stable coin

https://uk.reuters.com/article/eu-cryptoassets/eu-to-introduce-crypto-assets-regime-by-2024-eu-documents-say-idUKL8N2GE4V6 --- quote LONDON (Reuters) - The European Union will introduce new rules within four years to make cross-border payments quicker and cheaper through the use of blockchain...

I would like to keep some of my money in a stable crypto coin, so I mean coin where I am next sure it does not have the major fluctuations over the next 1-2 years. Does it all exist or are they all equally uncertain?

I have reading around the forum that the crypto coin Tether is the most stable coin around the crypto market. I also read it in a few books about using crypto as alternative currency. Now if I'm looking at Tether, Tether (USDT) price, charts, market cap, and other metrics | CoinMarketCap and...