Is it worth grading Koraidon ex - 247/198?

SV01: Scarlet & Violet Base Set · 247/198

Yes — if it grades 10. A 9 loses money at current prices. You need the 10. 9s are pooled across graders here — PriceCharting has no PSA-9-only figure.
RAW NOW$21.80TCGplayer market
PSA 10 SOLD$130.0031 completed sales
Grade 9 SOLD$30.7620 completed sales · mixed graders
IF IT GRADES 10+$83after $25 fee

A raw Koraidon ex - 247/198 from SV01: Scarlet & Violet Base Set currently sells for about $21.80. Across 31 completed eBay sales, a PSA 10 has a median price of $130.00. After a $25 grading fee, a 10 would net roughly $83.20. But a Grade 9 (mixed graders) has a median of $30.76 across 20 sales — which works out to −$16.04 after fees. A 9 loses money at current prices. You need the 10. 9s are pooled across graders here — PriceCharting has no PSA-9-only figure.

Every grade, with the sales behind it

GRADEMEDIANSALES ON RECORD
PSA10$130.0031 sales
CGC10P$122.257 sales
CGC10$60.009 sales
TAG10$110.008 sales
ACE10$62.307 sales
GRADE9.5$28.7510 sales
GRADE9$30.7620 sales
GRADE8$22.488 sales
GRADE7$17.103 sales

Now find a raw one to buy

Knowing a card is worth grading is the easy half. PokeSnipez watches eBay around the clock and flags raw copies of this card closing below market — so you can actually make the trade, not just read about it.

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Every figure on this page is an observed number. Raw prices come from TCGplayer; graded medians are completed eBay sales, shown with the sale count behind each one. We don't estimate, model, or fill in gaps — if a grade has no sales on record, it isn't listed. Grading outcomes are not guaranteed: most raw cards do not come back a 10, which is exactly why the 9-grade number is on this page. Where PriceCharting has no PSA-9-only figure we show its pooled 9 — PSA, BGS, CGC and SGC together — and label it as such rather than call it a PSA 9.