There are plenty of strategies available online, as well as in various trading books and in articles. I do not want to investigate all of them, but we can have a look at some selected ones. Here we will focus on strategies that are relatively easy to backtest. Some of these strategies do not lead to very profitable results but still we learn a lot when looking at them.
Here are the results of backtesting:
(2) RSI strategy
(3) MACD strategy