Funny enough, yes, self taught. Read a lot of books, tried out ideas, lost some money, made some money, reflected on what I was doing right and wrong, got cheated a few times, learnt some lessons that way, added to my knowledge of economics, mathematics, statistics, psychology, re-read some books, read articles on the web (I started trading before the web came), kept on trying again and again, refine, re-try, learn. These days, there are many blogs and forums where people discuss trading (like this one) where one can pick up ideas. Not because somebody is offering them out of altruism, but perhaps they have a need to discuss something, an urge for community, often to brag. If one has the necessary background, one can pick up ideas. But it means nothing unless one can fit those ideas into one's own trading methodology, which requires thinking and reflection.
I have tried a few trading systems in my time, despite my reservations. In every case, they have not been worth the money spent. Even taking classes is only the first step - to really learn you have to apply the lessons in your own life. The only real teacher is experience and the lessons of trading your own money.
It seems the fabric of my life experience is of a different weave than the fabric of your life experience. Good luck to each of us!