Omastar

151 · #139/165 · Rare · 2023

$12.50
Master Ball · Market price 16.4% (1Y)
Prices as of Jul 26, 2026
HP 150WaterStage 2Art · Akira Komayama
942graded pop
76%gem rate
46.2×PSA 10 vs raw
-38%off ATH $2.09 · Oct 2025
+$8.61EV to grade — marginal

Printings & price history

Master Ball$12.50

Loading chart…

Buy it now on eBay

Loading live listings…

Live from eBay · affiliate links support CardPrice · see recent sold results →

Graded values

updated 2026-07-26
Grade 6 est.$11.88
Grade 5 est.$10.00
Grade 4 est.$8.25
Grade 3 est.$6.88
Grade 2 est.$5.63
Grade 1 est.$4.75

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

Master Ball · PSA 10 price history$68.40

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

Graded population census · updated 2026-07-08

Master Ball
PSA655 graded · 558 gem 10
CGC91 graded · 75 gem 10

Population data from PriceCharting, updated monthly.

Abilities

Primordial Tentacles
As long as this Pokémon is in the Active Spot, your opponent's Active Pokémon can't retreat.

Attacks

90Aqua Split
This attack also does 30 damage to 2 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)

Omastar's sharp fangs could crush rock, but the Pokémon can attack only the prey that come within reach of its tentacles.

How much is Omastar #139/165 worth?

A raw copy of Omastar #139/165 (151, 2023) is worth about $0.29 right now, based on the latest market data from July 26, 2026. Across the 4 printings we track, copies run anywhere from $0.05 to $60.00 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $42.50, roughly 146.6x the raw price, while a PSA 9 sits near $9.70. 655 copies have been graded to date, and 85% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.