thnx arjunah. here's a chart with those cycles labeled. where would you place the 5 wk cycle low between the aug 20wk nest of lows and the nov 10wk nest of lows? have you labeled any 2.5 wk lows subdividing your 5 wk lows? thnx again. <img src=http://img66.imageshack.us/img66/9482/sphasingym3.png>