
Japanese
Porygon 137/151
1997 Carddass· Language: Japanese
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Porygon #137 from Japanese 1997 Carddass currently trades at $13.60 raw, with PSA 10 copies reaching $455.70: a 33.5x grade premium. The card has moved up 18.2% over the past 30 days and up 56.9% over 90 days, suggesting sustained buying interest.
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
-9.4%
30d
+18.2%
90d
+56.9%
180d
—
1y
+40.2%
2y
+288.6%
5y
—
Quick price facts
Porygon 137/151 from 1997 Carddass has a current raw market value of $13.60.
- Current raw value
- $13.60
- PSA 9 value
- $45.76
- PSA 10 value
- $456
- Raw value 7d
- -9.4%
- Raw value 30d
- +18.2%
- PSA 10 premium vs raw
- 33.5× raw
Collector Intel
33.5x
Raw → PSA 10
High-risk grade
3.4x
Raw → PSA 9
Grade multiplier
+18.2%
30d Price Move
Rising
Moderate
Price Stability
9.4% swing this week
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Figures below are the gross raw-to-PSA-10 spread. PSA grading fees vary by card value and service tier — check psacard.com/services for the fee applicable to this card. Assumes a perfect PSA 10; actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 34x the raw price. The expected value accounts for the realistic probability.
$14
Raw Price
$456
PSA 10 Value
+$442
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$463.4x raw
PSA 10$45633.5x raw