ICICI Bank is at very Critical Levels of 649, Call Unwinding has been observed on Friday (25/06) at 630,640 & 650 (refer Option Chain on NSE), however, still the Call writers are available in big quantities from 630-660. f these Call writers exit, the stock will move toward 700 soon. Stock has made Inverse head and shoulder on the chart and will retest, but, enter into trade only of Call writers close their position from 630-660. So keep an eye on Option Chain of ICICI Bank next week.