Professor's Research (Professor Sada)
Scarlet & Violet Base Set (2023), Pokémon, 189/198, Rare, art by kirisAki
Holofoil, Near Mint
$0.14
TCGplayer market price (an average of recent sales)
As of Oct 26 (2 days ago). Unchanged since Oct 25.
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Price trend
For the Holofoil printing.
Oct 19 $0.16 → Oct 26, 2026 $0.14 −12.5%
Sep 26 $0.16 → Oct 26, 2026 $0.14 −12.5%
Jul 28 $0.16 → Oct 26, 2026 $0.14 −12.5%
Oct 26, 2025 $0.12 → Oct 26, 2026 $0.14 +16.7%
Feb 8, 2024 $0.18 → Oct 26, 2026 $0.14 −22.2%
Vs its set
Over the 90 days to Oct 26, 2026: the Holofoil printing −12.5%; the median other card in Scarlet & Violet Base Set 0.0% (258 others). 239 of those 258 changed price, but no more than half rose and no more than half fell, so the middle change is 0%.
Market details
Record
Price history Feb 8, 2024 to Oct 26, 2026
Price changes, last 30 days
| Date | Price | Change | |
|---|---|---|---|
| Oct 9 | $0.17 → $0.18 | +5.9% | Show on chart |
| Oct 10 | $0.18 → $0.16 | −11.1% | Show on chart |
| Oct 14 | $0.16 → $0.15 | −6.3% | Show on chart |
| Oct 16 | $0.15 → $0.16 | +6.7% | Show on chart |
| Oct 22 | $0.16 → $0.15 | −6.3% | Show on chart |
| Oct 25 | $0.15 → $0.14 | −6.7% | Show on chart |
Latest 6 of 14.
Other versions of this card (2)
Same set: Scarlet & Violet Base Set (259)
Same artist: kirisAki (193)
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Live market
eBay asking prices, fetched when you open this page.
Newest TCGplayer value: Oct 26, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.