Possible outcomes if Bitcoin turns to be stable
- Look for some alternatives for investment
- The interest over bitcoin will reduce
- Real-time usage on stores will increase
We could say Bitcoin will be used more as digital cash than a store of value once it becomes stable in Fiat terms. But that's very unlikely to happen because BTC's supply is finite. Besides, the pioneer cryptocurrency is traded on the open market. Centralized exchanges are not the only ones in the game, so this gives us wild fluctuations in price over time.
I think price volatility is not a bug, but a feature of Bitcoin itself. There are already stablecoins meant to bring the stability of traditional Fiat currencies (mainly the USD) to the Blockchain anyways. If people want to avoid volatility, they would simply convert BTC to a stablecoin of their choice for complete peace of mind. It's as simple as that. Bitcoin's been proven to be resilient at times, so it's very likely it'll be with us for generations. Just my thoughts