![Gastrodon East Sea [Reverse Holo] #21 Pokémon card from Rising Rivals](https://storage.googleapis.com/images.pricecharting.com/d2a0689c1391f4ce4d651f4e09ff8239320e9c0318ceed6d1ce566aa2052bdf7/240.jpg)
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 $4.72 raw, with PSA 10 copies reaching $112.72: a 23.9x grade premium. Price is down 5.4% in the last 30 days, though the 90-day trend tells a different story at +8.0%. Worth watching for a clearer direction.
Current Prices (USD)
Ungraded
PSA 7
PSA 8
PSA 9
PSA 10
ACE 10
BGS 10 Black
CGC 10 Pristine
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Raw Price Trend
7d
-0.6%
30d
-5.4%
90d
+8.0%
180d
+11.3%
1y
+52.3%
2y
-6.3%
5y
—
Quick price facts
Gastrodon East Sea [Reverse Holo] 21/111 from Rising Rivals has a current raw market value of $4.72.
- Current raw value
- $4.72
- PSA 9 value
- $66.00
- PSA 10 value
- $113
- Raw value 30d
- -5.4%
- PSA 10 premium vs raw
- 23.9× raw
Collector Intel
23.9x
Raw → PSA 10
High-risk grade
14.0x
Raw → PSA 9
Grade multiplier
-5.4%
30d Price Move
Falling
Steady
Price Stability
0.6% swing this week
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Figures below are the gross raw-to-PSA-10 spread. PSA grading fees vary by card value and service tier — check psacard.com/services for the fee applicable to this card. Assumes a perfect PSA 10; actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 24x the raw price. The expected value accounts for the realistic probability.
$5
Raw Price
$113
PSA 10 Value
+$108
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$6614.0x raw
PSA 10$11323.9x raw
Frequently asked questions
Recent tracked sales
Find this card on eBay →Affiliate · we may earn commission
- 2 Nov 2026Gradedebaycompleted-auctions-cibunknown$2.94
- 13 Oct 2026Rawebaycompleted-auctions-usedunknown$4.99
- 3 Oct 2026Rawebaycompleted-auctions-usedunknown$3.60
- 14 Sep 2026Rawebaycompleted-auctions-usedunknown$4.99
- 7 Sep 2026Rawtcgplayercompleted-auctions-usednear mint$4.84

