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Ask about Grumpig #20 from Crystal Guardians
Grumpig #20 Pokémon card from Crystal Guardians

Grumpig 20/100

Crystal Guardians

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Grumpig #20 from Crystal Guardians currently trades at $1.71 raw, with PSA 10 copies reaching $77.76 — a 45.5x grade premium. Price is down 10.6% in the last 30 days, though the 90-day trend tells a different story at +67.3% — worth watching for a clearer direction.
Current Prices (USD)
Ungraded
$1.71
PSA 7
$14.00
PSA 8
$14.00
PSA 9
$23.62
PSA 10
$77.76
ACE 10
—
BGS 10 Black
$505.00
CGC 10 Pristine
$21.00
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Raw Price Trend
7d
+0.0%
30d
-10.6%
90d
+67.3%
180d
-23.5%
1y
-55.5%
2y
+4.3%
5y
+111.2%

Quick price facts

Grumpig 20/100 from Crystal Guardians has a current raw market value of $1.71.

Current raw value
$1.71
PSA 9 value
$23.62
PSA 10 value
$77.76
Raw value 30d
-10.6%
PSA 10 premium vs raw
45.5× raw
View all cards from Crystal Guardians →
Collector Intel
45.5x
Raw → PSA 10
High-risk grade
13.8x
Raw → PSA 9
Grade multiplier
-10.6%
30d Price Move
Falling
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 45x the raw price. The expected value accounts for the realistic probability.
$2
Buy Raw
~$25
Grading Fee
PSA Standard
$78
PSA 10 Value
+$51
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$2413.8x raw
PSA 10$7845.5x raw

Frequently asked questions

How much is Grumpig #20 from Crystal Guardians worth?+
Grumpig #20 from Crystal Guardians is currently worth Raw: $1.71, PSA 9: $23.62, PSA 10: $77.76 based on recent sold listings. Prices update daily from real eBay sales.
Is Grumpig #20 worth grading?+
The PSA 10 price of $77.76 is 45.5× the raw price of $1.71. After a ~$25 grading fee, a PSA 10 result would net approximately $76.05 — assuming the card grades a 10.
Where do PokePrices Grumpig #20 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

Find this card on eBay →Affiliate · we may earn commission
  • 25 Jul 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $0.92
  • 24 Jul 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $4.29
  • 22 Jul 2026Graded
    ebaycompleted-auctions-newunknown
    $14.00
  • 6 Jul 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $0.70
  • 2 Jul 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $1.02