Free tool

See the true price behind any line.

Strip the bookmaker's margin out of any 2-way or 3-way market to reveal the fair odds and the hold — the same no-vig math our model runs on every game. Type a price and the answer updates instantly.

American Decimal Fractional

Side A price

Side B price

Side C price — optional, 3-way (e.g. draw)

Fair, no-vig price

Live

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Fair probability = each side's implied probability ÷ the sum of all sides. The fair odds are 1 ÷ that fair probability. Only bet when your price beats the fair price.

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We already priced tonight's games no-vig.

Our model strips the vig from every line and flags the spots where the book is off the fair price. Skip the manual math — see today's value picks free.

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How to remove the vig — in 3 steps

1

Convert to implied probability

Turn each price into its implied chance: 1 ÷ decimal odds. A -110 line is 1.91 decimal, or about a 52.4% implied chance.

2

Add them up — that's the overround

Sum the implied probabilities across every outcome. Two -110 sides total roughly 104.8%. The 4.8% above 100% is the bookmaker's hold.

3

Re-base to 100%

Divide each implied probability by that total so the sides sum to exactly 100%. That's the fair, no-vig probability — and 1 ÷ fair % is the fair price.

Worked example: a -110 / -110 market

The standard two-way line every bettor sees.

Side	Price	Implied %	Fair %
Side A	-110	52.4%	50.0%
Side B	-110	52.4%	50.0%
Total	—	104.8%	100.0%

The book's two sides imply 104.8% — a 4.8% hold. Re-based, each side is a true 50/50, so the fair price is +100 (2.00 decimal). Any time you can back that side at better than +100, you're getting positive expected value.

No-vig — quick answers

What is the vig (juice / hold)?

The bookmaker's built-in margin. Across a market the implied probabilities sum to more than 100% — that excess is the vig, also called juice or the hold.

How do I remove it?

Convert each outcome to its implied probability (1 ÷ decimal odds), add them up, then divide each by that total so they sum to 100%.

What's a typical hold percentage?

A standard two-way market like -110 / -110 holds about 4.5%. Sharper books run 2-3%; softer markets and player props can be 6% or more — which is exactly where edges hide.

Curious what the margin actually runs across whole sports? The Margin Index measures it from a live multi-bookmaker archive and updates every day, sport by sport.

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