Professor's Research - #221

Scarlet & Violet Black Star Promos, Pokémon, #221


Professor's Research - #221
Photo from the TCGplayer listing

Printing: Normal, Near Mint

$0.19

TCGplayer market price (an average of recent sales)

As of Oct 25 (2 days ago). Unchanged since Oct 20.

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Price trend

Oct 18 $0.20 → Oct 25, 2026 $0.19 −5.0%

$0.20$0.19
Oct 18, 2026Oct 20, 2026Oct 21, 2026Oct 22, 2026Oct 25, 2026

Sep 25 $0.21 → Oct 25, 2026 $0.19 −9.5%

$0.25$0.20$0.22$0.24$0.19
Sep 25, 2026Oct 5, 2026Oct 10, 2026Oct 15, 2026Oct 25, 2026

Jul 27 $0.21 → Oct 25, 2026 $0.19 −9.5%

$0.26$0.16$0.18$0.20$0.22$0.19
Jul 27, 2026Aug 26, 2026Sep 10, 2026Sep 25, 2026Oct 25, 2026

Nov 22, 2025 $2.62 → Oct 25, 2026 $0.19 −92.7%

$2.62$0.16low$1.00$2.00$0.19
Nov 22, 2025Mar 14, 2026May 9, 2026Jul 4, 2026Oct 25, 2026

Vs its set

Over the 90 days to Oct 25, 2026: this card −9.5%; the median other printing in Scarlet & Violet Black Star Promos −2.2% (240 other printings).

Market details

Sold vs asking

Recent sales (TCGplayer market price)$0.19
Sellers asking (median listing)$0.25
0$0.25

Sellers ask 1.3× the recent sale price.

Asking figure from TCGplayer listings, as of Oct 25.

Record

Price history Nov 22, 2025 to Oct 25, 2026

Highest$2.62Nov 22, 2025 to Nov 23, 2025
Lowest$0.16Mar 31, 2026 to Apr 3, 2026
Vs highest93% below $2.62

Price changes, last 30 days

DatePriceChange
Oct 5$0.25 → $0.21−16.0%Show on chart
Oct 7$0.21 → $0.22+4.8%Show on chart
Oct 13$0.22 → $0.21−4.5%Show on chart
Oct 14$0.21 → $0.19−9.5%Show on chart
Oct 15$0.19 → $0.20+5.3%Show on chart
Oct 20$0.20 → $0.19−5.0%Show on chart

Latest 6 of 9.

Same set: Scarlet & Violet Black Star Promos (244)

Keep exploring

Live market

Newest TCGplayer value: Oct 25, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.