Professor's Research [Professor Willow] — SWSH178 (with Pokemon Go Code)

Name: Professor's Research [Professor Willow] — SWSH178 (with Pokemon Go Code) — SWSH: Sword & Shield Promo Cards
Brand: Pokémon Trading Card Game
SKU: 246275
Price: 0.40 USD
Availability: InStock

SWSH: Sword & Shield Promo CardsPromoConfidence: moderate

Lowest ask

$0.40

$0.59TCGplayer market

Buy on TCGplayer — from $0.40 Shop on eBay Whatnot live breaks

Lowest ask = the cheapest current listing. Market = TCGplayer’s rolling market price. Latest daily snapshot: Sep 5, 2026.

Market read

Snapshot of Sep 5, 2026: $0.40 is the cheapest listing we can see for Professor's Research [Professor Willow] — SWSH178 (with Pokemon Go Code), with TCGplayer's market price at $0.59. The same card's 7-day trailing median is $0.59, putting today's ask 32.2% below it. Confidence is moderate: 41 daily observations and the ask sits 32% below the market price. SWSH: Sword & Shield Promo Cards gives us 337 Promo cards to compare it against, out of 339 tracked in the set. Prices are asks from current listings, not completed sale prices, and the snapshot refreshes once daily.

Price history

Daily TCGplayer market and lowest-ask price for Professor's Research [Professor Willow] — SWSH178 (with Pokemon Go Code) from the InkSight Pokémon Trading Card Game snapshot. Interactive chart loads with the latest daily snapshot.