Hello, I have noticed the following: 1. Last summer and to some extent last fall, the Dow emini had great volume and great range and many 100 point plus move days. 2. However, in January and to some extent febuary, the range and volume was awful intraday thus creating weird false moves and choppiness that would wreck many systems. 3. However since Spring, suddenly the volume and range have improved thus making YM great and tradable again. Why did this cycle occur? Thanks