The first realm of trading:
Buy when you want to buy, sell when you want to sell
The second realm of trading:
Buy when you are bullish, sell when you are bearish
The third realm of trading:
Buy when you are bullish, sell when you are bearish
The fourth realm of trading:
Buy when you are bullish, always buy, and sell when you are bearish
The fifth realm of trading:
Buy when you are bullish, don’t buy, only buy when there is a contradiction
Buy when you are bearish, don’t sell, only sell when there is a contradiction