There's a guy, PlanB (with the bitcoin B) who created a formula for estimtaing Bitcoin's price based on its emission, by correlating it with the price of other assets (mostly gold), called stock to flow. Here's a chart for it:
https://www.lookintobitcoin.com/charts/stock-to-flow-model/As a TL;DR, the price should stabilize around $100k after the current bullrun.