you and I can't, but mms CAN and DO.

Look at EDIG LII:

Symbol: EDIG

L2 Summary

Bid Level #MM's Size Ask Level #MM's Size 0.1300 3 15000 0.1400 1 5000 0.1200 1 5000 0.1500 3 18600 0.1100 2 10000 0.1570 1 5000 0.1050 2 10000 0.1600 1 5000

L2 Quote: MM on Bid : 23

MM on Ask : 23

MM ID Bid Size Time SBSH 0.1300 5000 14:03:10 ETRD 0.1300 5000 15:38:04 NITE 0.1300 5000 15:11:58 BEST 0.1200 5000 07:56:46 CKCC 0.1100 5000 10:06:48 UBSS 0.1100 5000 12:51:43 VERT 0.1050 5000 07:30:04 PERT 0.1050 5000 14:03:55 ABLE 0.1000 5000 07:51:37 HILL 0.1000 5000 07:30:04 SALI 0.1000 5000 07:30:04 DOMS 0.1000 5000 07:30:04 FRAN 0.1000 5000 07:30:04 MM ID Ask Size Time MURF 0.0000 -1 07:30:04 SBSH 0.1400 5000 14:03:10 ETRD 0.1500 5000 15:38:04 NITE 0.1500 5000 15:11:58 ARCA 0.1500 8600 12:33:57 ABLE 0.1570 5000 07:51:37 CKCC 0.1600 5000 10:06:48 UBSS 0.1800 5000 12:51:43 VERT 0.1800 5000 07:30:04 HDSN 0.1850 5000 07:30:04 BEST 0.1900 5000 07:56:46 HILL 0.1900 5000 07:30:04 SALI 0.2000 5000 07:30:04

What do you suppose that -1 at .0000 by MURF is on the ask?

Here's how PTSC "closed" today:

Symbol: PTSC

L2 Summary

Bid Level #MM's Size Ask Level #MM's Size 0.7950 1 2500 0.8000 1 2500 0.7800 2 5000 0.8050 1 2500 0.7750 1 2500 0.8100 2 5000 0.7700 3 7500 0.8150 2 5000

L2 Quote: MM on Bid : 34

MM on Ask : 34

MM ID Bid Size Time SBSH 0.7950 2500 16:00:02 NITE 0.7800 2500 15:58:21 PERT 0.7800 2500 16:00:01 FRAN 0.7750 2500 15:58:20 ETRD 0.7700 2500 15:58:17 HILL 0.7700 2500 15:46:15 BEST 0.7700 2500 10:04:52 LABS 0.7600 2500 15:53:34 NIII 0.7600 2500 14:54:19 SALI 0.7560 2500 15:19:46 ABLE 0.7550 2500 15:39:10 BRGE 0.7350 2500 13:52:31 HDSN 0.7300 2500 15:39:15 MM ID Ask Size Time EDGX 0.0000 2500 10:03:04 ARCA 0.0000 20000 15:38:02 AYME 0.0000 500 12:16:30 ETRD 0.8000 2500 15:58:17 SBSH 0.8050 2500 16:00:02 NITE 0.8100 2500 15:58:21 HILL 0.8100 2500 15:46:15 LABS 0.8150 2500 15:53:34 MAXM 0.8150 2500 15:41:42 ABLE 0.8200 2500 15:39:10 HDSN 0.8200 2500 15:39:15 UBSS 0.8200 2500 15:54:31 SALI 0.8290 2500 15:19:46

My guess is that offering "0" at the ask means they are trying to buy back shares sold short.... they want to cover for 'nothing'.

What do these -1s and 0s mean???

http://www.allstocks.com/html/free_l...