There are more than 1000 altcoins in the market. What do you think for the most stable altcoins?
All the top 50 altcoins are stable altcoins. Some are like Ethereum, IOTA, Ripple, Dash, Monero, Stellar Lumens, NEO, LISK, Stratis, Waves etc.,
Hmm, top 50 it's too much, dude, or you think something like Electroneum or other trash is a stable altcoins? I don't think so, but top 10 - yes. Ripple, ETH, Cash - of course the most stable and will also can add Waves, Sratis and BitShares to this list.