Supremacy
The extent to which one competitor will
beat another is the basis for the next category of spread
bets. Take for instance a tennis match between Agassi
and Henman. Here you may see a quote expressed as Henman
/ Agassi 3 – 4.
This quote has been measured in games. If however,
you think that Agassi will win by more than 4 games
you would ‘buy’ at 4. if the match goes
6 – 4, 6 – 4, 6 – 3, Agassi has achieved
a supremacy of seven games. You would therefore win
the difference between seven and four multiplied by
your stake. If Agassi lost by three games his supremacy
would amount to minus 3 and you would lose the difference
between four and minus three (7) multiplied by your
stake.
Here you may come across a quote of -0.5c. The c stands
for ‘your choice’ and offers you the chance
to buy either of the named competitors at -0.5. This
occurs only when both competitors are rated as having
an equal chance. As you cannot sell either competitor,
buying their opponent is effectively the same.

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