Anyone who trades equity markets on a regular basis knows all too well the feeling of regret. There’s really no such thing as a contented trader, because if the market is going against us, we wish we weren’t in position, and if the market is going for us, we wish we were more aggressively-sized.
Years ago, I even set up a page called Woulda Shoulda Coulda which lets anyone punch in a symbol, date, and purchase amount just to see what the value of any given security would be in the present day. Try it, and I guarantee you’ll want to tear your hair out.
I was reminded of the topic of regret when I stumbled upon this prominent post over in /wsb:



