Many factors that shiba will be difficult to increase in the future, the main factor is that the coin is still standing on another blockchain and has no utility for the chances of reaching increasing...
Shiba developers are already working on their own blockchain, which should bear the name Shizarium, but they do not name the exact launch date. In addition, one of the developers of Shiba Shytoshi Kusama announced the creation of the SHI stablecoin, which is scheduled to launch at the end of this year. So we see that the work on improving Shiba Inu does not stop.