Tropical Tidal Wave Promo #HGSS18
HGSS Black Star Promos · Pokémon TCG
Market Value (Raw)
£310.19
Price by Grade
Ungraded
£310.19
PSA 10
—
PSA 9
—
PSA 8
—
BGS 10
—
BGS 9.5
—
CGC 10
—
CGC 9.5
—
SGC 10
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| Card Number | #HGSS18 |
| Rarity | Promo |
| Set | HGSS Black Star Promos |
Tropical Tidal Wave Promo #HGSS18 from the HGSS Black Star Promos set. Current raw market value: $392.65.Click the eBay button above to find this exact card on eBay UK.
Price History
Live▼ 1.8%20 data pointsPrice history pooled from marketplace sources (eBay, TCGPlayer) · Updated daily · Hover for details
Price by Grade
Estimated from price models — not live graded salesEstimated values modelled from raw market prices · Verify before trading · Hover for details
Investment Analysis
Current Value
$392.65
Market price (raw)
Price Range
$324.29 – $456.57
52-week estimate
Volatility
23%
High fluctuation
Market Trend
↑ Bullish
Short-term outlook
Analysis is algorithmically generated and should not be considered financial advice.
About Tropical Tidal Wave — HGSS Black Star Promos
Tropical Tidal Wave is a Item card from the HGSS Black Star Promos set (card #HGSS18). It carries a rarity of Promo, placing it in the standard tier of desirability within this expansion.
Tropical Tidal Wave Price Analysis
With a current market value of $392.65, Tropical Tidal Wave is one of the more valuable cards in the HGSS Black Star Promos set. At this price point, professional grading is strongly recommended — a PSA 10 gem mint copy could command a significant premium. Track price movements carefully, as high-value cards can fluctuate with market demand.
From an investment perspective, Tropical Tidal Wave benefits from being a Promo card in the HGSS Black Star Promos expansion. Cards from popular sets with iconic Pokémon tend to appreciate 15-30% annually once the set goes out of print. Monitor price trends and consider grading valuable copies for maximum resale value.
How to Buy Tropical Tidal Wave
The best way to find Tropical Tidal Wave at a fair price is to check live market data. Our price tracking aggregates completed eBay sales so you see what collectors actually pay — not inflated listing prices. Use the eBay button above to search for this exact card, or browse all HGSS Black Star Promos cards to compare prices across the set.
Always verify card condition before purchasing. Check the seller\'s feedback rating, review photos carefully, and compare prices against our market data to ensure you\'re getting a fair deal. Learn more in our guide to spotting fake cards and our price guide overview.
Investment Scorecard
Moderate
Tropical Tidal Wave · HGSS Black Star Promos
Not financial advice. This score is algorithmically generated from rarity, market data, and popularity signals. Always do your own research before purchasing.
Recent Price Data
Last 8 recorded prices from eBay
Avg Price
$470.92
▲ 19.9% vs current
| Date | Source | Price | vs Current |
|---|---|---|---|
| Sep 1, 2026 | ebay | $392.65 | ▲0.0% |
| Aug 25, 2026 | ebay | $1,112.19 | ▲183.3% |
| Aug 18, 2026 | ebay | $353.39 | ▼10.0% |
| Aug 11, 2026 | ebay | $309.57 | ▼21.2% |
| Aug 5, 2026 | ebay | $399.89 | ▲1.8% |
| Aug 4, 2026 | ebay | $399.89 | ▲1.8% |
| Aug 3, 2026 | ebay | $399.89 | ▲1.8% |
| Aug 2, 2026 | ebay | $399.89 | ▲1.8% |
Price data from eBay completed listings · Updated daily via automated pipeline
