modern-to-grade · holo
Tropical Tidal Wave
HGSS Black Star Promos · #HGSS18 · English · released 2010
Raw market price
$454.00
Graded prices & PSA population
| Grade | Market price |
|---|---|
| PSA 10 | $8,188 |
| PSA 9 | $1,123 |
| PSA 8 | $642.00 |
PSA population not yet on record for this card — we only show real census data.
Why this card matters
pop
25-card HGSS promo set with no booster reprint path; 16+ yr old supply is largely absorbed, but promo pop data is thin—ceiling exists, not verifiable at scale.
demand
Tropical Tidal Wave is a niche trainer card—no iconic Pokémon character pull. HGSS nostalgia is real but cohort appeal is narrow vs. Pikachu/Charizard promos.
artist
Holo finish on a scenic tropical trainer card is visually distinctive; no marquee artist credit elevates it, but the wave composition and foil pop above standard promos.
catalyst
30d momentum of just 1.3% is nearly flat. PSA 10 ($1393) trading below PSA 9 ($1540) signals thin, fragile comps—not a market with reliable price discovery.
Graded comps on record
$8,188
PSA 10
$1,123
PSA 9
$855.00
CGC 9
$805.00
PSA 7
$642.00
PSA 8
$618.00
CGC 10
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Market data recorded 2026-09-25 from licensed market sources. MASTER records prices daily and never invents a number — estimated values are always labeled. Not financial advice.