Super chart 1 and 3 months period.

Hello, I noticed the following and wondering if I missed something. I am quite new at this staring at charts so it would be great if somebody could help me out.

I just looked at the super chart for CBA (au).(20 April 09)
1 month period the way I read it shows a buy (red collums above the zero line),
and the 3 month period I see as a sell (red collums below the zero line).

Isn't the last month in the 3 month period supposed to be the same as the graph in the 1 month period except a little less detaild.

Thanks forrest.