market,outcome,decimal_odds,raw_implied_probability_percent,book_percentage_percent,overround_percent,proportional_no_vig_probability_percent,proportional_no_vig_decimal_odds Two-way symmetric,1,1.91,52.356021,104.712042,4.712042,50.0,2.0 Two-way symmetric,2,1.91,52.356021,104.712042,4.712042,50.0,2.0 Two-way asymmetric,1,1.8,55.555556,103.174603,3.174603,53.846154,1.857143 Two-way asymmetric,2,2.1,47.619048,103.174603,3.174603,46.153846,2.166667 Three-way example,1,2.2,45.454545,107.124375,7.124375,42.431562,2.356736 Three-way example,2,3.4,29.411765,107.124375,7.124375,27.455717,3.642229 Three-way example,3,3.1,32.258065,107.124375,7.124375,30.112721,3.320856 Tighter two-way,1,1.95,51.282051,102.564103,2.564103,50.0,2.0 Tighter two-way,2,1.95,51.282051,102.564103,2.564103,50.0,2.0