Improvement 0 0.01 0.02 0.03 0.04 0.05 >.05, <=.10 >.10, <=.20 >.20, <=.30 >.30,  <=.40 >.40,  <=.50 >.50 Average  Average  Average  Percent of  Percent of  Total Contracts  Number of  order  contracts  Traded Participants initiator  initiator  receives receives Spread Order>=50Ctx !@NBBO Non‐Cust 21 .