Optimal trading frequency for active asset management: Evidence from technical trading rules

The investment horizon or expected trading frequency is an important factor in investment decision making, but there is little literature in this field. The primary motivation for this paper is to find the optimal trading frequency for different assets in the context of active asset management by applying technical trading rules, the most widely used forecasting technique in financial markets. In addition to the simple moving average crossover system, two volatility filters are also applied, where a different trading strategy is proposed when market volatility is high. A model switch strategy is also introduced, where signals from different technical rules are adopted at different levels of market volatility. The results show that the addition of the two volatility filters and the introduction of a model switch strategy add value to the model's performance in terms of annualised return, Sharpe ratio and maximum drawdown. Significant improvement is found at both the single asset and portfolio levels. Although the results for the optimal trading frequencies differ for different assets, similar results have been achieved between the two stock indexes S&P500 and STOXX50 and between FX currency rates. In the case of stock indexes, the optimal trading frequency is about two to four trades per year, while for the FX currency rates, it is about ten to 20 trades per year.