Again this is a speculative market. Anything can happen at any time. A good example of stable price was the month of October-November price of bitcoin. It was extremely stable at daily change of only <1%. Thats how stable it became in several years till date. Overall crypto has the attribute of being "very volatile" but this is an over exaggeration and one could say the same for gold or other commodities as well.

Instability in price will not stop till the entire economic reserve is converted to bitcoins and that is a very longshot concept.