![Cloyster [Reverse Holo] #20 Pokémon card from Generations](https://storage.googleapis.com/images.pricecharting.com/9d2610a3660a7660feb7c25736565da6a8707c688c541511fdd33547df2a9b75/240.jpg)
Cloyster [Reverse Holo] 20/83
Generations
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Cloyster [Reverse Holo] #20 from Generations currently trades at $1.16 raw, with PSA 10 copies reaching $38.16 — a 32.9x grade premium. Price is down 31.4% in the last 30 days, though the 90-day trend tells a different story at +20.8% — 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
-1.7%
30d
-31.4%
90d
+20.8%
180d
+28.9%
1y
-48.2%
2y
-46.5%
5y
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Quick price facts
Cloyster [Reverse Holo] 20/83 from Generations has a current raw market value of $1.16.
- Current raw value
- $1.16
- PSA 9 value
- $7.00
- PSA 10 value
- $38.16
- Raw value 7d
- -1.7%
- Raw value 30d
- -31.4%
- PSA 10 premium vs raw
- 32.9× raw
Collector Intel
32.9x
Raw → PSA 10
High-risk grade
6.0x
Raw → PSA 9
Grade multiplier
-31.4%
30d Price Move
Falling
Steady
Price Stability
1.7% 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 33x the raw price. The expected value accounts for the realistic probability.
$1
Buy Raw
~$25
Grading Fee
PSA Standard
$38
PSA 10 Value
+$12
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$76.0x raw
PSA 10$3832.9x raw