Representativeness bias makes a few wins look like proof. What Tversky and Kahneman found in 1971, and how many trades it takes to judge a system.
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Cognitive dissonance is the discomfort when new information contradicts a position you hold. It keeps traders in losing trades long after they should exit.
Seasonality analysis uses statistics to find recurring monthly patterns in markets. See how investors use it to time portfolio building and rebalancing.
Chart reading is not only for traders. What long-term trend following does in a bear market, what it costs in false exits, and the STI 2003 to 2009 case.
Indicators are maths on the same five numbers as your chart. Why using them as buy and sell signals traps beginners, and how to use them well instead.