Professor Oak's New Theory

HeartGold Collection · #68/70 · Uncommon · 2009JPN

$5.50

Market price ▲ 0.0% (1Y)

Prices as of Jul 26, 2026

40graded pop

68%gem rate

15.0×PSA 10 vs raw

-26%off ATH $2.67 · Mar 2026

+$34.06EV to grade — worth it

Price history

1st Edition · Mirror Holofoil▲ 0.0% 7d$5.50

Low $2.99Mid $5.50High $8.00

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Graded values

updated 2026-07-26

Grade 6 est.$1.89

Grade 5 est.$1.59

Grade 4 est.$1.31

Grade 3 est.$1.09

Grade 2 est.$0.90

Grade 1 est.$0.76

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$82.65

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-08

PSA35 graded · 22 gem 10

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CGC5 graded · 5 gem 10

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Population data from PriceCharting, updated monthly.

How much is Professor Oak's New Theory #68/70 worth?

Professor Oak's New Theory #68/70 is a Uncommon Japanese card from HeartGold Collection (2009) — today it trades at roughly $5.50 ungraded.

Grading changes the math on this one: a PSA 10 is valued around $82.65, roughly 15.0x the raw price, while a PSA 9 sits near $26.99. 35 copies have been graded to date, and 63% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.