Pokemon Card Value

Professor Oak's New Theory

HeartGold Collection · #68 · Japanese

Current market price

$0.96

▼ Trending down 11% vs 30-day average

CardMarket Europe, last sales

Trend

$0.96

Low

$0.43

7-day avg

$0.98

30-day avg

$1.08

Based on current CardMarket data, Professor Oak's New Theory from HeartGold Collection trades around $0.96, with recent listings between $0.43 - $1.08. Prices refresh daily from real marketplace sales.

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Graded prices

Median eBay sold listings (US)

Unlimited

Grade	Price
Raw / ungraded	$2.67
PSA 10	$82.65
BGS 10	$107.00
CGC 10	$66.00
SGC 10	$50.00

Is it worth grading?

Raw / ungraded

$2.67

→

PSA 10

$82.65

31.0x

Raw, Professor Oak's New Theory sells for about $2.67. A PSA 10 sells for around $82.65, roughly 31.0x the raw price. If your copy looks mint, grading can pay off; below PSA 10 the premium shrinks fast, so grade only clean, well-centered cards.

Frequently asked questions

How much is Professor Oak's New Theory worth?

Professor Oak's New Theory from HeartGold Collection is currently worth about $0.96 based on CardMarket data, with recent listings between $0.43 - $1.08. Prices update daily from real sales.

Is Professor Oak's New Theory worth grading?

Professor Oak's New Theory sells for about $2.67 raw and around $82.65 in PSA 10. Grading makes sense when the gem-mint premium clearly beats the grading cost and wait.

Where can I sell Professor Oak's New Theory?

You can sell Professor Oak's New Theory on CardMarket (Europe), eBay or TCGplayer. Scan it with CardBeast to get the exact sold price and list in one tap.