA 9 to PSA 10
3x
PSA 10 sells for 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 SWSH12: Silver Tempest picture: a non-holo with a $35 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.
More Chesnaught Comparisons
Other SWSH12: Silver Tempest 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 rateFirst 100 only. Founding member rate $3.99/mo locked forever.