Betting price (4)
I believe the answer is:
odds
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">betting price</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for odds that I've seen before include "Chances, probability" , "Betting price" , "prices" , "inequality" , "Ratios set by bookies" .)