Bull Run TCGTropical Tidal Wave (Worlds 10) [Participation] HGSS18 (HGSS Promos) price and outlook
As of October 20, 2026, Tropical Tidal Wave (Worlds 10) [Participation] HGSS18 (HGSS Promos, Near Mint) sells for about $599.95, about the same as 30 days ago. Bull Run’s signal: Hold — insufficient data for reliable signal.
![Tropical Tidal Wave (Worlds 10) [Participation] HGSS18 card from HGSS Promos](/img/pokemon/hgss-promos/tropical-tidal-wave-worlds-10-participation-hgss18-holo.jpg)
What is it worth?
A Near Mint copy is worth about $599.95.
| Near Mint | $599.95 | latest price |
|---|---|---|
| Lightly Played | $433.82 | estimate from typical condition discounts |
| Moderately Played | $312.39 | estimate from typical condition discounts |
| Heavily Played | $221.26 | estimate from typical condition discounts |
| Damaged | $180.28 | estimate from typical condition discounts |
| PSA 10 | $8,188 | graded market price |
| PSA 9 | $1,123 | graded market price |
Is it going up or down?
Its Near Mint price has moved +0.0% over 30 days. Over the last month it has been holding steady.
Near Mint price, last 90 days: from $599.95 on July 23, 2026 to $599.95 on October 1, 2026; low $599.95, high $599.95.
Near Mint price, last year: from $599.95 on July 23, 2026 to $599.95 on October 1, 2026; low $599.95, high $599.95.
| 7 days | +0.0% |
|---|---|
| 30 days | +0.0% |
Price updates in the last 30 days: 16. That is how often the tracked price changed, not how many copies sold.
Should I buy or sell?
Bull Run rates it Hold: insufficient data for reliable signal. Its signal score is +0 on a scale from −100 (strong sell) to +100 (strong buy).
Signals are estimates based on past prices, not guarantees.
Is it worth grading?
If it came back a PSA 10, it would be worth about $8,188: $7,543 more than a raw Near Mint copy after about $45.00 of grading and shipping costs. A PSA 9 would be worth about $1,123, $478.17 more after costs. Most cards do not get a 10, so it may be worth grading only if your copy looks perfect.
Bull Run is not affiliated with PSA, BGS, CGC or SGC.
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Updated October 20, 2026 · More HGSS Promos cards · How Bull Run works