Question
Does it return decimal odds and implied probability?
Short answerYes. Every prop carries the over and under prices in American and decimal odds, and the move summary reports the price move as no-vig over probability.
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In more detail
Implied probability from American odds: for negative odds, -odds / (-odds + 100); for positive odds, 100 / (odds + 100). Removing the hold divides each side by their sum.