I roi'd my s9 shares already.  How did I do that?

The day of this announcement. I put .47btc into my wallet  I grabbed 9750 shares of s7  at .00004821

I waited a couple of days and used earnings to push me to 10000 shares of s7.

and 10 shares of s9  I listed the 10000 shares of s7 at 0.00005400  sold it and was at about .538 in my wallet  from .47  and 10 shares of s9.

I sent the .47 back to my own wallet  and had .068 btc  I grabbed 390 shares of s9


So I have 400 free gh of s9.

I will keep rolling it over see what it grows to.