Barring a universe-wide inflations, one would reckon the Coaxium fuel is still just as valuable and rare in Star Wars Resistance, especially while tensions mount between Rebel forces and The First Order.
In Solo: A Star Wars Story, the Coaxium hyper fuel plays a big part in the overall origin story.
Han attempts to use a vial of it to negotiate his escape at the start of the film, and it’s the exact substance that lands his team on the suicide mission that dominates the bulk of the film.