Type of betting odds looked at (6)

I believe the answer is:

spread

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'type of betting' is the definition.
(I've seen this before)

'odds looked at' is the wordplay.
'odds' becomes 'sp' (betting abbreviation for starting price).
'looked at' becomes 'read' (I am not sure about this - if you are sure you should believe this answer much more).
'sp'+'read'='SPREAD'

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(Other definitions for spread that I've seen before include "American farm" , "Land in America" , "Extend - banquet" , "Scatter - padres (anag)" , "Soft paste; large meal" .)

I've seen this clue in The Telegraph.

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