Print Story Huge Fun with Betting Exchanges (or: Thank You, Gary Megson)
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By leviramsey (Sun Nov 25, 2007 at 05:09:08 PM EST) football, soccer, betting, betfair, quant (all tags)

Positions in the "to win the Premier League" market from last time, along with current prices (buy prices rounded up, sell prices rounded down; prices quoted from Betfair on the 0-100 scale at $10 per contract)

  • CHELSEA: short 351 contracts (avg price 19.5): buy price is now 18.2 => paper profit of $45.63
  • MAN UTD: short 236 contracts (avg price 31.6): buy price is now 36.0 => paper loss of $103.84
  • ARSENAL: long 79 contracts (avg price 23.3): sell price is now 32.2 => paper profit of $70.31
  • NEWCASTLE: long 50 contracts (avg price 0.6): UNPRICED => paper loss of $3.00
  • VILLA: long 212 contracts (avg price 0.3): sell price is now 0.1 => paper loss of $4.24
  • BLACKBURN: long 230 contracts (avg price 0.3): sell price is now 0.1 => paper loss of $4.60
  • LIVERPOOL: short 380 contracts (avg price 14.5): buy price is now 12.2 => paper profit of $87.40
  • MAN CITY: long 76 contracts (avg price 0.9): sell price is now 0.7 => paper loss of $1.52
  • WEST HAM: long 76 contracts (avg price 0.2): UNPRICED => paper loss of $1.52
  • PORTSMOUTH: long 81 contracts (avg price 0.2): sell price is now 0.1 => paper loss of $0.81

Net paper profit: $85.33



I'm in a hurry since I'll be spending the next couple of weeks in Vermont converting over a recently acquired chain of pharmacies to the systems of their new corporate overlords. Thus this column will be brief, and there might not be an update next week.

SELL 20 MAN UTD at 35.7

BUY 5 ARSENAL at 32.8

SELL 41 CHELSEA at 17.8

SELL 61 LIVERPOOL at 11.9

BUY 12 MAN CITY at 0.9

BUY 30 VILLA at 0.2

BUY 30 PORTSMOUTH at 0.2

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