Professor's Research #SWSH178

Collector-focused market read: The latest week is near flat (0.0%), suggesting consolidation rather than breakout behavior. Observed 90-day bounds of $0.43 and $0.76 create a 43% band, matching a moderate-volatility profile.

Versus the 30-day average ($0.67), the card is trading 12.9% higher. Without a consistent graded comp in the current snapshot, live listings are still required for reliable condition-based valuation.

For Professor's Research in SWSH Black Star Promos, the current reference price is $0.76. Price action is stable over 7 days, moving only 0.0%.

Against its 30-day baseline of $0.67, this card is pricing 12.9% higher. The 90-day window shows a floor near $0.43 and a peak around $0.76 (43% total spread), which maps to moderate-volatility movement.

This version is categorized as Promo.

Professor's Research is a SWSH Black Star Promos card from the 2019 release window. Its card type is Trainer.

The rarity label is Promo. This gives collectors a clear identity footprint for the print.

Card subtype classification is Supporter. Card rules text: Discard your hand and draw 7 cards.

You may play only 1 Supporter card during your turn. Attack names are not present in the current metadata snapshot.

SWSH Black Star Promos was released in 2019. Series classification for this set is Sword & Shield.

Set size is 304 cards, which categorizes SWSH Black Star Promos as very large. As of 2026, the set is 7 years old and now falls into an established back-catalog period.

Professor's Research (#SWSH178) is one of the Promo prints in this expansion.

Other Professor's printings create a useful comparison set for Professor's Research. This comparison sample includes 6 alternatives across 6 sets.

In this sample, pricing ranges between $0.07 and $2.69 (3743% total span). Relative to the alternative average ($0.84), this card is -9%.

Notable alternatives include Professor's Research #85 (Black Bolt) at $0.07, Professor's Research #SWSH152 (SWSH Black Star Promos) at $2.69, Professor's Research #147 (Brilliant Stars) at $0.08, and Professor's Research #60 (Shining Fates) at $0.17.