If I happened to have two pies with the same stock in, but one pie was overweight and one was underweight (probably only going to be the case if you edit the weighting on one pie - e.g. it was doing well so you raise its weighting and now will be overweight in the unchanged pie but underweight in the changed pie), how would this be handled? Would it transfer the portion that is overweight into the underweight slice? Would this be automatic? On rebalance? On deposit? Not happen at all so I have to sell them from the overweight and buy into the underweight?
What about in a pie in a pie scenario, where the included pie holds a stock as a slice but the outer pie also holds the stock and maybe even another pie not in the pieception also holds the stock?
Going further what if multiple pies inside a pie plus the pie they are in, plus a separate pie all have the same stock but you change the weightings in some so some are overweight and some are underweight?