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![Tropical Tidal Wave - HGSS18 (Worlds 10) [Participation]](/_next/image?url=https%3A%2F%2Fhe0y4wbpx1cbvwmv.public.blob.vercel-storage.com%2Fcard-images%2F019bff83-863f-718a-b5c0-fb5d251ec24f.png&w=3840&q=85)
Tropical Tidal Wave - HGSS18 (Worlds 10) [Participation]
Graded Cap$240.3K
PSA 10$21,845
Raw NM—
Price & Volume History
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Market
Last Sale
$9,888
103 days ago
Price Estimate
$21,845
MODELED
At all-time high
On eBay · Lowest PSA 10 Buy It Now
See listings ↗Price Confidence:Low Confidence
Sales
Sales
1 sale · Jul 27 2026 – Jul 27 2026
2026-07-27$9,888eBay
Grading
Snapshot
Key Metrics · Grading Activity
| Percentile vs. | ||||
|---|---|---|---|---|
| Metric | Value | Set | Era | All |
| Value / CopyPSA 10 price divided by how many PSA 10 copies exist. Roughly: how much value rides on each perfect copy. | $1,986 | 53 | — | — |
| Gem RateOf every copy PSA has ever graded, the share that came back a perfect 10. | 17.2% | 4 | 24 | 56 |
| Gem Premium (10:9)How much more a PSA 10 costs than a PSA 9 of this card. 2.5× means the perfect copy sells for 2.5 times the near-perfect one. | 15× | 53 | 36 | 76 |
| Vs ExpectedThis card's price vs what you'd expect for a card with its PSA 10 population in its era. 9× means the market pays nine times what rarity alone explains — collector demand. Below 1× means it's cheaper than its scarcity suggests. | 0.6× | 82 | 83 | 51 |
1011
Total: 64
Gem Rate: 17.2%
Cumulative Grading
All Grades
64 total graded · click to change view
▍ PSA
▍ Raw
▍ Other Grades
![Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff]](/_next/image?url=https%3A%2F%2Fhe0y4wbpx1cbvwmv.public.blob.vercel-storage.com%2Fcard-images%2F019bff86-38c6-7658-a5cb-5787aa4db071.png&w=3840&q=85)
![Tropical Tidal Wave - HGSS18 (Worlds 10) [Semi-Finalist]](/_next/image?url=https%3A%2F%2Fhe0y4wbpx1cbvwmv.public.blob.vercel-storage.com%2Fcard-images%2F019bff86-38c6-7658-a5cb-52427272d68e.png&w=3840&q=85)
![Tropical Tidal Wave - HGSS18 (Worlds 10) [Top 32]](/_next/image?url=https%3A%2F%2Fhe0y4wbpx1cbvwmv.public.blob.vercel-storage.com%2Fcard-images%2F019bff86-38c6-7658-a5cb-440a6fcc88f0.png&w=3840&q=85)
![Tropical Tidal Wave - HGSS18 (Worlds 10) [Top 16]](/_next/image?url=https%3A%2F%2Fhe0y4wbpx1cbvwmv.public.blob.vercel-storage.com%2Fcard-images%2F019bff86-38c6-7658-a5cb-4b14a3f97857.png&w=3840&q=85)
![Tropical Tidal Wave - HGSS18 (Worlds 10) [Quarter-Finalist]](/_next/image?url=https%3A%2F%2Fhe0y4wbpx1cbvwmv.public.blob.vercel-storage.com%2Fcard-images%2F019bff86-38c6-7658-a5cb-4dc2a2f030b3.png&w=3840&q=85)
![Tropical Tidal Wave - HGSS18 (Worlds 10) [Finalist]](/_next/image?url=https%3A%2F%2Fhe0y4wbpx1cbvwmv.public.blob.vercel-storage.com%2Fcard-images%2Fsx%2F019bff86-38c6-7658-a5cb-5a50412b2e78.jpg&w=3840&q=85)