Every Orthworm card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Orthworm card is worth
The most valuable Orthworm on this list is Orthworm from Paldea Evolved at $6.63£4.99€5.84, and the 7 priced copies across 5 sets are worth $10£7€9 together. Most of that sits in a handful of printings: the older the set and the scarcer the print run, the wider the gap to the rest.
Orthworm is printed in Japanese as well: 6 cards across 4 sets, the most valuable of them Orthworm ex from Start Deck 100 Battle Collection at $2.99£2.25€2.63. Switch the list above to Japanese to read those, or to Both to rank the two catalogues against each other.
The highest PSA 10 on record for Orthworm sold for $164.06£123.48€144.48. reverse holo printings are priced separately from the standard card, because they do not trade at the same money. Rarities here include Illustration Rare.
If you are trying to identify which Orthworm you have, the set name is printed on the card and the collector number sits in the bottom corner. Open the card here and the page carries every printing of it, the graded prices, and whether grading the copy is worth the fee. Sets to start with: Paldea Evolved, Stellar Crown, Miscellaneous Cards & Products.