Rocket's Secret Experiment (1st Edition)
Gym Challenge · #120 · Uncommon
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$105.64
PSA 10 · 7%
Based on 5 sales
$38.72
PSA 9
$9.50
PSA 8
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The Rocket's Secret Experiment (1st Edition) from Gym Challenge $105.64 in PSA 10 grade. Prices have increased 7% over the past 30 days.
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Price Forecast
Forecasts are estimates based on historical data. Not investment advice. Trading cards are not securities. Past performance does not guarantee future results.
Methodology
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RAW
Current$6.99
7-day forecast$7.69 (+10.0%)
30-day forecast$7.96 (+13.9%)
90-day forecast$7.24 (+3.6%)
Confidencehigh (4 data points)
Price by Grade
PSA 8
$9.50
PSA 9
$38.72
PSA 10
$105.64
Recent Sales
2026-04-18
· raw
· ebay
$6.00
2026-04-17
· raw
· ebay
$9.99
2026-04-14
· raw
· ebay
$6.99
2026-04-13
· psa 9
· ebay
$32.05
2026-04-13
· raw
· ebay
$6.99
2026-04-12
· psa 9
· ebay
$32.05
2026-04-07
· raw
· ebay
$7.99
2026-04-07
· raw
· ebay
$7.99
2026-03-29
· psa 9
· ebay
$45.00
2026-03-29
· psa 9
· ebay
$45.00
2026-03-28
· raw
· ebay
$7.99
2026-03-28
· raw
· ebay
$7.99
2026-03-26
· raw
· ebay
$6.99
2026-03-26
· raw
· ebay
$6.99
2026-03-22
· raw
· ebay
$3.25
2026-03-22
· raw
· ebay
$3.25
2026-03-20
· raw
· ebay
$8.99
2026-03-20
· raw
· ebay
$8.99
2026-03-08
· raw
· ebay
$10.01
2026-02-28
· raw
· ebay
$5.99
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