you're just seeing the MMs go offline and some remain online longer.. Not sure why you would be seeing transactions unless it's just the system catching up with the day.. but that seems odd i believe means nothing really...
I only see 3 form-t's. 2 @ .012 and the first at .0124. They stopped right before 4:02. Who knows though, if your L2 is correct .09 trades would most likely be a good signal.
Can you post a snap shot of your L2 ? I did a search on after hours trades on my L2 E*Trade and cannot find any .02 or .09 trades... I must be missing those....
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