The 2026 Japanese Storm Emeralda Groudon #84 is valued at $9.00 raw, $14.00 in PSA 9, $320 in PSA 10 as of November 3, 2026. Its market value is down 16.9% over the last 30 days, from $10.83 to $9.00. Across the 88 days we have tracked it, it has ranged from $1.60 to $52.65, and it currently sits 83% below that high. With 1,278 recorded sales, it ranks #371 of 500 Pokémon cards we track by trading volume.
On current values, a PSA 9 ($14.00) is worth $20.00 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($320, 35.6× raw) is worth $286 more, so the difference comes down to the grade. The cheapest PSA 10 copy we matched on eBay when we last checked on November 3, 2026 was $173, 46% under our PSA 10 market value of $320.
About $9.00 raw, $14.00 in PSA 9, $320 in PSA 10, based on our market values as of November 3, 2026. Its market value is down 16.9% over the last 30 days, from $10.83 to $9.00.
On current values, a PSA 9 ($14.00) is worth $20.00 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($320, 35.6× raw) is worth $286 more, so the difference comes down to the grade. This ignores gem rate and selling fees, so treat it as a best case.
The cheapest PSA 10 copy we matched on eBay when we last checked on November 3, 2026 was $173, 46% under our PSA 10 market value of $320.