What happened in the litecoin halving last August should be a warning. There was a pump to $150 up to the halving, and then the price collapsed to $50.
I don't believe any alt is comparable. They have little to no institutional or commercial buying. There's no Grayscale, Cash app or OTC markets worth mentioning for any of them other than ETH and I'll bet that's a ghost town most of the time these days.
The first places big arse buyers will look to is miners as they have a constant need to meet costs and investment in a way a holder does not. If they have half the good shit they used to every ten minutes then that's going to have an effect of some sort and an effect that will continue.
Resorting to having to prise it out of an existing owner's hands is a rather trickier and much less dependable option.
Hitting a 1.8% inflation rate just as the big league trading options and awareness heats up means that this halving, or possibly the next one, will be the one that pushed Bitcoin on to the world stage for good. It'll be seen as the most significant of all once their relevance has faded alongside the block reward.