![Sandygast [Reverse Holo] #90 Pokémon card from Surging Sparks](https://storage.googleapis.com/images.pricecharting.com/7eaghsir36majxuq/240.jpg)
Sandygast [Reverse Holo] 90/191
Surging Sparks
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Sandygast [Reverse Holo] #90 from Surging Sparks currently trades at $1.25 raw, with PSA 10 copies reaching $34.15 — a 27.3x grade premium. Price is up 6.8% in the last 30 days, though the 90-day trend tells a different story at -22.4% — 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
+26.3%
30d
+6.8%
90d
-22.4%
180d
-15.5%
1y
-13.8%
2y
—
5y
—
Quick price facts
Sandygast [Reverse Holo] 90/191 from Surging Sparks has a current raw market value of $1.25.
- Current raw value
- $1.25
- PSA 9 value
- $11.52
- PSA 10 value
- $34.15
- Raw value 7d
- +26.3%
- Raw value 30d
- +6.8%
- PSA 10 premium vs raw
- 27.3× raw
Collector Intel
27.3x
Raw → PSA 10
High-risk grade
9.2x
Raw → PSA 9
Grade multiplier
+6.8%
30d Price Move
Rising
Volatile
Price Stability
26.3% 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 27x the raw price. The expected value accounts for the realistic probability.
$1
Buy Raw
~$25
Grading Fee
PSA Standard
$34
PSA 10 Value
+$8
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$129.2x raw
PSA 10$3427.3x raw