One can buy a membership here for l2 which shows otc trades for 30 bucks a month, I think they still offer a free month to try it, there is probably an ad somewhere on your screen for it.
Buys vs sells: all this really means is instead of the stock trading at the ask it traded at the bid. As an example if the bid is .0011 and the ask is .0013 and the trade occurs at .0011 it is considered a sell. If the trade occurs at .0013 it is considered a buy.
If you click on the trades link at the top of the screen for the stock in question it will show you trades vs sells, those in black/other imply it is unsure whether it was a sell or buy.
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