![Brock's Sandslash [1st Edition] #36 Pokémon card from Gym Challenge](https://storage.googleapis.com/images.pricecharting.com/34614b555a91e5b3e52f7909cf4105e2aaa209ecfada5c985cf9d52987d0176a/240.jpg)
Brock's Sandslash [1st Edition] 36/132
Gym Challenge
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Brock's Sandslash [1st Edition] #36 from Gym Challenge currently trades at $8.22 raw, with PSA 10 copies reaching $257.00: a 31.3x grade premium. The card has moved down 0.6% over the past 30 days and down 1.6% over 90 days, suggesting continued softness.
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
-0.8%
30d
-0.6%
90d
-1.6%
180d
+8.6%
1y
+71.2%
2y
+106.0%
5y
+73.1%
Quick price facts
Brock's Sandslash [1st Edition] 36/132 from Gym Challenge has a current raw market value of $8.22.
- Current raw value
- $8.22
- PSA 9 value
- $41.07
- PSA 10 value
- $257
- PSA 10 premium vs raw
- 31.3× raw
Collector Intel
31.3x
Raw → PSA 10
High-risk grade
5.0x
Raw → PSA 9
Grade multiplier
-0.6%
30d Price Move
Falling
Steady
Price Stability
0.8% 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 31x the raw price. The expected value accounts for the realistic probability.
$8
Raw Price
$257
PSA 10 Value
+$249
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$415.0x raw
PSA 10$25731.3x raw
Frequently asked questions
Recent tracked sales
Find this card on eBay →Affiliate · we may earn commission
- 26 Oct 2026Rawebaycompleted-auctions-usedlightly played$6.86
- 26 Oct 2026Rawtcgplayercompleted-auctions-usednear mint$8.22
- 15 Oct 2026Rawtcgplayercompleted-auctions-usednear mint$8.32
- 15 Oct 2026Gradedebaycompleted-auctions-gradedunknown$84.75
- 13 Oct 2026Rawtcgplayercompleted-auctions-usednear mint$8.98

