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Betfair Exchange: Complete Beginner's Guide

Learn how to use Betfair Exchange for back and lay betting. Understand liquidity, commission, and how exchange betting differs from traditional bookmakers.

1/12/2026
9 min read
by Scorecast Team

What is Betfair Exchange?


Betfair Exchange is a betting platform where you bet against other people, not against a bookmaker. This peer-to-peer model often results in better odds and unique betting opportunities.


Back vs Lay Betting


Back Betting (Traditional)

  • Betting FOR an outcome to happen
  • Same as betting with a bookmaker
  • "I think Team A will win"

  • Lay Betting (Unique to Exchanges)

  • Betting AGAINST an outcome
  • You become the bookmaker
  • "I think Team A will NOT win"

  • How Lay Betting Works


    When you lay a bet, you're accepting someone else's back bet.


    Example: Laying Man United at 2.50


    If someone backs Man United at 2.50 with $100:

  • If Man United **loses or draws**: You win their $100 stake
  • If Man United **wins**: You pay out $150 ($100 × 1.50 profit)

  • Lay Liability = Stake × (Odds - 1)

    $100 × (2.50 - 1) = $150


    Why Use Betfair Exchange?


    1. Better Odds

    No bookmaker margin means odds closer to true probability.


    Typical comparison:| Market | Bookmaker | Exchange ||--------|-----------|----------|| Team A Win | 2.10 | 2.20 || Draw | 3.40 | 3.60 || Team B Win | 3.20 | 3.40 |

    2. Lay Betting

    Can't do this anywhere else! Useful for:

  • Hedging existing bets
  • Trading positions
  • Betting against overpriced favorites

  • 3. In-Play Trading

    Buy and sell positions during matches like stocks.


    Understanding Liquidity


    **Liquidity** = money available to be matched


    High Liquidity Markets

  • English Premier League
  • Champions League
  • Major finals

  • Your bet gets matched instantly at displayed odds.


    Low Liquidity Markets

  • Lower leagues
  • Early markets
  • Obscure sports

  • Might need to accept worse odds or wait for a match.


    Betfair Commission


    Betfair charges commission on net winnings (typically 2-5%).


    Example:
  • Win $100 on a bet
  • 5% commission = $5
  • Net profit = $95

  • Trading on Betfair


    Green Book (Lock in Profit)


    1. Back Team A at 2.50 with $100

    2. Team A scores, odds drop to 1.80

    3. Lay Team A at 1.80 with $139

    4. Guaranteed profit regardless of final result!


    Red Book (Cut Losses)


    Same principle but to minimize losses when a position goes against you.


    Scorecast + Betfair


    Scorecast tracks Betfair Exchange data including:

  • Real-time back/lay prices
  • Matched volume
  • Money flow direction
  • Liquidity levels

  • Use our Betfair Money Flow tool to see where sharp money is going!


    Tips for Exchange Betting


    1. **Start with back bets** - Learn the platform before laying

    2. **Watch the liquidity** - Don't get stuck in illiquid markets

    3. **Understand liability** - Know your maximum loss before laying

    4. **Use the cash out** - Betfair's auto cash out is convenient

    5. **Track your commission tier** - More volume = lower commission


    Conclusion


    Betfair Exchange offers serious bettors better odds and more flexibility. Combined with Scorecast's analytics, you can make more informed exchange betting decisions.


    betfairexchange bettinglay bettingtrading
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