You will hear it towards the end of the book. We obviously will not know for sure. 70% strike rate is virtually impossible.
I'd become a trillionaire and share it only with my children. Even then, I'd have money into so many different areas of the economy that even if my system somehow stopped working, I have passive income coming in regardless.
I would create a riddle to the path to my success- much like Ray Dalio's Principles. I would never just give away my edge~it's based on the student of the market's resolve to be a trader to study all he can to find it, going through all the up and down to one day get to the holy land of consistency.
All holy grails are personalised. It is not transferrable. At the hand of the owner, it is priceless. At the hand of the foreigner, it is worthless. ------------
If someone is too old to trade a holy grail,then it is not a holy grail. If someone makes 50% a year by watching his orders for every minute for everyday, it is not a holy grail.
That is not a holy grail. What you described is something like a knife. The knife is more useful in the hand of a more skillful person. A holy grail is like a nuclear weapon,whoever has it will have huge power.
But that is not what you said. You mentioned piggy backing, then brought up other side of trading as example. I assume the piggy backing does happen, but do you have evidence that a normal brokerage does this?