
How to Use a Matched Betting Calculator (with a Real Worked Example)
James Cooper10 min read


Lay betting means betting against an outcome at a betting exchange. Here's how it works, why it's central to matched betting, and a worked example.

We've published definitions for the 30 most-asked terms in UK matched betting, from 'lay bet' and 'free bet' to 'gubbing' and 'implied probability'. The full glossary is at /glossary.

Yes, matched betting is legal in the UK. Here's why, what the Gambling Commission and ASA have actually ruled, and what bookmakers can and can't do.