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Professor's Research #SWSH178 – Promo – SWSH Black Star Promos

Professor's Research (SWSH178)

Promo

Professor's Research #SWSH178 is a Promo card from the SWSH Black Star Promos expansion. This page tracks this exact printing, not every Professor's Research card.

Current market price
$0.40
-20.0%
30d
HOLOFOIL · TCGPLAYER · 2026-09-07
Community signal is building for this card.

Full price history.

Daily market-price snapshots — every data point is a dated price reading, never an estimate.

$1$0$02026-05-052026-09-07

Professor's Research #SWSH178 card details.

Professor's Research #SWSH178 is a Promo Trainer card from SWSH Black Star Promos, released November 2019. Its current tracked market price is $0.40 for the Holofoil variant, updated September 7, 2026.

Currently ranked #12,337 by market price across tracked Pokémon cards as of September 7, 2026.

Card number
#SWSH178
Released
November 2019
Rarity
Promo
Supertype
Trainer
Series
Sword & Shield
Market source
TCGplayer market price · Holofoil · Updated September 7, 2026

More from SWSH Black Star Promos.

Highest-priced cards from the same expansion, ordered by current market price.

06 · Reference desk

Professor's Research, explained.

Everything about this card — the price, the variants, and how we track it.

3 questions answered
Q.01

Is Professor's Research from SWSH Black Star Promos a good investment?

We track prices, not provide investment advice. The active-chase count and recent price history above show current collector interest and market movement.
Q.02

How is the market price determined?

Prices are refreshed daily from TCGplayer market-price data via TCGCSV. Each displayed value applies to the tracked price variant named on the card detail page. It is a market reference, not a guaranteed sale price; condition, grading, location, fees, and timing can change an individual sale. This card's current figure reflects the Holofoil variant.
Q.03

What does the Chase Index rank mean?

The Chase Index ranks cards by active collector chases. A card near the top is one more collectors are actively trying to find.