Market Tape
Reference snapshot · Jun 21, 02:20 AM UTC · 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 $445.77. Recent movement is +214.1% 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 Jun 21, 02:20 AM UTC.
![Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff]](https://tcgplayer-cdn.tcgplayer.com/product/90052_in_800x800.jpg)
Card Game
Pokémon
Set/Year
HGSS Black Star Promos
Card #
HGSS18
Artist
—
Variant
Normal
Cross-Platform Pricing
Reference Price
History-anchored reference
$445.77
TCGPlayer Listing
Only 1 listing — unverified ask
$1,400.00
| Source | Price | Type |
|---|---|---|
| Reference Price | $445.77 | History-anchored reference |
| TCGPlayer Listing | $1,400.00 | Only 1 listing — unverified ask |
Data Quality
Verified snapshot history31 real daily snapshot points.
Snapshot sourcePokémon catalog reference snapshot
MethodReference price fallback
Reference basisHistory-anchored 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 (snapshot held back)
$445.77
▲ 214.1% 7d
As of Jun 21, 02:20 AM UTC · History-anchored reference · Low confidence
Latest snapshot $1,400 is being held back from the public headline price.
7D Change
+214.1%
30D Activity
0 pts
Price Action
Loading chart…
Verified snapshot history: 31 real daily snapshot points.
Moves: 24h/7d badges compare the latest verified snapshot to the nearest prior snapshot in history — not intraday exchange ticks.
Why Is This Moving?
6 EventsTropical Tidal Wave - HGSS18 (Worlds 10) [Staff] ↑ 214.1% in latest tracked window▲ Positive
Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff] (HGSS Black Star Promos) surged 214.1% from $445.77 to $1400.00. Thin activity context in the latest tracked window.
Jun 16, 2026via auto_price_anomalyConfidence 60%
Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff] ↓ 68.2% in latest tracked window▼ Negative
Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff] (HGSS Black Star Promos) dropped 68.2% from $1400.00 to $445.77. Thin activity context in the latest tracked window.
Jun 11, 2026via auto_price_anomalyConfidence 60%
Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff] ↑ 216.1% in latest tracked window▲ Positive
Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff] (HGSS Black Star Promos) surged 216.1% from $442.88 to $1400.00. Thin activity context in the latest tracked window.
May 19, 2026via auto_price_anomalyConfidence 60%
Pokémon 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%
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