TICKERMINT

Professor Cozmo's Discovery

Uncommon · #89/110

Professor Cozmo's Discovery #89/110 (EX Holon Phantoms) is worth about $7.03 today for a Reverse Holofoil copy, the TCGplayer market price for any condition as of 2026-10-27, flat over 30 days. Non-holo copies are $0.52.

This card has 2 printings (TCGplayer market, 2026-10-27): Reverse Holofoil $7.03 (this page), Normal $0.52 (on this page's chart).

price trend and the high since we began tracking: more ↓

Professor Cozmo's Discovery #89/110 is holding steady: $7.03 today, flat over 30 days and 12% below its high of $7.95 (2025-11-02), the highest since we began tracking (2024-02-08), and 6.2x its low of $1.13 (2025-04-13). TCGplayer market price as of 2026-10-27, tracked daily since 2024-02-08. chart →

illustrated by Ken Sugimori

Price data for your app or store: API and daily history since 2024 · CSV download

$7.03
▲ 0.1% · 30d
Reverse Holofoil · TCGplayer market · daily · any condition ↗
condition prices from JustTCG listings, as of 2026-10-27
condition prices as of 2026-10-27; the chart and boards use the daily product tape
LOADING TAPE

WORTH GRADING?

WHERE TO BUY AND SELL

TCGplayer
$2.50
lowest listing · market $7.03
buy on TCGplayer ↗
eBay · raw
no listings
no scan yet
shop active ↗ · sold ↗
eBay · PSA 10
no graded listings
no graded asks in the last scan
PSA 10 sold listings ↗
Buy-side estimate
$7.03
THIN
a patient buyer pays about $7.03 delivered, from live asks, not sales
show the work →
TCGplayer only, no eBay scan yet
TCGplayer market$7.03verify ↗
TCGplayer lowest ask$2.50
Single source: TCGplayer market (no usable eBay asks in the last scan).
sell to a card shop: $4.92 cash · $5.62 store credit · about 70% / 80% of market
The verdict · premium
Cards 3-15% off their high after a flat month were higher 90 days later 70% of the time in our archive since 2024 (52,607 cases). That rate is mostly the 202448 to 5877 to 86marketplace fees of about 13% most short holds lose money. Use it to time a sale, not to flip.
The median move, the verdict and the grade-worthy math: try Premium free for 7 days →
GAME DATA[ + ] SHOW
CARD TYPE
Supporter
CARD TEXT
You can play only one supporter card each turn. When you play this card, put it next to your Active Pokemon. When your turn ends, discard this card. Flip a coin. If heads, draw the bottom 3 cards of your deck. If tails, draw the top 2 cards of your deck.

MORE BY KEN SUGIMORI

FULL CATALOG →

MORE FROM EX HOLON PHANTOMS

FULL SET →

PRICE FAQ

What would a card shop pay for Professor Cozmo's Discovery?

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Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $7.03 market price that is roughly $4.92 cash or $5.62 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.

What is Professor Cozmo's Discovery (EX Holon Phantoms) worth today?

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Professor Cozmo's Discovery [Reverse Holofoil] has a TCGplayer market price of $7.03 as of 2026-10-27. Non-holo copies are $0.52.

Is Professor Cozmo's Discovery going up or down in price?

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Professor Cozmo's Discovery #89/110 is holding steady: $7.03 today, flat over 30 days and 12% below its high of $7.95 (2025-11-02), the highest since we began tracking (2024-02-08), and 6.2x its low of $1.13 (2025-04-13). TCGplayer market price as of 2026-10-27, tracked daily since 2024-02-08. Other windows: up 0.1% over 7 days, down 2.2% over 90 days, up 17.8% over a year.

What is the all-time high price for Professor Cozmo's Discovery?

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TickerMint began tracking Pokemon prices on 2024-02-08, after Professor Cozmo's Discovery came out, so these are the highest and lowest prices since we began tracking (2024-02-08), not all-time records. In TickerMint's daily data (since February 2024), the TCGplayer market price for Professor Cozmo's Discovery [Reverse Holofoil] (all conditions) peaked at $7.95 (2025-11-02) and bottomed at $1.13 (2025-04-13).

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