Can you explain what these posts are about?

I am using the Fiat stock market which has unlimited dollars to buy finite sats to give to stackers who post in the stacker stocks territory

You’re holding yield stocks for other stackers and distributing the rewards?

Nope using my own fiat. I take 100% of the risk and the stackers get a percentage of the rewards! 20% or sometimes 100%

How do you keep track of who has invested and how much?

I only keep track of what I invest. All stackers have to do is post in the territory or post in SN as I donate sats to the daily rewards pool