I do not know either. If need quick money sell at 0.0002 otherwise set between 0.0004 and 0.0030 I guess. Any one in this board has any suggestion? Symbol: PCLO L2 Summary Bid Level #MM's Size Ask Level #MM's Size 0.0001 6 400 0.0002 7 550 0.0000 0 0 0.0003 2 100 0.0000 0 0 0.0004 1 50 0.0000 0 0 0.0030 1 50 L2 Quote: MM on Bid : 6 MM on Ask : 11 MM ID Bid Size Time HDSN 0.0001 50 07:34:49 SBSH 0.0001 50 07:34:50 NITE 0.0001 50 07:34:50 SSGI 0.0001 100 07:34:50 VERT 0.0001 50 07:34:50 HILL 0.0001 100 07:34:50 MM ID Ask Size Time HDSN 0.0002 50 07:34:49 DOMS 0.0002 50 07:34:49 ETRD 0.0002 50 07:34:49 SBSH 0.0002 50 07:34:50 NITE 0.0002 50 07:34:50 SSGI 0.0002 250 07:34:50 VERT 0.0002 50 07:34:50 HILL 0.0003 50 07:34:50 VFIN 0.0003 50 07:34:50 JEFF 0.0004 50 07:34:50 ABLE 0.0030 50 07:34:49