Market Tape
Reference snapshot · May 7, 04:25 AM · Pokémon catalog reference snapshot
Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff]
RawPromo
Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff] #HGSS18 from HGSS Black Star Promos is tracked as a Promo card with a current CardIntel reference price of $1,400. Recent movement is +1.8% over 7 days. The page compares source-labeled price snapshots, verified snapshot history, activity signals, and comparable cards using Pokémon catalog reference snapshot; prices are shown as of May 7, 04:25 AM.
![Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff]](https://images.pokemontcg.io/hsp/HGSS18_hires.png)
Card Game
Pokémon
Set/Year
HGSS Black Star Promos
Card #
HGSS18
Artist
—
Variant
Normal
Cross-Platform Pricing
Reference Price
Snapshot-backed reference
$1,400.00
TCGPlayer Low
Listing
$1,400.00
TCGPlayer Mid
Median
$1,400.00
TCGPlayer High
Listing
$1,400.00
| Source | Price | Type |
|---|---|---|
| Reference Price | $1,400.00 | Snapshot-backed reference |
| TCGPlayer Low | $1,400.00 | Listing |
| TCGPlayer Mid | $1,400.00 | Median |
| TCGPlayer High | $1,400.00 | Listing |
Data Quality
Verified snapshot history27 real daily snapshot points.
Snapshot sourcePokémon catalog reference snapshot
MethodReference price fallback
Reference basisSnapshot-backed reference
Chart latest layerPokemonPriceTracker snapshot
30D Activity
Low0 pts
Observed 30-day activity volume proxy. Use it as a liquidity signal, not as a confirmed completed-sales count.
Advanced Analytics
Cross-market pricing, price history logs, and valuation analysis are hidden by default. Enable Advanced Analytics above to explore.
Reference Price
$1,400
▲ 1.8% 7d
As of May 7, 04:25 AM · Snapshot-backed reference · High confidence
7D Change
+1.8%
30D Activity
0 pts
Price Action
Loading chart…
Verified snapshot history: 27 real daily snapshot points.
Why Is This Moving?
3 EventsPokémon TCG: Surging Sparks Released— Neutral
The latest Scarlet & Violet expansion 'Surging Sparks' officially launched worldwide. Early chase cards include Pikachu ex SAR and several new Illustration Rares. First-week prices are inflated — expect correction in 2-4 weeks.
Feb 15, 2026via Official Pokémon CompanyConfidence 60%
PSA Announces New Modern Card Tier Pricing— Neutral
PSA raised their base-level grading fee from $30 to $35 for standard cards. Express and Super Express tiers unchanged. This may reduce casual submissions and tighten PSA 10 supply for modern cards.
Feb 10, 2026via PSA OfficialConfidence 60%
January Market Overview: Post-Holiday Correction▼ Negative
As expected, the market saw a 5-10% correction across most categories following the December holiday buying surge. Vintage cards held better than modern, with Base Set holos showing minimal decline.
Jan 5, 2026via Market Data AnalysisConfidence 60%
![Electivire - 20/102 (Prerelease) [Staff]](https://images.pokemontcg.io/hsp/20.png)
