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Koraidon [Staff] #91 Pokémon card from Promo

Koraidon [Staff] #91

Promo

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Koraidon [Staff] #91 from Promo currently trades at $25.00 raw, with PSA 10 copies reaching $389.75 — a 15.6x grade premium. The card has moved down 8.7% over the past 30 days and down 16.6% over 90 days, suggesting continued softness.
Current Prices (USD)
Ungraded
$25.00
PSA 7
$35.00
PSA 8
$35.00
PSA 9
$39.00
PSA 10
$389.75
ACE 10
—
BGS 10 Black
$2,535.00
CGC 10 Pristine
$421.00
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Raw Price Trend
7d
+0.0%
30d
-8.7%
90d
-16.6%
180d
+9.9%
1y
-15.4%
2y
—
5y
—

Quick price facts

Koraidon [Staff] #91 from Promo has a current raw market value of $25.00.

Current raw value
$25.00
PSA 9 value
$39.00
PSA 10 value
$390
Raw value 30d
-8.7%
PSA 10 premium vs raw
15.6× raw
View all cards from Promo →
Collector Intel
15.6x
Raw → PSA 10
High-risk grade
1.6x
Raw → PSA 9
Grade multiplier
-8.7%
30d Price Move
Falling
Steady
Price Stability
0.0% swing this week

Calculated from price history, PSA population data, and market trends. Not financial advice.

Grading Calculator

Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.

⚠️ High-variance grade. PSA 10 is 16x the raw price. The expected value accounts for the realistic probability.
$25
Buy Raw
~$25
Grading Fee
PSA Standard
$390
PSA 10 Value
+$340
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$391.6x raw
PSA 10$39015.6x raw

Frequently asked questions

How much is Koraidon [Staff] #91 from Promo worth?+
Koraidon [Staff] #91 from Promo is currently worth Raw: $25.00, PSA 9: $39.00, PSA 10: $390 based on recent sold listings. Prices update daily from real eBay sales.
Is Koraidon [Staff] #91 worth grading?+
The PSA 10 price of $390 is 15.6× the raw price of $25.00. After a ~$25 grading fee, a PSA 10 result would net approximately $365 — assuming the card grades a 10.
Where do PokePrices Koraidon [Staff] #91 prices come from?+
Prices are tracked nightly from real sold listings on PriceCharting (raw, PSA 9 and PSA 10). PSA population data is sourced from PSA's public reports. We do not use asking prices — only confirmed sales.

Recent verified sales

Find this card on eBay →Affiliate · we may earn commission
  • 15 Sep 2026Raw
    ebaycompleted-auctions-usednear mint
    $25.00
    best offer accepted
  • 31 Aug 2026Graded
    ebaycompleted-auctions-gradedunknown
    $19.88
  • 15 Aug 2026PSA PSA 10
    ebaycompleted-auctions-manual-onlyunknown
    $599.00
  • 16 Jul 2026PSA PSA 10
    ebaycompleted-auctions-manual-onlyunknown
    $180.50
  • 7 Jul 2026Raw
    ebaycompleted-auctions-usednear mint
    $24.99