Fair odds
How to remove sportsbook vig from odds
A worked no-vig probability example, the limits of a two-way model, and how NetArbs uses fair prices to compare books.
Read the guide →NetArbs learning center
Make sense of the price before the pick.
These guides show the math behind the odds board, DFS Studio and the cross-exchange scanner. Each uses a worked example, explains the assumptions, and points to the part of NetArbs that applies it.
Expected value
What makes a bet positive expected value?
Calculate break-even probability and expected value from a price, then see why a model edge still needs fresh lines and enough market support.
Read the guide →DFS Studio
How to price DFS pick’em player props
Compare a pick’em prop with matching sportsbook lines, remove the vig, and account for the app’s payout and slip structure.
Read the guide →Prediction markets
Kalshi and Polymarket arbitrage: a practical checklist
Understand paired YES/NO prices, exchange fees, settlement mismatch, liquidity and execution risk before treating a spread as arbitrage.
Read the guide →Put the examples beside real prices
The public odds board shows current sportsbook prices. The free beta adds DFS Studio and the prediction-market terminal.