Tropical Tidal Wave (Promo #HGSS18) PSA 10 Price, Gem Rate & Grading Value

Grade Matrix

PSA

PSA 6

-

PSA 7

-

PSA 8

$611

PSA 9

$672

PSA 10

$9,888

PSA 10: 45-day PSA 10 sold-comp median

CGC

CGC 8

-

CGC 9

-

CGC 10

$870

CGC P10

-

Graded: insufficient data · Sales per year: ~7 sales/yr · Recent sales: 1 PSA 10 comp

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GemDelta shows Tropical Tidal Wave (Promo #HGSS18) at $700 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 14.1x.

A PSA 10 Tropical Tidal Wave (Promo #HGSS18) is currently shown at $9,888. GemDelta labels this as a 45-day PSA 10 sold-comp median.

Date	Sale
Jul 28, 2026	$9888.00