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PSA 10: Median of 3 sales, last 45 days · newest Oct 26, 2026 · checked Oct 27, 2026
PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-10-08. Grade 9 guide (all graders): $35.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Misty's Psyduck (Gym Challenge #90) at $7.95 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 78.6x.
A PSA 10 Misty's Psyduck (Gym Challenge #90) is currently shown at $625, the median of 3 PSA 10 sales in the last 45 days (newest Oct 26, 2026).
GemDelta records a 16.0% gem rate for Misty's Psyduck (Gym Challenge #90), with 35 PSA 10 copies out of 219 total PSA grades and a 78.6x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 26, 2026 | 2000 Pokemon Gym Challenge Misty's Psyduck #90 PSA 10 GEM MINT FIXED [Fanatics] | $750.00 |
| Oct 18, 2026 | Pokemon Misty's Psyduck Gym Challenge Unlimited 90/132 PSA 10 Gem Mint 90/132 | $625.07 |
| Oct 17, 2026 | 2000 POKEMON GYM CHALLENGE #90 MISTY'S PSYDUCK PSA 10 #90 | $510.00 |
| Jul 30, 2026 | 2000 POKEMON GYM CHALLENGE #90 MISTY'S PSYDUCK PSA 10 #90 | $599.00 |
| May 10, 2026 | Pokemon Misty's Psyduck Gym Challenge Unlimited #90 PSA 10 Gem Mint | $300.00 |