![Grookey [Master Ball] #6 Pokémon card from Japanese Terastal Festival](https://storage.googleapis.com/images.pricecharting.com/corr5d3w5g4sa6dt4hst/240.jpg)
Japanese
Grookey [Master Ball] 6/187
Terastal Festival· Language: Japanese
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Grookey [Master Ball] #6 from Japanese Terastal Festival currently trades at $5.83 raw, with PSA 10 copies reaching $33.01 — a 5.7x grade premium. The card has lost 12.3% over the past 30 days.
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
-13.9%
30d
-12.3%
90d
—
180d
—
1y
-3.2%
2y
—
5y
—
Quick price facts
Grookey [Master Ball] 6/187 from Terastal Festival has a current raw market value of $5.83.
- Current raw value
- $5.83
- PSA 9 value
- $20.51
- PSA 10 value
- $33.01
- Raw value 7d
- -13.9%
- Raw value 30d
- -12.3%
- PSA 10 premium vs raw
- 5.7× raw
Collector Intel
5.7x
Raw → PSA 10
Grade multiplier
3.5x
Raw → PSA 9
Grade multiplier
-12.3%
30d Price Move
Falling
Moderate
Price Stability
13.9% 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.
$6
Buy Raw
~$25
Grading Fee
PSA Standard
$33
PSA 10 Value
+$2
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$213.5x raw
PSA 10$335.7x raw