You are basically ASSUMING that there will be a market for non-XT coins after the fork.  You are assuming that there won't be an immediate Flash Crash of the losing chain.  

I mean, in that scenario, you are simply gambling.  Not a smart one either it seems, because if your Bitcoin is worth $200 prefork, and non-XT chain flash crashes to $10 - I hardly see the value in taking $200 Bitcoin, that will probably start soaring in the XT Chain once the drama is over, and trying to "Double" your Bitcoin by moving it to a Chain that has a $10 value - and you double it $10 x2 to $20.  Now that is investment genius.