80/20 rule of trading

80% of traders lose money, and 20% of the 20% of traders make money.

For traders with stable profits, 80% of their trades have small losses (or small profits), and 20% of their trades have big profits.

For traders with stable losses, 80% of their trades have small profits (or small losses), and 20% of their trades have big losses.

80% of the market is volatile, 20% of the market is trending, and 20% of the trending market is unilateral and smooth.

80% of traders think they can understand 80% of the market.

20% of traders think they can understand 20% of the market.