The type of indicator a trader uses to develop a strategy depends on what type of strategy the individual plans on building. This relates to trading style and risk tolerance. A trader who seeks long-term moves with large profits might focus on a trend-following strategy, and, therefore, utilize a trend-following indicator such as a moving average. A trader interested in small moves with frequent small gains might be more interested in a strategy based on volatility. Again, different types of indicators may be used for confirmation.
Traders do have the option to purchase “black box” trading systems, which are commercially available proprietary strategies. An advantage to purchasing these black box systems is that all of the research and backtesting has theoretically been done for the trader; the disadvantage is that the user is “flying blind” since the methodology is not usually disclosed, and often the user is unable to make any customizations to reflect their trading style.
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