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Ask about Grumpig [Reverse Holo] #20 from Crystal Guardians
Grumpig [Reverse Holo] #20 Pokémon card from Crystal Guardians

Grumpig [Reverse Holo] 20/100

Crystal Guardians

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Grumpig [Reverse Holo] #20 from Crystal Guardians currently trades at $9.99 raw, with PSA 10 copies reaching $174.99 — a 17.5x grade premium. The card has moved down 21.4% over the past 30 days and down 9.2% over 90 days, suggesting continued softness.
Current Prices (USD)
Ungraded
$9.99
PSA 7
$19.00
PSA 8
$23.99
PSA 9
$89.95
PSA 10
$174.99
ACE 10
—
BGS 10 Black
$1,135.00
CGC 10 Pristine
$180.00
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Raw Price Trend
7d
-11.2%
30d
-21.4%
90d
-9.2%
180d
+48.0%
1y
+100.2%
2y
+200.9%
5y
+53.9%

Quick price facts

Grumpig [Reverse Holo] 20/100 from Crystal Guardians has a current raw market value of $9.99.

Current raw value
$9.99
PSA 9 value
$89.95
PSA 10 value
$175
Raw value 7d
-11.2%
Raw value 30d
-21.4%
PSA 10 premium vs raw
17.5× raw
View all cards from Crystal Guardians →
Collector Intel
17.5x
Raw → PSA 10
High-risk grade
9.0x
Raw → PSA 9
Grade multiplier
-21.4%
30d Price Move
Falling
Moderate
Price Stability
11.2% 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 18x the raw price. The expected value accounts for the realistic probability.
$10
Buy Raw
~$25
Grading Fee
PSA Standard
$175
PSA 10 Value
+$140
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$909.0x raw
PSA 10$17517.5x raw

Frequently asked questions

How much is Grumpig [Reverse Holo] #20 from Crystal Guardians worth?+
Grumpig [Reverse Holo] #20 from Crystal Guardians is currently worth Raw: $9.99, PSA 9: $89.95, PSA 10: $175 based on recent sold listings. Prices update daily from real eBay sales.
Is Grumpig [Reverse Holo] #20 worth grading?+
The PSA 10 price of $175 is 17.5× the raw price of $9.99. After a ~$25 grading fee, a PSA 10 result would net approximately $165 — assuming the card grades a 10.
Where do PokePrices Grumpig [Reverse Holo] #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
  • 24 Jul 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $4.29
  • 22 Jul 2026Raw
    ebaycompleted-auctions-usedunknown
    $20.00
  • 21 Jul 2026Graded
    ebaycompleted-auctions-cibunknown
    $42.79
    best offer accepted
  • 18 Jul 2026Raw
    ebaycompleted-auctions-usedplayed
    $6.00
  • 17 Jul 2026Raw
    ebaycompleted-auctions-usedunknown
    $12.50