Juice
Juice is the common sportsbook-slang name for vig — the margin a sportsbook builds into a two-sided price.
Worked example
Laying -110 to win $100 on a true coin-flip bet, instead of even money, is the juice: both -110 sides imply 52.38%, which adds up to 104.76%, or 4.76% of juice.
Right now on BeatVig
Right now, across 2197 live two-sided quotes BeatVig prices, the typical sportsbook charges 7.64% vig and the typical prediction-market spread is 8.01%.
In short
Juice is the common sportsbook-slang name for vig — the margin a sportsbook builds into a two-sided price. Laying -110 to win $100 on a true coin-flip bet, instead of even money, is the juice: both -110 sides imply 52.38%, which adds up to 104.76%, or 4.76% of juice.
Juice — FAQ
What does juice mean in sports betting?
Juice is another word for vig — the margin built into a sportsbook's two-sided price. Laying -110 to win $100 on a coin-flip bet, instead of even money, is the juice.
Is juice the same thing as vig?
Yes, exactly the same measurement under two names. BeatVig's pages use "vig" as the primary term; "juice" and "hold" describe the same margin.
Does juice change by sport or market?
Yes — the typical margin varies by book, sport and market. BeatVig measures the live median separately for each on Vig by Book, off the current board.