Ppl over there in main thread calculated that the profit from selling 60ph of chips, retaining 1/3 for gen4, is about 0.0676 btc/share. If paid weekly from 30th March (12x), that would be 0.0056/share per week.
https://bitcointalk.org/index.php?topic=99497.msg7157011#msg7157011

If using the 33% yield we were used to base the share price on havelock, that would put shares at 0.87.