Tools
Ever find out the number moved after you already bet it?
These are the tools that stop that happening. Each one answers a single question, free, no login, no account.
The boardWhere the books are wrong todayEvery line on the board currently posted at a better price than the market's own fair number, biggest gap first, with the book carrying it. If nothing clears the bar, the board says so.Open →Book report cardWhich book actually has the best numberEveryone advertises the best odds. This is the tally: every time the board checked a price, one book was paying more, and we count it.Open →Start/sitWhich of these two do I start?Put two to four players side by side and get the answer with the probability behind it: projection, floor, ceiling, the matchup and the games each number rests on. Your league's scoring, no login.Open →The recordBig Mike's card, graded in publicWin rate, units and every graded pick since the first one. The moneyline board is the headline; props, spreads and totals keep their own boards and never get folded in.Open →
By league
The same tools, narrowed to the league you actually bet.
Boards
The shop itself: every book’s number on the players and the games, plus the offers running right now.
Calculators
The math behind a price, worked out for you.
Odds ConverterAmerican to decimal to implied probability, instantly. The implied number is the one that matters: it's the win rate you need just to break even.Parlay CalculatorEnter each leg, get the combined odds and payout. Then look at what the combined implied probability says about your chances.EV CalculatorThe only number that matters long-term. Enter the price and your true win probability; the calculator tells you who has the edge.Kelly CalculatorHow much to bet when you have an edge. Full Kelly maximizes long-run growth; almost everyone should bet a fraction of it.Hedge CalculatorYour futures ticket is live and the other side is priced. This tells you the exact stake that locks the same profit whichever way it lands.Hold CalculatorEnter both sides of a market and see the book's cut — plus what the fair, no-vig price would be. This is the math Big Mike runs on every line.Closing Line ValueThe result of one bet tells you almost nothing. The price you got against the price the market closed at tells you whether the bet was any good, before the ball is even thrown.
How the numbers are built
Every figure on these pages comes off the same board and the same settled rows, so no two pages can disagree. Read the methodology → or start with the terms →.
Get Big Mike
The tools show the gaps. He calls the play.
Get tomorrow’s 11am textFree for 7 days on the App StoreHis whole board live, your bets graded against the close, and the best number on every play. 61.4% on the moneyline board · 655 picks graded in public.