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Gastrodon East Sea [Reverse Holo] #21 Pokémon card from Rising Rivals

Gastrodon East Sea [Reverse Holo] 21/111

Rising Rivals

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Gastrodon East Sea [Reverse Holo] #21 from Rising Rivals currently trades at $4.99 raw, with PSA 10 copies reaching $115.72 — a 23.2x grade premium. The card has moved up 14.2% over the past 30 days and up 23.2% over 90 days, suggesting sustained buying interest.
Current Prices (USD)
Ungraded
$4.99
PSA 7
$8.00
PSA 8
$9.50
PSA 9
$66.00
PSA 10
$115.72
ACE 10
—
BGS 10 Black
$750.00
CGC 10 Pristine
$124.00
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Raw Price Trend
7d
+0.0%
30d
+14.2%
90d
+23.2%
180d
+13.2%
1y
+47.2%
2y
+27.6%
5y
—

Quick price facts

Gastrodon East Sea [Reverse Holo] 21/111 from Rising Rivals has a current raw market value of $4.99.

Current raw value
$4.99
PSA 9 value
$66.00
PSA 10 value
$116
Raw value 30d
+14.2%
PSA 10 premium vs raw
23.2× raw
View all cards from Rising Rivals →
Collector Intel
23.2x
Raw → PSA 10
High-risk grade
13.2x
Raw → PSA 9
Grade multiplier
+14.2%
30d Price Move
Rising
Steady
Price Stability
0.0% swing this week

Calculated from price history, PSA population data, and market trends. Not financial advice.

Grading Calculator

Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.

⚠️ High-variance grade. PSA 10 is 23x the raw price. The expected value accounts for the realistic probability.
$5
Buy Raw
~$25
Grading Fee
PSA Standard
$116
PSA 10 Value
+$86
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$6613.2x raw
PSA 10$11623.2x raw

Frequently asked questions

How much is Gastrodon East Sea [Reverse Holo] #21 from Rising Rivals worth?+
Gastrodon East Sea [Reverse Holo] #21 from Rising Rivals is currently worth Raw: $4.99, PSA 9: $66.00, PSA 10: $116 based on recent sold listings. Prices update daily from real eBay sales.
Is Gastrodon East Sea [Reverse Holo] #21 worth grading?+
The PSA 10 price of $116 is 23.2× the raw price of $4.99. After a ~$25 grading fee, a PSA 10 result would net approximately $111 — assuming the card grades a 10.
Where do PokePrices Gastrodon East Sea [Reverse Holo] #21 prices come from?+
Prices are tracked nightly from real sold listings on PriceCharting (raw, PSA 9 and PSA 10). PSA population data is sourced from PSA's public reports. We do not use asking prices — only confirmed sales.

Recent verified sales

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  • 14 Sep 2026Raw
    ebaycompleted-auctions-usedunknown
    $4.99
  • 7 Sep 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $4.84
  • 2 Sep 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $5.34
  • 23 Aug 2026Raw
    ebaycompleted-auctions-usednear mint
    $6.21
  • 19 Aug 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $5.00