People say that when you sell a stock its price goes down, and when you buy it the price goes up. This is clear, qualitatively, but I never really understood how much the price changes. Could you clarify in simple mathematical terms with a numerical example?
[Sept 13, 2022 update] Finlay Morrison kindly provided some insight but I still don't grasp the mechanism. Thanks
[Sept 26, 2022 Update] I found the answer at the link below. it is a series of three Youtube videos.Thank you https://www.youtube.com/watch?v=6gDMNIU4LOk&list=PLFdGt__jX7eNh5sQUkUXG8yLeNlRna1fI&index=1&ab_channel=CriticalTrading