is this algorithmic trading - zero for zero, page-2

Doesn't anyone know what the answer to the question I asked this morning

I am sure someone must know

How can you trade volume of zero for value of zero and be a cross trade



Can anyone explain to me what this means and is it algorithmic trading

Here are the total trades of zero volume for zero dollars tuat were broker traded today




Below is the example

10:50:51 AM 0.000 0 0.00 XT

10:53:28 AM 0.000 0 0.00 XT

10:54:51 AM 0.000 0 0.00 XT

10:58:21 AM 0.000 0 0.00 XT

10:58:22 AM 0.000 0 0.00 XT

10:58:41 AM 0.000 0 0.00 XT

11:12:06 AM 0.000 0 0.00 XT

11:16:52 AM 0.000 0 0.00 XT

11:16:53 AM 0.000 0 0.00 XT

11:17:27 AM 0.000 0 0.00 XT

11:35:07 AM 0.000 0 0.00 XT

11:36:37 AM 0.000 0 0.00 XT

11:36:37 AM 0.000 0 0.00 XT

11:36:38 AM 0.000 0 0.00 XT

11:39:12 AM 0.000 0 0.00 XT

11:40:22 AM 0.000 0 0.00 XT

11:53:22 AM 0.000 0 0.00 XT

11:53:27 AM 0.000 0 0.00 XT

11:55:57 AM 0.000 0 0.00 XT

11:56:52 AM 0.000 0 0.00 XT

12:01:37 PM 0.000 0 0.00 XT

12:01:42 PM 0.000 0 0.00 XT

12:06:42 PM 0.000 0 0.00 XT

12:12:37 PM 0.000 0 0.00 XT

12:13:57 PM 0.000 0 0.00 XT

12:16:37 PM 0.000 0 0.00 XT

12:17:12 PM 0.000 0 0.00 XT

12:22:52 PM 0.000 0 0.00 XT

12:29:07 PM 0.000 0 0.00 XT

12:29:07 PM 0.000 0 0.00 XT

12:29:09 PM 0.000 0 0.00 XT

12:29:58 PM 0.000 0 0.00 XT

12:33:28 PM 0.000 0 0.00 XT

12:34:22 PM 0.000 0 0.00 XT

12:57:58 PM 0.000 0 0.00 XT

01:44:43 PM 0.000 0 0.00 XT

01:46:38 PM 0.000 0 0.00 XT

01:54:08 PM 0.000 0 0.00 XT

02:08:14 PM 0.000 0 0.00 XT

02:09:39 PM 0.000 0 0.00 XT

02:39:25 PM 0.000 0 0.00 XT

02:39:30 PM 0.000 0 0.00 XT

02:50:10 PM 0.000 0 0.00 XT

02:53:24 PM 0.000 0 0.00 XT

02:58:31 PM 0.000 0 0.00 XT

03:06:56 PM 0.000 0 0.00 XT

03:21:00 PM 0.000 0 0.00 XT

03:21:17 PM 0.000 0 0.00 XT

03:30:41 PM 0.000 0 0.00 XT

04:21:01 PM 0.000 0 0.00 XT

04:24:41 PM 0.000 0 0.00 XT

04:28:40 PM 0.000 0 0.00 XT












Note that at 11:36:37 there were two trades for zero volume and zero dollars

Note that at 12:29:07 there were two trades for zero volume and zero dollars