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

Pokémon · Prize Pack Series Cards · #189/198 · Rare

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

Pokémon card price for Professor's Research [Professor Sada] - 189/198: $0.50 market, from $0.23 at the cheapest listing, Holofoil printing, updated Oct 20, 2026. Full price history since Feb 8, 2024 below.

Market price · Holofoil · Oct 20, 2026
$0.50
+4.2% this week · +4.2% in 30 days
Buy on eBay →
1 day0.0%
7 days+4.2%
30 days+4.2%
90 days−5.7%
1 year−37.5%
All time+51.5%

Sellers right now

$0.23lowest listing$19.74highest
Market price$0.50
Mid listing$0.50
30-day avg$0.49

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$0.50

One year

$0.4852-week low$0.8152-week high
In the range6%
All-time low$0.25
All-time high$0.92
First priceFeb 8, 2024
Holofoil · market price
$0.46$0.58$0.71$0.83
$0.50
Oct 2025Feb 2026Jun 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Our price record for Professor's Research [Professor Sada] - 189/198 (Holofoil) begins in February 2024 at $0.33; the market price today is $0.50, up 51.5% since then. In the last year the price changed −37.5% and ranged from $0.48 to $0.81, and it now trades near the bottom of that range. The highest price we have recorded is $0.92, 84.0% above today. Listings currently start at $0.23; over the last 30 days the market price averaged $0.49.

Printings

PrintingMarketLowHigh7d
Holofoil$0.50$0.23$19.74+4.2%
Normal$0.16$0.01$19.740.0%

The card in play

Type
Supporter
Ability

Discard your hand and draw 7 cards.

You may play only 1 Supporter card during your turn.

Other printings of Professor's Research [Professor Sada]

6 more · $0.14 – $13.54
All printings
Professor's Research [Professor Sada] - 189/198 (189/198), Professor Program Promos — Pokémon card price +1.0% 7d Professor's Research [Professor Sada] - 189/198 Professor Program Promos · #189/198 $13.54 Professor's Research [Professor Sada] - 240/198 (240/198), Scarlet & Violet Base Set — Pokémon card price −2.8% 7d Professor's Research [Professor Sada] - 240/198 SV01: Scarlet & Violet Base Set · #240/198 $2.48 Professor's Research [Professor Sada] (155/159), Journey Together — Pokémon card price +10.0% 7d Professor's Research [Professor Sada] SV09: Journey Together · #155/159 $0.33 Professor's Research [Professor Sada] - 189/198 (189/198), Scarlet & Violet Base Set — Pokémon card price −11.8% 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 +4.4% 7d Professor's Research [Professor Sada] - 087/091 SV: Paldean Fates · #087/091 $0.24

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