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  6. Professor's Research [Professor Sada] - 189/198

Pokémon · Professor Program Promos · #189/198 · Promo

Professor's Research [Professor Sada] - 189/198

Pokémon card price for Professor's Research [Professor Sada] - 189/198: $13.54 market, from $10.00 at the cheapest listing, Reverse Holofoil printing, updated Oct 18, 2026. Full price history since Jul 12, 2024 below.

Market price · Reverse Holofoil · Oct 18, 2026
$13.54
+1.0% this week · −0.3% in 30 days
Buy on eBay →
1 day0.0%
7 days+1.0%
30 days−0.3%
90 days−2.6%
1 year−10.5%
All time−72.9%

Sellers right now

$10.00lowest listing$17.66highest
Market price$13.54
Mid listing$13.85
30-day avg$13.64

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$13.54

One year

$12.2752-week low$15.1952-week high
In the range43%
All-time low$12.27
All-time high$50.49
First priceJul 12, 2024
Reverse Holofoil · market price
$12.17$12.80$13.43$14.06
$13.54
Jul 20Aug 19Sep 18Oct 18
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Professor's Research [Professor Sada] - 189/198 was released in October 2026. Launch-week prices are left out here: before supply arrives they are mostly guesses. The cheapest listing right now is $10.00, and the 30-day average market price is $13.64.

Printings

PrintingMarketLowHigh7d
Reverse Holofoil$13.54$10.00$17.66+1.0%

The card in play

Type
Supporter
Ability

Discard your hand and draw 7 cards.

Other printings of Professor's Research [Professor Sada]

6 more · $0.14 – $13.54
All printings
Professor's Research [Professor Sada] - 240/198 (240/198), Scarlet & Violet Base Set — Pokémon card price +3.6% 7d Professor's Research [Professor Sada] - 240/198 SV01: Scarlet & Violet Base Set · #240/198 $2.57 Professor's Research [Professor Sada] - 189/198 (189/198), Prize Pack Series Cards — Pokémon card price +4.2% 7d Professor's Research [Professor Sada] - 189/198 Prize Pack Series Cards · #189/198 $0.50 Professor's Research [Professor Sada] (155/159), Journey Together — Pokémon card price −3.1% 7d Professor's Research [Professor Sada] SV09: Journey Together · #155/159 $0.31 Professor's Research [Professor Sada] - 189/198 (189/198), Scarlet & Violet Base Set — Pokémon card price −14.3% 7d Professor's Research [Professor Sada] - 189/198 SV01: Scarlet & Violet Base Set · #189/198 $0.30 Professor's Research [Professor Sada] - 087/091 (087/091), Paldean Fates — Pokémon card price +9.1% 7d Professor's Research [Professor Sada] - 087/091 SV: Paldean Fates · #087/091 $0.24

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Prof. Oak's Research (2004-2005) (98/112), Professor Program Promos — Pokémon card price 0.0% 7d Prof. Oak's Research (2004-2005) Professor Program Promos · #98/112 $134.99 Friends in Paldea - 109/131 (109/131), Professor Program Promos — Pokémon card price — 7d Friends in Paldea - 109/131 Professor Program Promos · #109/131 $123.22 Roxanne - 150/189 (2022) (150/189), Professor Program Promos — Pokémon card price 0.0% 7d Roxanne - 150/189 (2022) Professor Program Promos · #150/189 $99.99 Professor Rowan (2007) (112/130), Professor Program Promos — Pokémon card price 0.0% 7d Professor Rowan (2007) Professor Program Promos · #112/130 $90.00 Professor Birch (2006) (82/106), Professor Program Promos — Pokémon card price 0.0% 7d Professor Birch (2006) Professor Program Promos · #82/106 $52.27