# 盈亏同源

About Profit and Loss Having the Same Origin
When I first entered the market, everyone was talking about profit and loss having the same origin.
Back then, I took it as nothing more than an old trading adage you hear once and move on from—understanding the words literally, but not the deeper meaning, and certainly not making it part of my own understanding.
Later, day after day, I held positions and watched the charts, experiencing countless winning trades where I cashed out, and also enduring countless losses that left me trapped.
The more trades I made, the longer I spent walking det