Type the American odds your sportsbook shows for every outcome. See the vig you pay, the fair price without it, and what the same outcome costs on Onsides, fee included.
Your sportsbook’s line
Stays in your browser
American odds as your sportsbook shows them, for every outcome: −150, +130. We don’t fetch, store or show anyone else’s prices.
What that line costs you
Vig you pay3.48%The implied chances add up to 103.5%, not 100%. The extra is the house margin built into the line.
Outcome
Your line
Implied
Fair (mult.)
Fair (power)
Boston College Eagles wins
−150
60.0%
58.0%
58.4%
Duke Blue Devils wins
+130
43.5%
42.0%
41.6%
Fair (mult.) scales every implied chance down by the same factor. Fair (power) takes more of the margin off long shots, where books usually put it. Neither is a promise; both are estimates of the line without the vig.
Boston College Eagles winsNothing on offer on Onsides right now.
Duke Blue Devils winsNothing on offer on Onsides right now.
Onsides all-in uses the live best offer and our published taker fee for your size. A bigger size can walk the book; the ticket itemizes any slippage before you trade. Simulated money.