ODDSFLOOR

A free positive EV betting tool, with its record in public

Short answer: OddsFloor is a free positive EV screener. It reads 55+ sportsbooks and betting exchanges, takes each book's margin out, and flags every price above the no-vig fair number with its EV and a fractional-Kelly stake. Free with an account, no card. Paid tiers come later.

Open the free board

What a positive EV bet is, in two lines

A book's two-sided quote adds up to more than 100%. That extra is the margin. Solve it out, and you get the book's own fair price for each side.

Do that for the sharpest books quoting a market, weight them, and you have a fair number. Any book offering a better price than that number is a positive EV bet. You'll still lose a lot of them. The edge shows up over hundreds of bets, not one.

What the tool does

• Prices every market to fair. Six devig methods (power, Shin and worst-case among them), then a weighted consensus of the sharpest books. The math prints on every row.
• Shows the edge and the stake. EV as a percentage, plus a fractional-Kelly stake sized to the bankroll you set.
• Only shows books you can bet at. Pick yours once. Rows from the rest never appear.
• Puts exchanges on the same board. Novig and ProphetX sit next to the sportsbooks. More on that.
• Grades itself in public. Every find at +5% EV or better, at +700 or shorter, before the game starts, is logged by machine at a flat 1 unit and graded against the closing line. Losses show. The record.
• Logs your bets in one tap and measures their closing-line value. The tracker.

What it doesn't do

• It doesn't guarantee anything. Positive EV is an edge on paper. It pays over volume, at prices you actually get, or it doesn't pay.
• It doesn't stop books from limiting you. Books limit winners. No tool changes that.
• It doesn't model games. No projections, no simulators. It prices against the market.
• It doesn't place bets. Each row links to the book. You check the price there and decide.

The one thing to check in any +EV tool

A fair number is only as good as the oldest sharp price inside it. A tool can fetch a price every few seconds and still be reading a number the sharp book moved off minutes ago. Against that stale number, every book that moved looks +EV. None of it is.

So ask two things of any tool, ours included. Does it show how old the sharp price is, not when it last fetched it? Does it publish closing-line value on its own flags? If an edge measures zero at the close, it was never there. Our answer to the second question is the record.

Getting started

1. Make a free account at oddsfloor.com/ev.
2. Pick your books and a bankroll. The stake column sizes itself from that.
3. Sort by edge. Open a row to see how its fair number was built.
4. Check the price at the book before you bet. Lines move.

FAQ

What is a positive EV bet?

A bet where the price a book offers is better than the market's fair price for the same outcome. Take the margin out of a two-sided quote, build a fair number from the sharpest books, and any price above it has positive expected value. You still lose plenty of those bets. The edge shows up over many of them, not on one.

Is there a free positive EV betting tool?

Yes. OddsFloor is free with an account and needs no card. It reads 55+ sportsbooks and betting exchanges, flags every price above the no-vig fair number, and shows the EV and a fractional-Kelly stake on each row. Paid tiers come later.

Is a positive EV bet a sure thing?

No. Positive EV is an edge on paper, and it only pays over a large number of bets at prices you actually get. Lines move, books limit winners, and a fair number built from a stale sharp price is no edge at all. That's why OddsFloor grades its own finds against the closing line in public.

How is the fair number built?

Each book's two-sided quote is devigged with standard methods (power, Shin and worst-case among them). The fair number is a weighted consensus of the sharpest books quoting that market. A price above it is flagged with its EV and a fractional-Kelly stake, and the arithmetic prints on the row.

More: how OddsFloor compares with the paid screeners · the calculators · about OddsFloor