BTC may reach all time high or even higher, but for sure a correction wave would happen.
By that time one of the possibility to play against BTC, would be to open long ETHBTC (Ethereum cryptocurrency is now underperforming in my opinion).
For me ETHEREUM is BTC-2.0 and I thing that in the longer run, Ethereum will overpass BTC in terms of applicability (this can be even a 10-year-period).