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

Prize Pack Series Cards • Rare • Holofoil

All 11 printings from $0.13 →

No sales in the last 7 days

$0.47as of Oct 31, 2026↓ -$0.03 (-6.0%) this week

Buy on TCGplayer Listings from $0.23

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Sales & Velocity

As of 2026-10-31

Thin market: fewer than 5 sales in the last 7 days

Sold (7d / 30d)

0 / 2

NM sold between (7d)

—

Cheapest listing

$0.23

Units sold per day, Aug 28–Oct 21 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Aug 28	1	$0.24–$0.24
Aug 30	2	$0.74–$0.74
Sep 20	1	$0.39–$0.39
Sep 21	1	$1.06–$1.06
Sep 23	1	$0.25–$0.25
Sep 28	1	$0.25–$0.25
Oct 21	2	$0.49–$0.49

Condition	Sold 7d	Sold 30d
Lightly Played	0	0
Near Mint	0	2
Moderately Played	0	0

Sales data: TCGplayer

Quick answers

How much is Professor's Research [Professor Sada] - 189/198 worth?

As of October 31, 2026, Professor's Research [Professor Sada] - 189/198 from Prize Pack Series Cards has a TCGplayer market price of $0.47.

Is Professor's Research [Professor Sada] - 189/198 going up or down in price?

Its TCGplayer market price is down 4.1% over the past 30 days and down 6.0% over the past week, as of October 31, 2026.

How can I track the price of Professor's Research [Professor Sada] - 189/198?

Set a free price alert on this page: enter your email and a target price, and The Lab TCG emails you when the TCGplayer market price falls to it. Prices are checked every night, and no account is needed.

Price Snapshot

Market

$0.47

Low

$0.23

Mid

$0.50

High

$19.68

7-Day:-$0.03 (-6.0%)

30-Day:-$0.02 (-4.1%)

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market price	Price	Usually means
50%	$0.24	Cash buylist, low end
60%	$0.28	Cash buylist, typical
70%	$0.33	Buylist top end, store credit
80%	$0.38	Bulk lot or quick sale
90%	$0.42	Quick sale, just under market
100%	$0.47	Market price
110%	$0.52	Asking price, room to negotiate
120%	$0.56	Asking price, room to negotiate
150%	$0.71	Presale and hype pricing

Your price (USD)

$

Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Supporter

Discard your hand and draw 7 cards.

You may play only 1 Supporter card during your turn.

Where to Buy

TCGPlayerRaw$0.47Raw copies, condition graded by the marketplace

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