Professor's Research

SWSH Black Star Promos · #SWSH178 · Promo

$0.49US · TCGplayer

$0.53EU · Cardmarket

-21%7-day (EU)

+17%30-day (EU)

PromoRarity

#289 of 304Rank in set

Price detail

Market read: cooling off — -21% in 7 days; a budget pickup in its set.

TCGplayer (US) (holofoil)

Tier	USD
Low	$0.13
Market	$0.49
Mid	$0.50
High	$19.98

Cardmarket (EU)

Metric	EUR
Trend	€0.49
Avg 1-day	€0.25
Avg 7-day	€0.62
Avg 30-day	€0.42
Low	€0.02

FAQ

How much is Professor's Research (SWSH Black Star Promos #SWSH178) worth?

As of our 2026-08-07 data, Professor's Research from SWSH Black Star Promos is worth about $0.49 (TCGplayer US market) and around €0.53 (Cardmarket EU). Prices move constantly — check the live links before buying or selling.

Is Professor's Research rare?

Its rarity is listed as Promo and it ranks #289 of 304 by value in SWSH Black Star Promos. Rarity is the printed classification — it does not by itself guarantee value.

What's the most valuable card in SWSH Black Star Promos?

By current US market price, it's Charizard at $581.

Is Professor's Research's price going up or down?

On the Cardmarket (EU) trend it's -21% over 7 days, +17% over 30 days. That's an early momentum signal, not a guarantee — collectible prices are volatile and can reverse quickly.

Where can I check Professor's Research's live price?

See the current TCGplayer (US) market price here: Professor's Research on TCGplayer ↗.