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Check your printing9 different Ariados printings exist — is this your card? Mysterious Treasures #20
Ariados Mysterious Treasures #20 Pokémon card
Rare

Ariados

Mysterious Treasures · 20/123 · Illustrated by Midori Harada
80 HPGrassPokémonStage 1

Market value · ungraded · Normal

$0.54 1.9% · 30d
Confidencehigh
Range$1$1
Sold prices, not asking. TCGplayer + Cardmarket. Updated 20 August 2026. 2 sources agree within 8%. Estimate, not an appraisalhow we price →

What's your copy worth?

What's your copy worth?
Not sure which condition? Grade it from a photo
Estimated value · Near Mint
$0.54

Grade it or not

NOT WORTH IT

Based on 0 graded sales and 1,305,862 pop-report entries for a near-mint copy.

See the numbers — Trader plan and above

Buy this card

ViewingRaw / ungraded (this page)Reverse Holo price

Is it worth it?

An AI market read of this card — value, momentum, grading economics, liquidity. It lays out the data; you decide.

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Ariados is a Rare Pokémon card from Mysterious Treasures (#20), illustrated by Midori Harada. It's a Stage 1 Grass-type Pokémon with 80 HP, evolving from Spinarak, weak to Fire +20. Its current blended market value is $0.54 ungraded, with a PSA 10 worth around $59 — a gem-mint grading premium of roughly 108× the raw value. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.

Prices last updated 20 August 2026.

The receipts

Price history · Raw

1 Sept 202320 Aug 2026
Latest
$0.54
Period high
$2.69
Period low
$0.53
Change
64.2%
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Recent sold prices

No recent sold listings tracked.

Should you grade it?

$61

Expected return across every likely grade, after fees — the realistic average, not the best case. Only 5.8% of copies gem (PSA 10 best case $13); most land at PSA 9 or below.

Gem rate (est.)5.8%
Expected return$61
PSA 10 best case$13
VerdictNot worth it

The odds

Ariados is a Rare in Mysterious Treasures — the pack's hit slot lands on Rare 67% of the time, split across 23 rare cards in the set, so pulling this exact card is roughly 1 in 34 packs.

Rare67%23 cards
PSA 10 (gem mint)0%0 of 6
PSA 950%3 of 6
PSA graded so far6
Gem Mint 100
Total graded6

Estimates only. Pack odds come from CardTrack's pack model (the same one behind the pack simulator) — not an official rate. Grading odds are the real cumulative PSA population, which skews toward nicer, resubmitted copies, so it overstates the true first-submission gem rate. Full grade-by-grade breakdown below.

Grade-by-grade ROI & risk-adjusted outcomesNet vs raw per target grade, plus the probability-weighted distribution
Target gradeEst. valueGrading feeNet vs rawMultiple
PSA 10$58.53$71$13108.4×

⚖️ Risk-adjusted return

Best case isn't the whole story. Weighting every grade by how often it actually happens, across 240 PSA-graded copies:

Likely outcomeChanceValue
PSA 105.8%$59.00
PSA 926.7%$23.00
PSA ≤867.5%$1.00

Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Gem rate is estimated from cumulative PSA population, which skews toward nicer, resubmitted copies — so it overstates the true grade rate. Treat it as a guide, not a guarantee.

Population across gradersPSA, CGC & BGS — every grade, with gem rates

Only 0% of 6 PSA-graded Ariados copies are a gem-mint 10 (0 of 6) — the rest grade lower.

PSA6 gradedPSA 10 · 0 · 0% gem
93
81
71
61
CGC240 gradedCGC 10 · 14 · 6% gem
1014
9.58
964
8.562
848

Real graded population from PSA, CGC & BGS — a lower gem rate means a Ariados 10 is harder to pull.

Copies for sale right now

Check recent sold prices

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All grades & conditions

Every grade we pricePSA / CGC / BGS ladder with per-grade population
Graded prices
Ungraded (raw)$0.53
PSA graded price estimates by grade
GradeRelative valuePrice
PSA 10$59$59$59
“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.
Raw condition ladderNM → damaged, with real sold medians where we have them
Raw price by condition
Reverse Holofoil · live market via TCGplayer
NMNear Mint$0.54
MPModerately Played$0.22
HPHeavily Played$0.15
7-day 35.2%
30-day 37.1%
90-day 51.9%
All-time high$1
All-time low$0
Other printingsNormal · $0.52
What NM / LP / MP actually mean — and how much they cost
Price by printingBase vs reverse holo vs 1st edition — priced separately

Price by variant

Reverse Holo$2
Normal$1

TCGplayer market price per printing — reverse holo, 1st edition and unlimited often differ sharply.

Market dataCross-market spread, EU price, momentum & community buzz

Cross-market prices

8% spread
Cardmarket · cheapest$1
TCGplayer · dearest$1

Currently 8% cheaper on Cardmarket than TCGplayer. These are independent market prices for the same card — a wide gap can mean a buying opportunity. Informational only, not arbitrage advice.

Market signal

Momentum · 30dFlat +2%
Cross-marketMarkets agree 8% gap

Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.

🇪🇺 Cardmarket price · Europe

7% cheaper than the US
Cardmarket · Europe's largest card market$1
Card textAttacks, abilities, weakness / resistance / retreat

Evolves from Spinarak.

StickyPoké-Body

The Retreat Cost for each player's Pokémon (excluding Ariados) is Colorless more.

Offensive Needle20
Grass · Colorless

Flip a coin. If heads, the Defending Pokémon is now Poisoned. If tails, the Defending Pokémon is now Paralyzed.

Weakness Fire +20Retreat 1

It attaches silk to its prey and sets it free. Later, it tracks the silk to the prey and its friends.

About the PokémonSpecies, generation, evolution line
Long Leg PokémonGEN IISpinarakAriados

It spins string not only from its rear but also from its mouth. It is hard to tell which end is which.

Card detailsSet, rarity, artist, Pokédex & specs
Number#20
RarityRare
SupertypePokémon
SubtypesStage 1
TypeGrass
HP80
Evolves fromSpinarak
WeaknessFire +20
Retreat cost1
National Pokédex#168
Card IDdp2-20
SourceAggregated marketplaces

Other Ariados cards

There are 9 different Ariados printings — make sure you're valuing the right one. This is Mysterious Treasures #20 (Rare).

More from Mysterious Treasures

Frequently asked questions

How much is Ariados (Mysterious Treasures #20) worth?

As of 20 August 2026, Ariados from Mysterious Treasures is worth approximately $0.54 ungraded (near-mint), and around $59 in PSA 10 gem mint. Values are blended from real Cardmarket, eBay sold and TCGplayer prices and update daily.

What is the PSA 10 price for Ariados?

A PSA 10 (gem mint) Ariados from Mysterious Treasures is worth around $59 — roughly 108× the raw ungraded value of $0.54.

Should I grade my Ariados?

A PSA 10 sells for about $59 versus $0.54 raw — roughly a 108× uplift. Grading is worth it when that premium comfortably beats the grading fee and the card is clean enough to have a real shot at a 10. See the "Should you grade it?" estimate above for net profit per grade.

Is Ariados rare?

Ariados is a Rare card from Mysterious Treasures (card #20), illustrated by Midori Harada. Its current blended market value is $0.54 ungraded.

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Citation
Ariados (Mysterious Treasures #20) — Pokémon market value $0.54, PSA 10 $58.53. Source: CardTrack, https://cardtrack.com/pokemon/card/mysterious-treasures/ariados-20
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