This paper demonstrates that crude estimators can correctly identify statistically significant technical patterns in major index data. The introduction of intra-day prices significantly improves a crude estimators’ ability to identify technical barriers. Double tops are associated with...

By applying SEMIFAR models (Beran, 1999), we examine 'long memory' in the volatility of worldwide stock market indices. Our analysis yields strong evidence of 'long memory' in stock market volatility, either in terms of stochastic long-range dependence or in form of deterministic trends. In some...