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Magikarp [Reverse Holo] #21 Pokémon card from Go

Magikarp [Reverse Holo] 21/78

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Magikarp [Reverse Holo] #21 from Go currently trades at $1.55 raw, with PSA 10 copies reaching $46.00 — a 29.7x grade premium.
Current Prices (USD)
Ungraded
$1.55
PSA 7
$34.99
PSA 8
$34.99
PSA 9
$38.00
PSA 10
$46.00
ACE 10
—
BGS 10 Black
$300.00
CGC 10 Pristine
$50.00
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Quick price facts

Magikarp [Reverse Holo] 21/78 from Go has a current raw market value of $1.55.

Current raw value
$1.55
PSA 9 value
$38.00
PSA 10 value
$46.00
PSA 10 premium vs raw
29.7× raw
View all cards from Go →
Collector Intel
29.7x
Raw → PSA 10
High-risk grade
24.5x
Raw → PSA 9
Grade multiplier

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 30x the raw price. The expected value accounts for the realistic probability.
$2
Buy Raw
~$25
Grading Fee
PSA Standard
$46
PSA 10 Value
+$19
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$3824.5x raw
PSA 10$4629.7x raw

Frequently asked questions

How much is Magikarp [Reverse Holo] #21 from Go worth?+
Magikarp [Reverse Holo] #21 from Go is currently worth Raw: $1.55, PSA 9: $38.00, PSA 10: $46.00 based on recent sold listings. Prices update daily from real eBay sales.
Is Magikarp [Reverse Holo] #21 worth grading?+
The PSA 10 price of $46.00 is 29.7× the raw price of $1.55. After a ~$25 grading fee, a PSA 10 result would net approximately $44.45 — assuming the card grades a 10.
Where do PokePrices Magikarp [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.