Ranked trade figures (5)

I believe the answer is:

rated

I'm a little stuck... Click here to teach me more about this clue!

'ranked' is the definition.
('rate' can be a synonym of 'rank')

'trade figures' is the wordplay.
'trade' anagrams to 'RATED'.
But, I'm not sure how this is indicated.

Can you help me to learn more?

(Other definitions for rated that I've seen before include "Castigated" , "given a dressing-down" , "Adjudged" , "Admired" , "Trade (anag.)" .)

I've seen this clue in the Sydney Morning Herald.

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