Also my thoughts, that is why I visited our good 'ol Monero thread.
But on second thought, I think this major upgrade is already priced-in during the 2017 run-up.
IMHO, it is more to the downside in case of "major issue/s" during the hard fork.
"In a bear market, any good news doesn't push the price up.
In a bull market, any bad news doesn't pull the price down."