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PSA 10: Median of 4 sales, last 45 days · newest Oct 15, 2026 · checked Oct 27, 2026
PSA 9: Median of 4 PSA 9 sales in the last 90 days, latest 2026-10-10. Grade 9 guide (all graders): $33.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Misty's Poliwag (Gym Challenge #89) at $4.03 market price (TCGplayer market). Its Delta multiple is 65.1x.
A PSA 10 Misty's Poliwag (Gym Challenge #89) is currently shown at $263, the median of 4 PSA 10 sales in the last 45 days (newest Oct 15, 2026).
GemDelta records a 36.5% gem rate for Misty's Poliwag (Gym Challenge #89), with 191 PSA 10 copies out of 523 total PSA grades and a 65.1x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 15, 2026 | 2000 Pokemon Gym Challenge 1st Edition Misty's Poliwag #89 PSA 10 GEM MINT FIXED [Fanatics] | $265.00 |
| Oct 3, 2026 | Pokemon Misty's Poliwag 89/132 1st Edition Gym Challenge 2000 PSA 10 Gem Mint 89/132 | $260.00 |
| Sep 25, 2026 | Pokemon Gym Challenge Misty's Poliwag 1st Ed 89/132 PSA 10 89/132 | $250.00 |
| Sep 13, 2026 | 2000 Pokemon Gym Challenge Misty's Poliwag #89/132 1st Ed PSA 10 89/132 | $306.00 |
| Jul 4, 2026 | Pokemon PSA 10 Misty's Poliwag 89/132 1st Edition Gym Challenge 2000 English 89/132 | $270.00 |