A share swap would make it difficult to figure fair value , would it not ? A competing bid may help define a fair price in that event .

A lot of future value could be priced into TSLA at the expense of present value for ZEN . Your 10 to one may suit some one who would like a buy and hold but for a take the $ and run trader no way , Zen undervalued .

Unless you can see away around this ?

Think you are right though the fit with these 2 is just too nice to miss .