Let's say there is a coin listed on pancakeswap and not listed elsewhere. Users keep on sell and purchase the coin..
So i am curious to know; how does the price go UP & DOWN because now the coin is on DEX only...
on CEX the price goes UP & DOWN; totally depends upon demand & supply... but how this thing work on DEX?
Since Pancakeswap is an AMM kind of DEX you can check this YouTube video for a simple explanation on how it works:
https://youtu.be/r0UmEy9i6wQ. If you do a slight research you'll be able to grasp how it was being possible by the use of smart contracts, all of it are possible because of that.